Valve Clearance Specification








Using the feeler gauge, measure the clearance on the lobes you are starting with. Call (865) 225-9164 for more information. Although a tight valve will generally get loose as the bike warms up running them with too little clearance will shorten the life of exhaust valves in the long run. Remove the valve cover, and rotate the crankshaft until the camshaft is not lifting the exhaust or the intake valve. If the guides are worn, you'll have increased oil consumption and decreased cooling of the valves. Kawasaki small engine intake and exhaust valve clearances used on a variety of outdoor power equipment applications. Jan 21, 2011 · What is valve clearance (gap) setting for the exhaust valve and what is the clearance for the intake valve ? I have Briggs & Stratton 18-1/2 hp, OHV, INTEK plus, engine, number 31C707-0230-E1 in a Cra … read more. So, VW officially changed to the. Call us at 865. Hi guys need a definative answer for this ones what the specs on the following : Euro K24a3 CL9 6 speed manual - Exhaust valves clearance measurements= ?? mm - Intake Valves clearance measurements= ?? mm thanks guys. 6 engine specs, bolt torques and manuals, including the disassembly assembly manual, specifications manual. compression one cyl. Honeywell VRN2E1SX8100 Pressure Independent Control Valve & Actuator Assembly 1. Ca cujate the guide tracting the clearance Is the largest Clearance limit 008 mm 0. 39) an increase of around 0. Mar 28, 2008 · Soooo, I was camping last weekend in Clear Creek and had trouble starting my WR both mornings. May 10, 2018 · The valve clearance for this engine is a shim and bucket design, and it is relatively easy to adjust the clearance without removing the camshaft. Valve lash is the mechanical clearance in the valve train between camshaft and valve in an internal combustion engine. I have the 2009/2010 model Ninja 250R UK Spec which is the fuel injected version. Valve lash is usually about 10/1,000 of an inch depending on the engine specifications. Install spark plug; perform crankcase pressure and vacuum test. Maintenance Schedule. INSPECT VALVE CLEARANCE (a) Check only those valves indicated in the illustration. Guaranteed or your money. Install the valve tappet selected through the procedure 9, and put the camshaft in position. What's the correct spark plug gap? How tight should that nut be? What's the firing order again? Or are you simply looking for that bit of technical information that you may be lacking?. earlier this week i adjusted alan, scorpio6, valves. Specification. This booklet prepared for Automotive Engines 250 at. 21mm, you should NOT be able to insert the 0. At 1/4 inch past TDC the clearnaces all measured 0. Many would think that after reading reports such as these that checking the valve clearance would be a waste of time. Valve clearance shims, manufactured by computer-controlled technology. What's the correct spark plug gap? How tight should that nut be? What's the firing order again? Or are you simply looking for that bit of technical information that you may be lacking?. The intake valve clearance should be 0. Intake clearance = 0. Adjust the other valve clearance as required. They will be used later to determine the required replacement adjusting shim. The connecting rod bearings were aluminum on steel. -- Problem is. 013 in) Thickness of new valve lifter (B) can be identified by stamp mark (A) on the reverse side (inside the cylinder). C2 = Standard valve clearance: Intake : 0. Valves that are too loose may cause undue wear on cam lobes, adjusters, and may even mushroom valve stems. Incorrect valve clearance is a very common problem with this engine. Diagnosing Bad Engine Mounts. If the valve clearance is incorrect, adjust it. I was looking at the Subaru maintenance schedule listed on cars101. McDonnell & Miller 847C MAKEUP FEEDER with SPEC. Ca cujate the guide tracting the clearance Is the largest Clearance limit 008 mm 0. So if you find one that's loose, chances are you'll find it's loose if it ever needs be adjusted again. Using a feeler gauge, measure the clearance between the valve lifter and camshaft. Piston to Valve - AFR assumes no responsibility for damage if the end user builds an engine without properly verifying he has enough piston to valve clearance (depth and radial clearance both checked). The purpose of these guidelines is to augment and/or clarify those guidelines outlined in the January 1981 Cross Connection Control manual. Adjusting 1050 Valve Clearances – Part 1 - Preparation to Part 5 Notes Adjusting 1050 Valve Clearances – Part 1 For anyone considering doing this job here are details of work I did recently to check and adjust valve clearances on my 2006 Sprint ST 1050 (22,000+ miles). Note: Hazardous driving may cause serious injury or vehicle damage. Used from 1961 to 1968 in the 544, 120, 1800 and 140 Series; Different design from its B16 predecessor, but very similar to the later B20 and most parts are interchangeable. TECH SPEC: 1973-1978 clearances from 0. John Deere 4020 tractor engine. 3 L Turbo Engine Specifications. Adjust Intake valves for 0. What's the correct spark plug gap? How tight should that nut be? What's the firing order again? Or are you simply looking for that bit of technical information that you may be lacking?. INSPECT VALVE CLEARANCE (a) Check only the valves indicated. OK, so you used the video above and found some valves out of specification? Below, the full length video is available for purchase. HoldenGemini. its had 1 valve adjustment in those 54k. 13 cold, after a few miles about 100 or so , the tikking was back, i noticed that the NR 6 valve had a lot of clearance, adjusted them again, and about another 100 miles the same problem, this went one a few times , till i pulled the nut for. 020-inch spec using the exhaust. 3 – Valve guide projection from cylinder head pper s rface mm. (1) Using a feeler gauge, measure the clearance between the valve lifter and camshaft. I will always run my exhaust valves loser end of spec. I replaced most of the opening rockers and found the valves are still in spec according to some numbers, all were between. Set valve clearance to 0. 2003 – 2007 Honda Accord. JIST:Need valve clearance level for activa P. Setting the valves on an XS650. 20 mm, and the exhaust clearance should be. cat c13 injector and valve adjustment specifications. Jun 10, 2014 · How-To Video – Valve Clearance Adjustment. Read Before Using Clearances: All the following clearances are correct to the best of our collective knowledge, but we assume no responsibility for their use. (SOLVED) Author: j0n24, Posted: Thu Feb 26, 2009 8:28 am I'm planing on checking/adjusting the valve clearances in my '07 XV250 this weekend and I just wanted to clear a few things up. 4) To check remaining valves, rotate crankshaft 360 degrees (one full revolution) until cylinder No. Piston to Valve - AFR assumes no responsibility for damage if the end user builds an engine without properly verifying he has enough piston to valve clearance (depth and radial clearance both checked). Using a feeler gauge, measure the clearance be-tween the valve lifter and camshaft. distributor. 311" Valve Length 5. As the valve clearances decrease, the cooling time (valve on seat) is DEcreased. How to Check Valve Clearances on a Honda CRF250R. 002" Con Rod Bearings 0. Specifications:Valve guide snap ringFits Club Car gas 1992-up FE290,FE350Replaces OEM Number(s): 1016560. When doing small engine repair and maintenance, you may need to find specific parts and specifications for your engine. I replaced most of the opening rockers and found the valves are still in spec according to some numbers, all were between. 004" on mine (1970), and it works fine -- but you have a different engine model to mine (lots of changes to the '71 engine). Titanium valves are coated, do not grind valves because it removes the protective coating. i would assume that i could get away with running them a tad loose using teh pop can method for a guage, btu would prefer to knwo spec on it ( pop can is. ) Exhaust 0. 20mm in These are for motors with STOCK cams. Valve clearance should be as follows : Intake. This operation adjusts the overall clearance in the valve actuation system: typically 20 thousandths of an inch (0. Using a feeler gauge, measure the clearance between the valve adjuster and the camshaft. 006" and I found both to be tight at. Set valve clearance to 0. It seems that the common theme is that almost everyone's exhaust valves have been out of specification, even well before the 24,000 miles service interval. Variations may exist for non automotive versions of the 331 specifically the industrial, truck, and marine versions. Turn Adjustment screw until a feeler guage slides back and forth with a slight drag. 152 engine only numbers I can find on left hand side are top of block by head CL185148 C below that the word MON O CYL below that A 19 1 about middle of block the number C 37111280 and on the bottom GKN1523 what is the year and rebuild kits that would work any info would be helpful. Don't get confused by the mm to inch. Start and warm the engine up enough so that it idles good. oil capacity. When doing small engine repair and maintenance, you may need to find specific parts and specifications for your engine. This involves removing the valve cover and using feeler gauges to measure the gap when the piston is at top dead center. If the valve is at the spec of 0. Its also good practice to adjust valves during service that requires valve cover removal. The exhaust is a different story. I hear tolerable knock in my engine, I do not know if it is fuel knock or I want to check the clearance of my intake and exhaust valve. Disconnect wiring harness as required. Install valve cover and new gasket. So when both the rockers are tight for say #4 then you set the valves on #1 then when both on #3 are tight then set both on #2. If the screws are worn, this will make your valve adjustment inaccurate. Second question is how to turn the engine over while watching the timing mark. When I sync my carbs. 0106 inch (0. Using a feeler gauge, measure the clearance between the valve lifter and camshaft. 015 across the board will work just fine. C = valve clearance specification, D = present shim size. Oct 01, 2012 · [A] Replacement shim thickness (The shim size you need to re-install to get the correct valve clearance) [B} Measured valve clearance (The measurement you got in Part 1 with your feeler gauges) [C] Recommended valve clearance (What your clearance is supposed to be) [D] Current shim thickness (The shim you just removed from motor) A=(. There is a special wrench, shown in Figure 6 , with a specified offset that makes the job easier. Although a tight valve will generally get loose as the bike warms up running them with too little clearance will shorten the life of exhaust valves in the long run. what is the spec?. Introduction and Quick Question - Valve Clearance Spec If this is your first visit to 3WHeeLeR WoRLD, please take a moment and look around. Call 814-942-9000 for more information. Titanium valves are coated, do not grind valves because it removes the protective coating. However, dismayed to realize I couldn't find the valve lash spec. ©2000-2019 - TractorData™. 22mm feeler. if the rebuilder ground the valves too much then they will tend to need more frequent readjusting of the valve clearance. The TT600's powerplant is one of a kind. I have the 2009/2010 model Ninja 250R UK Spec which is the fuel injected version. Guaranteed or your money. Technical Information (MGA 3) MGA 1500cc ENGINE REBUILD (1698cc SPECIFICATIONS) Last Modified - 2/26/00. These lobe designs have very short clearance ramps and cannot tolerate any increase in the recommended valve lash. 32" Stem Diameter. Recheck clearance when engine is warm. I read the FSM on how to check valve clearance with a feeler gauge. t = Valve lifter thickness to be replaced. common specifications for intek v-twin ohv engines model series bore stroke displacement 405777…………. Check the valve clearance by placing a feeler gauge between the valve head and the rocker arm. Anyway I got the cam cover off and check each valve at TDC for each cylinder. haynes manual and under the hood sticker only give warm specs. Show shut-off and check valves in the pump discharge in a horizontal position. I was looking at the Subaru maintenance schedule listed on cars101. Shims are the best and really easy to learn. Read Before Using Clearances: All the following clearances are correct to the best of our collective knowledge, but we assume no responsibility for their use. As far as 2V clearances, I talked to a dealer in 1997/8, and they said that the factory's "new" valve adjustments are retroactive to include all 2V desmo's. 0 Intake Valve Clearance At Cold (mm) 0. When the No. I have a dual cylinder Honda engine, with the reputation of being one of the most durable engines around. The valve angle is 21 degrees on the inlet side and 24 degrees on the outlet side. 006ths} and for the exhaust is 0. (1) Read tension immediately after belt is installed, before it stretches or seats in pulley grooves. i had just. 100 intake, 0. 1 for Backwater Valves • Pressure Rated to 43 psi (100 feet of head) @ 73°F Sample Engineering Specification All thermoplastic valves shall be Backwater type constructed from PVC Type I, ASTM D 1784 Cell Classification 12454. 006" and I found both to be tight at. the expansion of the head moves the rockers away from the valves, the steel valves will not expand as much as the aluminiun head will so the gap gets. The following is for original NEW Model A and B cams only Regrinds will have substantially different characteristics regardless of what they are called. Page 53: Inspection And Adjustment Of Valve Clearance 12) Inspection and Adjustment of Valve Clearance · Perform inspection and adjustment of valve clearances when engine is cold. Check with the cam manufacturer,but I think with a Kent 244 it. The exhaust valve will soon expand that amount and cause all manner of problems. Although a tight valve will generally get loose as the bike warms up running them with too little clearance will shorten the life of exhaust valves in the long run. If it is too little, the valves may not seat properly. 31 inches if equipped with the four-barrel carburetor. Don't get confused by the mm to inch. General Specifications for the 1966 Buick 300 and 340 Cubic Inch Engines The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. the noises from the valve train are faint, not loud but not. A single normally open, two position, two way, poppet style solenoid valve capable of stopping oil flow to the hydraulic system when actuated. The connecting rod bearings were aluminum on steel. Caterpillar C4. It just takes time and you need to write down all your clearances and shims #s on a chart or grid paper. The engine had four replaceable steel-backed (aluminum alloy on steel) babbitt crankshaft main bearings. Oct 01, 2012 · [A] Replacement shim thickness (The shim size you need to re-install to get the correct valve clearance) [B} Measured valve clearance (The measurement you got in Part 1 with your feeler gauges) [C] Recommended valve clearance (What your clearance is supposed to be) [D] Current shim thickness (The shim you just removed from motor) A=(. Adjusting valve clearances is a Land Rover servicing task for every 12000 miles. Good morning, New owner here. (Honda P/N: 12341‐RAA‐A00). Hi all, I bought a '79 CB750K a couple of weeks ago and have been looking at a couple of other forums. Tear your bike down until you've got the valve cover off your bike. 3 mm; for the exhaust valves - 0. 2011 Suzuki GSX650F 28,000miles, valve clearance spec (self. Mercury tune up specifications are the same as Ford specs shown above and below except as noted in red color. Sponsored Links g16 valve lash spec. 019" for the exhaust with the piston at TDC on the compression stroke. Cars Guide DIY 400,573 views. Model A & B Ford Garage Camshaft Specifications. 1799 for more information. C2 = Standard valve clearance: Intake : 0. If the valve is within spec, there should be a slight amount of drag/resistance. Iveco Cursor 13 Valve Guide Clearance Specifications pathria manual iveco engine manuals - yassir. VALVE CLEARANCE SPECIFICATION Intake and Exhaust Valves 0. Valve Intake Exhaust Seat Angle 45 Degrees 45 Degrees Seat Runout 0. You will need the following: Metric socket set, allen-wrench set, thickness gauges, ratchet, ratchet extension, penny, nickel, pliers, screw driver (Philips tip), 10mm open or boxed in wrench, and torque wrench (if you want to do it to specs). 21mm, you should NOT be able to insert the 0. See TORQUE SPECIFICATIONS. SST 09248-64011. [A] Replacement shim thickness (The shim size you need to re-install to get the correct valve clearance) [B} Measured valve clearance (The measurement you got in Part 1 with your feeler gauges) [C] Recommended valve clearance (What your clearance is supposed to be) [D] Current shim thickness (The shim you just removed from motor) A=(. 0015" Valve Lifter Clearance. Our conclusion: This engine was not likely experiencing accelerated wear due to the valve clearance yet. Shims are easy enough to replace. Piston to valve clearance can also become an issue. i had just. On a pushrod engine with a rocker shaft, the adjusting screw and locknut, or the self-locking adjusting nut, are at the pushrod end of each rocker. If the valve clearances are out of specification, adjust the valve clearances. Exhaust valves can burn if too tight, but its pretty rare on intakes so its a bit safer to go with tighter clearances. The valve shall be mounted directly to the hydraulic pump discharge port. Share This. what is the spec?. Turn the screw until you just barely feel drag on the feeler gauge. If you're using the 0. 070" (78mm). 0 Intake Valve Close At ABDC (°CA) 41. I am going to run the comp cams 224/230/581/588 cam. The clearances on mine were too tight. This is why exhaust ramps are typically higher than inlet ramps – to allow for more stem growth and still maintain some running clearance to ensure that the valves seat fully. The MOTORS MANUAL differs slightly on valve clearance specs. 16-Valve SOHC i-VTEC. I undid the 3 P. of each valve by inserting the guide and Saek and as Meásureihe valvóstem oil (3) inside diameier of Valve Ht plBces with an inside dial gauge. 05mm Valve shim is a 2. They weren't really TOO far out of spec, considering. If a closer clearance is. I have them highlighted with yellow paint for visibility. Loving it! Happy to find this forum, and thrilled to find a pdf of the service manual. 7th generation i. All valves shall have external Arrow Flow Indicator. The W2 series of engines was developed to offer a budget priced alternative between the inline two cylinder 18. full load, may become insufficient. I figured since I was in there, I would just make it right. I will always run my exhaust valves loser end of spec. Valve clearance specifications for your engine series are available by viewing our Engine Specifications Chart (pdf). Valves are actuated by the shim-less valve solid lifters/tappets (the adjustment requires replacement them by new). _____ Ted 2000 Green ZX12 sold The fast color!!. Piston to head clearance 0. I hear tolerable knock in my engine, I do not know if it is fuel knock or I want to check the clearance of my intake and exhaust valve. This especially important when your bike is new to make sure the valves are in spec and not headed for damage. 1 for Backwater Valves • Pressure Rated to 43 psi (100 feet of head) @ 73°F Sample Engineering Specification All thermoplastic valves shall be Backwater type constructed from PVC Type I, ASTM D 1784 Cell Classification 12454. It just takes time and you need to write down all your clearances and shims #s on a chart or grid paper. from the FSM can someone tell me the specs for COLD valve clearances for a 92 22re engine. Valve Adjustment Procedure GY6 150cc engine If your engine won't start, and you have checked all of the obvious things like fuel, spark, choke etc. If the correct gauge doesn’t fit, loosen the locknut and then back off the adjusting screw one quarter turn at a time until it fits. The current measurement is. and install the spark plugs. This makes calculating values much less painful and allows adopting a shim clearance strategy for all valves. 08mm out of spec. The point you are missing is the fact that is you leave the valves alone until the the recommended interval. Over 6,000 Automotive Torque Specs. 011 of an inch for the intake and. The next step down is the Japanese-market top-line Cruze and base-spec Aurio’s M15A 1. Supertech Performance offers high quality racing components, valves, pistons, spring and valve train engine components for the automotive industry. clean the mating surface of the valve cover, to prevent future oil leakage. Hey guys, can anyone tell me what the valve clearance is supposed to be on the 2007 1300? The paper work I have says 0. This is why exhaust ramps are typically higher than inlet ramps – to allow for more stem growth and still maintain some running clearance to ensure that the valves seat fully. haynes manual and under the hood sticker only give warm specs. 5" NPT 50GPM 2-Position Normally Open 120/240V The VRN2 two-way pressure independent control valves maintain constant flow of hot or chilled water with glycol solutions up to 50% in closed-loop heating, ventilating, and air conditioning (HVAC Division 23) systems regardless of head pressure fluctuations above the. Some motors had the shims on the top of the lifter. 682″ (from spring seat surface to top of valve guide) Roller lifter dia: 0. The hydrocarbon emissions were a little on the high side possibly indicating some valve guide wear (they hadn't been done), but apart from that it was fine. Record any valve clearance measurements that are out of specification. (2) If less than 40 pounds, readjust to 40-60 pounds. Oct 01, 2012 · [A] Replacement shim thickness (The shim size you need to re-install to get the correct valve clearance) [B} Measured valve clearance (The measurement you got in Part 1 with your feeler gauges) [C] Recommended valve clearance (What your clearance is supposed to be) [D] Current shim thickness (The shim you just removed from motor) A=(. Specifications (Cont’d) Cylinder head surface warpage Cylinder bore diameter STD Intake Exhaust Intake Exhaust Intake Exhaust STD Limit Limit Mark 1 Mark 2 Mark 3 STD O/S 0. Record the valve clearance measurements of those that are out of specification. Record the out–of specification valve clearance measurements. It will come up just after the valves close. If the clearance is not within specifications, loosen the locknut with the proper size wrench and turn the adjusting stud either in or out until the valve clearance is correct. H screws but didn't know whether it just pulled off or what. (As the valve and seat wear into each other, the clearance will be lessened. Replace the shims to bring the clearance into specification for all valves as necessary. 2 oz) Treats 10 gal. 008 exhaust and. Torque on the rocker arm nut is 60 inch lbs. The valve components can wear in two ways. com, the most complete and fastest growing online source for all things Mopar. Using a feeler gauge, measure the clearance between the valve lifter and camshaft. 04 525 sx valve clearance spec If this is your first visit, be sure to check out the FAQ by clicking the link above. Motors shall have at minimum 1. Valve guides support the valves and help keep them running cool. The fronts were all a tiny bit tight and the rear were all fine I wanted to make sure that the clearance spec was the same on the prairie as the v-force before it all goes back together. The model number sticker on the mower is: 11A-08MA029 When i go to the MTD website, the listing for that model says that the engine is: PowerMore 752Z1P61P0 123cc Trying to find what the valve clearances should be, so i can adjust them. 0TS engine? (From a 1990 Euro 75) Your help is greatly appreciated!. Remember as the valve face wears, they recede into the head and the valve clearances get smaller (less) So if you are measuring a clearance close to the minimum service limit,, consider adjusting them now. Install valve cover and new gasket. Valve clearance adjustment must be checked and adjusted, 1) at the time of periodic inspection, 2) when the valve mechanism is serviced, and 3) when the camshaft is disturbed by removing it for servicing. This meant that the actual valve clearance was somewhere in between 0. 150 Valve Lift Intake Exhaust. Feb 24, 2013 · How to rebuild front brake caliper - VW Audi Skoda Seat - New piston and seals (COMPLETE GUIDE) - Duration: 14:11. Motorbikespecs is a user updatable motorcycle specification database. This clearance must be tightly controlled. It doesn't cover the cam positions that well, but it shows you how to measure the clearances and remove the shims. If the valve is within spec, there should be a slight amount of drag/resistance. 318 Engine specifications Engine specs according to the 1979/82/84/85/87/89 CPD Factory Service Manuals. Valve clearance (Hot): Intake 0. 080" on the intake. There may have been later service bulletins with different recommendations, but the XS2 owners manual (available at www. The fronts were all a tiny bit tight and the rear were all fine I wanted to make sure that the clearance spec was the same on the prairie as the v-force before it all goes back together. Then I took off the valve covers, (ordered new gaskets online) and measured clearances with a nice metric set of feeler gauges. Disconnect wiring harness as required. The valve tolerance is. the ride in question is a f4i with 54k on the clock. Call us at 865. BTW too loose is noisy, doesn't open the valve as much as it should [again, not much] and can cause slightly more wear on the valve stem but, not as bad as running them too tight. 10 Exhaust 0. Since the intake valve is cooled by the incoming fresh intake charge, its temperature and clearance will remain more consistent over the entire engine operating spectrum. 13 cold, after a few miles about 100 or so , the tikking was back, i noticed that the NR 6 valve had a lot of clearance, adjusted them again, and about another 100 miles the same problem, this went one a few times , till i pulled the nut for. 8L V6, SOHC, MPI, 24 valve MIVEC - LPG Compatible zzzzzz- 3. But few people take the time to measure and adjust it. Don't get confused by the mm to inch. One of the most overlooked maintenance procedures besides fluid and filters, has to. 0027 inches for the intake valve. 5" NPT 50GPM 2-Position Normally Open 120/240V The VRN2 two-way pressure independent control valves maintain constant flow of hot or chilled water with glycol solutions up to 50% in closed-loop heating, ventilating, and air conditioning (HVAC Division 23) systems regardless of head pressure fluctuations above the. Tolerance Added To Valve Clearance Specifications. sounds like it is missing at an idle when pulling spark plug wire off but at top rpm its not to noticeable but still has some rumbling sounds. spark plug. 31 inches if equipped with the four-barrel carburetor. Perfectly quiet with zero clearance on the exhaust valves (Yamaha, not Toyota). 05mm Valve shim is a 2. 0059 Exhaust. (2) Using SST, press down the valve lifter. GENERAL SPECIFICATIONS (from the XR Manual) NUMBER OF CYLINDERS 4 Valve Stem To Guide Clearance. and number: to the Old Online Chevy Manuals Please Report any Broken Links or Pages that do not load properly. Feb 24, 2013 · How to rebuild front brake caliper - VW Audi Skoda Seat - New piston and seals (COMPLETE GUIDE) - Duration: 14:11. 3) Using feeler gauge, measure and record valve clearance between valve lifter and camshaft. Exhaust valves can burn if too tight, but its pretty rare on intakes so its a bit safer to go with tighter clearances. I have them highlighted with yellow paint for visibility. The exhaust valve clearance should be 0. Rotate flywheel 360 degrees until No. I just bought a 08 CRF 250 and was checking the clearances. The intake valves on both cylinders are a little tight, so I take a look at the shim sizing charts on page 2-7, to determine which sizes I need to get. Club Car Fe290/350 Valve Guide Snap Ring (Fits 1996-Up) This Buggies Unlimited OEM replacement part has been developed to meet or even exceed the manufacturer's original equipment specifications. With the piston at TDC on the exhaust/intake stroke, the valves cannot fall into the cylinder It is beyond the scope of this article to discribe the exact procedure for checking piston to valve clearance, and removing and installing valve springs. What do you guys like for valve clearances?. I have them highlighted with yellow paint for visibility. Checking the piston-to-valve clearance will make sure the valve pocket is deep enough, but there should also be enough room between the edge of the valve and the wall of the pocket. my bud's identical WR started right up each day. One of your exhaust valves has a clearance of ~0. It holds 9 gallons of gas And it has electric fuel injection(EFI). The way I was thought years ago for engines you don't have specific spec's for is about the same but goes by "Valve Over Lap" As Demer says the cylinders are in pairs. 15 intake and 0. If the screws are worn, this will make your valve adjustment inaccurate. Valve Clearance. I have still not found a source for a workshop manual as opposed to an owners manual if anyone knows where I could get one I would be really grateful.