Question about 1976 Yamaha XS 500

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What is valve clearance for a xs 500 - 1976 Yamaha XS 500

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.2 thou

Posted on Apr 07, 2011


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When its cold it starts without problems. i cant start up warm engine on yamaha xs 400.?

Check the valve lash. Sometimes, if the clearances get too tight, when the valves are hot the get long enough that they won't seat properly. I don't have the manual, but I'll bet .003 on the exhaust and .002 on the intakes are close. Put the motor at TDC and check them with a feeler gauge.
If they're not within tolerance, find the factory specs and proceedure for adjustment. This is an often overlooked part of routine maintenance. Good luck!

Jun 13, 2011 | 1985 Yamaha XS 400

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How do i adjust the valves on a 1980 yamaha xs 400?

Hi, Seth for this scenario you will need your service/owners manual if you can't find the best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Sep 08, 2010 | 1980 Yamaha XS 400

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Need valve lash(clearance) settings for 1983 Yamaha XS 650 SK motorcycie intake valve setting and exhaust valve settings example 0.006 in or 0.008 in etc

Inlet .0024 (two and a half thou.)
Exhaust .006" (six thou.)
(6) Set the valves:
Set the valves on the cylinder on the COMPRESSION stroke. Put the wring wrench on the locknut on top of the valve, and turn it anti-clockwise. It will be tight. Turn it about one quarter turn, and keep the wrench on it. Then, using the crescent wrench turn the square headed screw either in or out depending whether you need more or less clearance. We are talking about fractions of a turn here. Then lightly lock the locknut, holding the square headed screw with the crescent wrench so it doesn't move, and check the clearance. Repeat until it's exactly right. When it's exactly right, tighten the locknut. Recheck.
(7) Rotate the engine one revolution exactly:
Shine the flashlight into either sparkplug hole and rotate the engine slowly so that the piston goes down once and comes back up. Stop when it's at Top Dead Centre.
(8) Now do the other cylinder:
Check the gap and set if necessary the other cylinder's valves
Repeat steps (5) and (6) for the other cylinder.
(9) Button it up:
Replace the valve adjustment covers, making sure to keep the gaskets or o-rings in place, the bike will have one or the other.
That's all there is to it!

Apr 30, 2010 | 1982 Yamaha XJ 650

1 Answer

Valve clearances for honda 500 cx 1980 model

The Honda Rider Club offers free membership which includes access to a generic service manual ... a paid membership gets you access to the service manual for your model according to info at the site.

Apr 27, 2010 | 1980 Honda CX 500 A

1 Answer

Clearances Thresholds

Other than the valve will be slightly noisier, no harm will be done.

Jan 30, 2010 | 1986 Honda VT 500 C Shadow

2 Answers

When idling engine spits back thru carbs

You should check the valve clearances, camshafts timing and make a compression test on the engine too.
One or more of your inlet valves is/are either not closing entirely or they close but their stem is damage and it doesn't seal off the combustion chamber properly.

Jun 28, 2009 | 1981 Yamaha XJ 650

1 Answer

Valve clearance information

need valve clearances on 2000 mazda rustler1300 and how to do it

Apr 25, 2009 | 1989 kawasaki GPX 250 R

1 Answer

Valve clearances are out

The valve clearances are the same as the GL 500,as I recall they are in .002" - .004", ex .003" - .006". The pilot air technically needs to be adjusted with the motor running. You want to start at 1 1/4 - 1 1/2 turns out.

Dec 06, 2008 | 1984 Honda GL 400 Custom

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