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hurtigrodfare

valve adjustment

8 posts in this topic

I acquired a xr650r 2002 real cheep. One thing it would not run. Last thing to check is the valve adjustment. Just need to know if you set the valves on the timing mark or one of the other marks on the fly wheel.

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I acquired a xr650r 2002 real cheep. One thing it would not run. Last thing to check is the valve adjustment. Just need to know if you set the valves on the timing mark or one of the other marks on the fly wheel.

Set it on the T mark.

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Just remember to use the T mark when it's on the compression stroke. If you just rotate around and line up the T you've got a 50/50 chance of being on either the compression stroke or the exhaust stroke.

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Just remember to use the T mark when it's on the compression stroke. If you just rotate around and line up the T you've got a 50/50 chance of being on either the compression stroke or the exhaust stroke.

Does that apply to an L? if so, how would I make sure its on the compression stroke?

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PUll off the rocker arm caps and watch the intake valves. When the intakes start to close, the piston is coming up on compression. Look closely at the marks, the ''F" and "T" marks are easily confused.

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Valves will all feel loose, wiggle when you grab hold and shake'em around a bit if your on the compression stroke.

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Valves will all feel loose, wiggle when you grab hold and shake'em around a bit if your on the compression stroke.

makes sence......you would have a serious problem on your hands if they didnt wiggle a bit...

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