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Everything Dirt Bike
General Dirt Bike
Coolant Leaking from Water Pump?
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<blockquote data-quote="SRAD97750" data-source="post: 161091" data-attributes="member: 425"><p>Are you positive you are on 'Compression TDC'? There are 2 TDC's per one intake stroke.</p><p>At the wrong TDC there will be valves being depressed.</p><p></p><p>I put my finger over the spark plug hole and turn the crank until the air pushes my finger off the hole (or definite compression is felt). Then, as the piston comes to 'compression TDC', all valves should be closed.</p><p>-BIG DAN<img src="https://www.dirtbikeaddicts.com/static/images/smilies/thumb.gif" class="smilie" loading="lazy" alt=":thumb:" title="Thumb :thumb:" data-shortname=":thumb:" /></p></blockquote><p></p>
[QUOTE="SRAD97750, post: 161091, member: 425"] Are you positive you are on 'Compression TDC'? There are 2 TDC's per one intake stroke. At the wrong TDC there will be valves being depressed. I put my finger over the spark plug hole and turn the crank until the air pushes my finger off the hole (or definite compression is felt). Then, as the piston comes to 'compression TDC', all valves should be closed. -BIG DAN:thumb: [/QUOTE]
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Everything Dirt Bike
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Coolant Leaking from Water Pump?
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