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Everything Dirt Bike
General Dirt Bike
Crankcase Pressure Build-Up?
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<blockquote data-quote="MikeinFresno" data-source="post: 192101" data-attributes="member: 40"><p>Im not sure about the newer motors, but most of the feel of what some think is compression in the RFS motor is actually the valve springs compressing, not cyl compression..</p></blockquote><p></p>
[QUOTE="MikeinFresno, post: 192101, member: 40"] Im not sure about the newer motors, but most of the feel of what some think is compression in the RFS motor is actually the valve springs compressing, not cyl compression.. [/QUOTE]
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Crankcase Pressure Build-Up?
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