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Does the YFZ have some sort of built in decompression system? I know their is no lever. I thought I heard they had some sort of decompression system built into them. If they don't they would be a ***** to kick start. I remember when the 426 came out racers were losing races because their was no decompression lever and they could not get the 426 kick started fast enough. I was wondering if the YFZ has some sort of decompression system. Anyone know?
 

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The '03 YZ's featured auto-decompression, so I would assume that the YFZ has the same thing.
 

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Yes, the decompressioner is part of the exhaust cam!! It works off of centrifical wieghts mounted to the timing gear.
 

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The exhaust cam timing gear, and decompressioner.

 
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