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RPM question......

these Yamaha motors last 5 times longer than most 2strokes so maybe killing a year or two is livable! This is one of those things that maybe should not be talked about especially under warranty. I have heard with Dynojet your serial number is required. Call me paranoid but WHY?

I had a 1999 vmax 600 deluxe that I gave away 2 yrs ago to a friends kid it had 18,649 on the factory motor and the original track. I put new skis on it at 12,000 and after my Ex slammed it into a tree all the radius rods, trailing arms a belly pan and hood everything else was original.

The sled is till running today as far as I know
 

I had a 1999 vmax 600 deluxe that I gave away 2 yrs ago to a friends kid it had 18,649 on the factory motor and the original track. I put new skis on it at 12,000 and after my Ex slammed it into a tree all the radius rods, trailing arms a belly pan and hood everything else was original.

The sled is till running today as far as I know

Yes you are right except for Skidoo and the old 800 polaris. The gas issues are reason alone to brag about 4strokes though.
 


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