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I came across this this morning,I had been curious as to what had been changed,for those that didn't know already, here it is



gls on 2/7/2003 4:44:37 PM

ronfl.
Sorry this reply is so late. the differences and changes are as follows. I hope I don't miss any small details.
Engine is same crank and case as the F-7 70mm stroke, 73.8mm bore. Same general port layout but obviously proportioned for the bore decrease. 46mm throttle bodies, same as F-7. Pipe is redesigned for the F-6, muffler is the same. coolant bottle is redesigned to eliminate any air pockets in cooling system not allowing it to remain in the system. Recoil rope rub post is installed. Suspension valving is recalibrated. Thats what I can think of right now. Hope that answers your question.




I'm curious about the valving changes,and how different are they?
 

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I would a$$ume the weight of the F6 and F7 are close enough to not be a factor.

Oil bottle, maybe we should all get a new updated bottle. I noticed the "trapped" air right off the bat on mine, I'd like to meet the guy that was proud of that invention.
 

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Watched a F-6 run (improved ,cause he had ice picks not
studs)at the drags this past weekend .I have to say I was
impressed this thing beat a 440 mod in one heat(on clean ice).
The sled had no break in and was in the hands of of people
that were not given oxygen at birth when they needed it most.
It showed it was not to be taken lightlyStill goning order a `7in
the spring.By the way got second in the radar run with the 711,
lost to the T-Cat.by 9km`s.
cape Breton Stock...................................
 
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