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It looked like it was flush when i assembled it.
The engine is running, has been for over a year.
I'm thinking ahead for next rebuild on how it is supposed to be stock.
By the way mine is probably a little lower because i have a flat 550 piston in
it from wössner. I did compare it to my stock which was dished but did not
go all the way to the top either (forgot to measure it).
It looked like i would not lose much on compression height only the dish edge.
Got it real cheap that's why i have it.(was low on cash)
I think a heard some one on the forum talk
how his piston goes all the way up on his 650.
I think he had a newer 650 with the 80mm bell crank.
Regards
The engine is running, has been for over a year.
I'm thinking ahead for next rebuild on how it is supposed to be stock.
By the way mine is probably a little lower because i have a flat 550 piston in
it from wössner. I did compare it to my stock which was dished but did not
go all the way to the top either (forgot to measure it).
It looked like i would not lose much on compression height only the dish edge.
Got it real cheap that's why i have it.(was low on cash)
I think a heard some one on the forum talk
how his piston goes all the way up on his 650.
I think he had a newer 650 with the 80mm bell crank.
Regards
- Joined
- Nov 20, 2001
- Messages
- 17,028
- Location
- Ely, England
the dished OEM piston should go 0.2mm OVER the top of the liner on the 2004. that gives you a 1.2mm gap to the head when the gasket is on. If I recall correctly, the 04 was the closest the piston ever got to the head and in 2005 they found another .2mm or so to make the gap safer.
regards
Taffy
regards
Taffy
Well next time i have to rebuild the motor, I will post some numbers. i still have the stock piston from my bike
so i can put it in and do some mesurements. I will then upgrade to a bell crank and the later coated piston.
i will compare the weight of the cranks.
Regards
so i can put it in and do some mesurements. I will then upgrade to a bell crank and the later coated piston.
i will compare the weight of the cranks.
Regards
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