which underhead for sirio BK EVO2 & EVO4
Hello!
My sirio BK EVO2 blew last summer and messed up the underhead, i am now ordering a new one but i'm confused. There is one called: S21 023200, that seems to be the turbo head i'm looking for. But then theres a "S21 023201 S.S" (S.S for "short-stroke"). which one is it? And then, a friend of mine wonder if he has the same head as me in he's evo4. /Martin |
Originally Posted by Martin.S
(Post 7263546)
Hello!
My sirio BK EVO2 blew last summer and messed up the underhead, i am now ordering a new one but i'm confused. There is one called: S21 023200, that seems to be the turbo head i'm looking for. But then theres a "S21 023201 S.S" (S.S for "short-stroke"). which one is it? And then, a friend of mine wonder if he has the same head as me in he's evo4. /Martin |
The timing of the crank are the only thing different between evo2,3 and 4 other dimensions are all the same, since all the parts are interchangeable. I'll take apart my evo2 and evo3 and measure them to confirm.
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Great! thanks for the help!
/Martin |
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