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Buell Forum » Old School Buell » M2 Cyclone » Archive through April 06, 2010 » CV40 Leaking « Previous Next »

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Ebwhite
Posted on Wednesday, December 23, 2009 - 01:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Just noticed a problem on my CV40...There is a ton of fuel leaking out of the carb and out the kn forcewinder intake...It seems to be coming out of of the the small holes (looks like it goes to the main or slow jet) You can see it when the intake is off and its at the bottom of the carb venturi....anyone have a clue whats up?


Also, i have a 200 main and 42 pilot jet...is that good for a 00 cyclone with a vance and hines ss2r and forcewinder intake?

(Message edited by ebwhite on December 23, 2009)
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Jim2
Posted on Wednesday, December 23, 2009 - 02:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Stuck float or debris in the needle.

42 pilot seems too small. 200 main should be good. See threads on CV-40 mods.

Congrats on the new bike. You'll love it.
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Bluzm2
Posted on Wednesday, December 23, 2009 - 01:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

What Jim said..
Try a 45 pilot with the screw out 2 1/2 turns. The 200 might be a bit large.
I usually go with a 190.
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Dwardo
Posted on Wednesday, December 23, 2009 - 02:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Turn the fuel tap off when leaving the bike unattended. The carb seems prone to overflowing through the float needle, for whatever reason.
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Rjn
Posted on Tuesday, December 29, 2009 - 01:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Maybe an extra tip:
check your oil for gasoline !!
i've had the same problem with my M2. Had foul on the needle after respraying my gas tank, carb floaded 3 times.
gasoline run down the cilinders and into the rest of the engine.
had to clean the hole lot.
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