092jake Posted May 17, 2014 Share Posted May 17, 2014 Hi guys. i've just bought a 1999 wr400 f. absolutley fantastic bike when its on the stand but when i sit it uprisght or lean it away from the stand it revs itself ?? i've had the carb apart and checked the float height. it is exactly 9mm (recomended by yamaha) but still having problems. Does anyone know what it might be ?? Thanks Link to comment Share on other sites More sharing options...
blackhat250 Posted May 17, 2014 Share Posted May 17, 2014 Throttle cable route ,,, And an intro will be good, , Link to comment Share on other sites More sharing options...
Moderator Airhead Posted May 17, 2014 Moderator Share Posted May 17, 2014 still sounds like float height to me though? Link to comment Share on other sites More sharing options...
yamahamike Posted May 26, 2014 Share Posted May 26, 2014 There has to be a little slack (free play) in the throttle cable. When you turn the handle bars side to side, does it rev up? If so that's it Link to comment Share on other sites More sharing options...
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