Hello guys and girls...I'm stumped...my bike cut off on me while riding and wouldn't start backup.got it home to find my stator and rectifier connections melted together...took my stator cover off and found my flywheel screw came out...replaced those parts and it fired up only to have a knocking sound coming from the motor...can someone help with this...
Busa cut off at 100+mph
- Thread starter Blugottiv
- Start date
busakiller
Registered
Drain the oil and check for metal. Then pull the pan and look at the rod bearings. Look for signs of hot spots on the crank. Does the knock go away or get worse with rpm?
Kiwi Rider
Registered
My take on this would be that probably when the flywheel bolt came adrift, the rotor (flywheel) has fretted away the woodruff key and possibly damaged the keyway slot, and/or the tapered end of the crankshaft . . .
so when the new bolt is fitted and tightened, the rotor may not be seated properly and is rocking around causing the knocking.
I say this because it only started knocking AFTER the rotor bolt came loose and caused the issues stated.
Revisit that, recheck the key and key way and get back to us.
so when the new bolt is fitted and tightened, the rotor may not be seated properly and is rocking around causing the knocking.
I say this because it only started knocking AFTER the rotor bolt came loose and caused the issues stated.
Revisit that, recheck the key and key way and get back to us.
Last edited:
Kiwi Rider
Registered
Just to be absolutely clear . . . .
whenever a rotor/fywheel bolt/nut comes loose . . ALWAYS check the condition of the key and key-way, don't just fit a new nut or bolt and tighten it up, you most likely have damage done to the key and the key- way.
whenever a rotor/fywheel bolt/nut comes loose . . ALWAYS check the condition of the key and key-way, don't just fit a new nut or bolt and tighten it up, you most likely have damage done to the key and the key- way.
____________Ya,what he said ^__________
Rubb.
Rubb.
Oil looks good...and the sound is consistent...I get a puff of white smoke at start up...
Will do...thanks
Thanks going to pull it back off and recheck the fit
Going to recheck it...thanks
No...and there was no code either
I'll try again...
Well guys thanks for all of your help...i finally decided to take it to the shop after finding gold in the oil...lol...spun a bearing
Hayabusa Wannabe
Registered
What steps will you take now?
Mr Brown
Registered
I figured that was what it was. Sometimes the oil light will flash on right before that happens, and listening to the motor is the best way to diagnose it.
It's not great, but at least you know what it is, and it's fixable. Time to upgrade....
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