I own a H.D. fatboy 2003. During a normal ride shiftingfrom 1st to 2nd, a loud clang occurred. Engine raced up. I thought I had missedthe shift up on the gears. I then shifted on up into third, let out the clutchno power to the wheels, the engine just revved up. So I downshifted, again nothing.Finally came to a stop. Shut off the bike. When I tried to start it, thestarter just spun. Nothing would engage. Sure would like to know your thoughtson this one.,,,thx...Mike
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Re: no power to the wheels
Ok bro' couple of things going on here. we'll start with the starter haha! how does it start you ask? the starter button hots up the sarter motor with the 12 volts dc which engages the starter gear wit the CLUTCH BASKET which has a ring gear in it and of course the starter is spinning and it spins the clutch basket and pulls on th primary chain if your fatpunk I mean fat boy is stock and pulls on the motor sprocket and turns the motor. If no motor power to the wheels and no starter power to the motor then something in between is broke. so I think the clang you heard was the demise of your primary chain or the clutch basket or the engine sprocket I think the primary chain is most likeley. so take it easy off the line until you hop it up proper son it ain't no hot rod til you drop some mods on it
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Hi Anonymous, you have all the classic symptoms of retarded timing, bad intake seals, and incorrect clutch adjustment, or wrong type of primary oil, or contaminated and or warped clutch plates. Good luck
If you just had the bike serviced, take it back to the tech that did the work. If you did the work your self, check the gear oil level on level ground with the bike in the vertical position (riding position). It sounds like the oil is low and this can cause the gears to not shift properly. I hope this helps.
Absolute number one priority is change the oil as often as you can afford especially for MX or Road trail four stokes. Every 4 - 8 hours ride time would not be excessive and if is a race bike then every or at least every second race meet should be full of brand new oil.
this will increase engine life and decrease engine wear an enormous amount!
Ps change the oil filter/s every 2nd or 3rd oil change
with the oil Your clutch rely on it - Your cams rely on it - Your transmission rely on it - your crank rely on it
2nd priority is clean air filter if your mainly road use then not so often but if your off road then same as oil. Change as often or clean as often as possible
The rest such as head gaskets,piston / rings, valves and clearances, spark plugs, clutch plates/springs - Really no way to tell all depends how hard you ride just address or investigate when power loss or hard starting occurs
But I guaranty all the above will last heaps longer on clean oil and air
Probably the CV joints just behind the brakes on each wheel. Try jacking the car up so that the wheel on that side is clear of the ground, grasp the wheel and rotate it back and forth. Do you get that noise? The joints are not repairable, just replace both sides.
It might be a faulty power steering pump. Try checking the level of the power steering fluid. It is probably best you have your power steering system checked by a mechanic.
Does the noise occur only when the vehicle is moving?
Try moving the steering wheel from side to side, while stationary (but don't do it too often, or you might damage something). If the noise is still present when the car is stationary, then it probably is the power steering system.
If the noise only occurs while the vehicle is moving, it could be a problem with the differential/final drive, or even wheel bearings.
but hoping I could get a little help.I get a very loud squeak from what seems to be the back end of the bike under power. I don't notice it in first gear but 2nd and up I hear the squeak that is very loud. It is not a constant squeak but a jumpy one that seems to match the engine vibrations (as in it seems to squeak every time a cylinder fires) but only under power.I just put on new rubber on the back end last night and I left every guard off and it didn't change assuming that I have guards rubbing and squeaking but apparently not the case.Now what I find to be very interesting is that it is not always there. Case in point: Almost a month ago, I got caught in a pretty good rain storm. It didn't squeak again until I washed it. After I washed the bike, it never really went away until I ride for a while. Oh yeah, almost forgot to mention that the squeaking never really stays for a whole ride, just the start of it (10-20 minutes?)Is this a symptom of the wheel bearings going or do I have a problem with my belt drive? The bike is a 2003 XB9R and I know that there have been problems with the belt on some (not being strong enough) but from what I can tell, the belt looks imaculate for being 5 years old.Any ideas before I start throwing money at it until it gets figured out?,1. the belt will not squeak, so it's not that. 2. this is hard to figure out online.3. is it while riding constant or during normal/hard acceleration?,,,