Maintenance & Technical > KX500 Original
K5 vibrates real bad.
Foxx4Beaver:
going back to your original post....
check ALL your electrical connections thoroughly for loose connections, and be sure to use a little dielectric grease on all the plug connections. Make sure all your grounds have a GOOD CLEAN contact surface!.
if that checks out...you may need to start checking/testing your electrical components to be sure they're not failing.
Brute:
I picked up a tank of bad fuel two weeks ago in my brand new UTV. Non ethanol 92 octane. Ran Ok on the flat but acted like it had a rev limiter going up any hills. Drained it and put in new fuel and 'poof', runs like it should.
I should say here that the fuel MAY not have been bad out of the pump. I filled a brand new plastic fuel can (plastic) a couple months earlier and it had been sitting since. It is possible something leached out of the plastic into the fuel.
Try the fuel first as that is easy...
dirkster:
Update. cleaned all the wire connectors, grounds, took the flywheel and stator off and cleaned up every connection on the bike. had a stronger spark. still ran the same. the bike had been fouling plugs quickly so i took the carb off checked to see if the main jet had fallen out, it hadnt, while i was turning over the engine i checked to see if the reeds were sealing correctly, put my hand over the open intake boot. and there was a lot off air getting pushed back out of the crank. took the reeds out, btw they are v force 2 reeds, took them all apart and the pedals were all sealing, however the center restrictor between the petals had a gap on the sealing surface. loosend the two screws holing it together and pushed the center section back to were it would be flush with the sealing surface, didnt quite go flush so i put a thin layer of sealer when i put it back together. the reeds not sealing would explain why the pug was always wet after it was running, and that the motor was running so badly because of an excess of fuel getting sucked in. well hopefully thats the problem anyway. post is probably longer than it should be, sorry bout that.
sandblaster:
On the VF2's you should remove all the screws and put them back in with retaining compound...
Foxx4Beaver:
--- Quote from: sandblaster on September 12, 2016, 01:07:34 AM ---On the VF2's you should remove all the screws and put them back in with retaining compound...
--- End quote ---
+1...
I use yamabond.
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