Centrifugal clutch blues

locutus_1 said:
the sleve you put on covers the keyhole there is no cut in it like the stock manual gear.... it uses friction and the bolt... thats what mine is
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You're right as I recall. I had two of these HT girls. First one was a dream for a year until it started slipping. Before that started happening I had ordered a second one. Was still working on the first one, trying to create a slot for a woodruff key when the second one came... installed it on a second bike and it was crap from day one... went fifteen feet and the clutch no longer worked. I lost both engines in a fire a week later, so never resolved the issues. All I can report on the positive side is that first year with the first engine... just a real nice experience and no 'wobble'. Sounds like a bum motor to me. Much as I liked that first one I'm done on HT automatics, having moved on to four stroke automatics with pull start... oh yes.
SB
 
usflgi think ill just use the engine till it falls apart... then switch over to the 4 stroke one.. or even then i can fab my own stuff...

these engines are just crap.. learned my lesson..:-) but since i already spent the money and dont have anything else for now might as well enjoy it...wee.
 
Nice going. Sounds like you have a sound good to the problem. While mine worked I really liked it. I didn't like it so much when it slipped and I went nowhere.
SB
 
silverbear said:
I got the bike out to remove the clutch cover and noticed something. There appears to be a bolt missing as shown in the first photo. The second photo shows my other automatic with a bolt in the same spot. Could this be the problem? What is it for? Anyone know? I hesitate to just remove the one from the new engine without knowing what's up, but if there are no responses I guess that's what I'll do, make a trip to the hardware for another and see if that was the problem. Thanks in advance.
SB
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Yeah i would make sure that was fully in their otherwise you could have a catastrophic failure like i did. see the photo link. https://picasaweb.google.com/lh/photo/v3konhretSS8lbLo-e5e2A?feat=directlink
 
GearNut said:
There really are no adjustments on the cenrtrifugal clutches other than changing out the springs to affect engagement rpms.
I agree with AaronF, check to be sure that the woodruff key is still where it should be and that the nut is tight.
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I thought you're suppose to take out the woodruff key to install the centrifugal clutch?
 
rohmell said:
Yes, the centrifugal clutch uses the crankshaft's taper for a friction fit, and the Woodruff key is not used. Some members machine a keyway into the centrifugal clutch so that the Woodruff key can be used with it.
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I have a dremel tool, which bit can I use for this mod?
 
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