Clutch Gear Chatter

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FlyJSH

New Member
Feb 10, 2009
40
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Houston, TX
Howdy all,

While cleaning the clutch pads, I noticed the large gear was "floating" (it had more play than I would have expected). I could push it forward and aft or up and down. I think this is where I am getting the chatter. It appears to have all the ball bearings (I could see them a bit and there were no spaces). How much play is normal and who much is too much??

Thanks,
j
 
Creative Engineering

Creative Engineering

New Member
Sep 20, 2008
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Clearwater, FL
web.tampabay.rr.com
FlyJSH said:
Howdy all,

While cleaning the clutch pads, I noticed the large gear was "floating" (it had more play than I would have expected). I could push it forward and aft or up and down. I think this is where I am getting the chatter. It appears to have all the ball bearings (I could see them a bit and there were no spaces). How much play is normal and who much is too much??

Thanks,
j
Click to expand...
J,

No more than .005" radially. Ideally it should be .0002-.0005". It is very important that the gears mesh precisely at the diametral pitch. I have had a dozen or so of these engines apart, and so far only 1 had a really good bearing set.

If your gear is excessively loose, it will best to fix it now before any real damage is done.

Jim
 
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FlyJSH

New Member
Feb 10, 2009
40
0
0
Houston, TX
Just to clarify, the gear is only loose and chattering when the clutch is disengaged. When engaged, it feels nice and tight.

okay, so what is a good fix?
 
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