80's marathon, 244 cc robin help on drive clutch

ddw4170 · 06-22-2010, 05:51 PM

The drive clutch is very noisy, and it sticks closed if you get it hot, how do I disassemble and rebuild? For that matter, how does this work??

DW

GoTeeMan · 06-23-2010, 01:26 PM

1) Take the clutch off the engine, throw away, replace with new clutch. = The best way to fix it.

2) To repair it take it off the engine, take cover off figure out what pieces are worn out, begin internet searches (ad nauseum) that will lead you to the conclusion that you can't get parts to overhaul them, see #1.

The clutch uses hinged centrifugal weights that ride on rollers that push the clutch faces closer together as RPM increases and a return spring to push them back apart when RPM decreases. The problem with mine was that the rollers developed flat spots that would hang the weights and keep it from releasing. We welded the low spots and ground them pretty much round which is working for now. My inlaws clutch is noisy, loose and completly worn out and hangs up all the time but they don't want to replace it and there ain't no fixing that one. (refer to #1 again)

Good luck.

fcbclan · 08-25-2010, 10:18 PM

I repaired my drive clutch working great so far

GoTeeMan · 08-26-2010, 08:35 AM

Awesome glad to hear it.

06-22-2010, 05:51 PM	#1
ddw4170 Not Yet Wild Join Date: Jun 2010 Posts: 15	80's marathon, 244 cc robin help on drive clutch The drive clutch is very noisy, and it sticks closed if you get it hot, how do I disassemble and rebuild? For that matter, how does this work?? DW
ddw4170 Not Yet Wild Join Date: Jun 2010 Posts: 15

06-23-2010, 01:26 PM	#2
GoTeeMan EZ Like Sunday Morning Join Date: Jun 2009 Location: Owatonna, Minnesota Posts: 465	Re: 80's marathon, 244 cc robin help on drive clutch 1) Take the clutch off the engine, throw away, replace with new clutch. = The best way to fix it. 2) To repair it take it off the engine, take cover off figure out what pieces are worn out, begin internet searches (ad nauseum) that will lead you to the conclusion that you can't get parts to overhaul them, see #1. The clutch uses hinged centrifugal weights that ride on rollers that push the clutch faces closer together as RPM increases and a return spring to push them back apart when RPM decreases. The problem with mine was that the rollers developed flat spots that would hang the weights and keep it from releasing. We welded the low spots and ground them pretty much round which is working for now. My inlaws clutch is noisy, loose and completly worn out and hangs up all the time but they don't want to replace it and there ain't no fixing that one. (refer to #1 again) Good luck.

08-25-2010, 10:18 PM	#3
fcbclan Not Yet Wild Join Date: May 2009 Posts: 56	Re: 80's marathon, 244 cc robin help on drive clutch I repaired my drive clutch working great so far
fcbclan Not Yet Wild Join Date: May 2009 Posts: 56

08-26-2010, 08:35 AM	#4
GoTeeMan EZ Like Sunday Morning Join Date: Jun 2009 Location: Owatonna, Minnesota Posts: 465	Re: 80's marathon, 244 cc robin help on drive clutch Awesome glad to hear it.

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