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Clutch Slipping on R50; Oil turns Black quickly; Piston ring gap -all related?

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westeagle
Posts: 32
Joined: Wed Dec 19, 2018 8:12 pm

Will try new rings then!

Post by westeagle »

Im going to give it a shot.
If the problem does end up being "blow-by", and the tighter ring gap stops the oil from going into the clutch via the main seal, I'm wondering if I still would need to open up the clutch and clean out the oil, or whether it would burn off?

I will try the less invasive route first. If that fails, then I will go deep and dismantle/ clean the clutch out and change out the main seal.

This used to be fun!
'57 R50; '73 R75/5 LWB

MikeL46
Posts: 151
Joined: Fri Jan 01, 2016 1:58 pm

If you have free play at the

Post by MikeL46 »

If you have free play at the clutch arm on the back of the transmission and still have slippage, then it is time to pull the transmission and check the rear main seal. Of course, if you think new rings will improve the situation then you really have nothing to lose by trying that and seeing if it helps.

Mike
67 R50/2 w/R100 engine/trans and Ural Sidecar
69 R60/2 76 R90S 78 R100RS
70 Triumph w/Spirit Eagle Sidecar

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