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Hello to everyone
I have 1966 XLCH. I have to de-assemble the clutch so ... why not to check the friction discs ??
I found 7 discs of each. The friction discs looks very thin to be honest. I measure them and the average thickness is 2.5mm or 13/128 inches.
Does anyone knows how thick is a new one ?? I have them repaired if necessary but I need to know the thickness that should have.
I try to find that information in the manual but it is not there.
I am not sure of what you want to se but I took a few pictures and a few measures.
The friction plate... the steel is 1.2 mm so friction material of each side is about 0.65mm
same thickness for the driven plate
7 plates of each
AND at the back I found a steel disk. I have not idea what is that for 5.9mm very thick and heavy. I have never seen something like that before.
I have not had an iron head in the shop in quite a while
but that is a Barnett clutch i believe - clean it soak the discs in atf - or we use jap bike 10 40 engine oil synthetic in the trans and primary in every sporty
jap bike oil is designed for gear box and clutches
>I have not had an iron head in the shop in quite a while
>but that is a Barnett clutch i believe - clean it soak the discs in atf - or we use jap bike 10 40 engine oil synthetic in the trans and primary in every >sporty
>jap bike oil is designed for gear box and clutches
acording to the manual till 1969 the primary should be dry.
any way I found oil when I opened that .... may be a broken seal ?
I believe there should be not oil at all. The oil should be at the oil deposit and the cover ... that thing was not designed to retain oil. That was stamped from a piece of steel like british and older motorcycles with a dry primary.
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friction clutch thickness
