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Stripped threads on the swingarm filler cap...
- Thread starter Anyname
- Start date
Anyname
Active member
I had originally planned to use a helicoil, but figured that taping for a helicoil would require at least as large a hole as tapping for a 14mm plug. The filler hole is fairly near the edge of the castin and I have some concerns that the casting might crack. I generally don't strip the filler or drain holes and figured that the helicoil's primary advantage would be a stronger thread.
bikerfish1100
New member
what year and bike are you talking about? (i see a GS in your profile, but that bike is a Hexhead, not an Airhead. it likely makes a differemce.)
mneblett
#32806
Has to be a monolever airhead -- the oil/hexheads had no-oil paralever swingarms.
typ181r90
Superkraut
I got the machinist at work to do exactly that (tapping to a larger thread), works fine
bikerfish1100
New member
helicoil should work fine, given that its a pretty much "no-load" condition.
Anyname
Active member
It is an 86 R80 with a monoshock.
bikerfish1100
New member
Thaks, that helps.
I have no clue. Know no specifics to that era airhead.
but i do like Helicoils pretty well.
I have no clue. Know no specifics to that era airhead.
but i do like Helicoils pretty well.
B
Bill Burke
Guest
Lostboy is correct. To do the helicoil right, you have to get the pinion gear out of the way. I did mine half-assed and got the helicoil inserted in the half-cocked way that you almost inevitably will when trying to do it in situ. Result? Actually, not that bad. I added a couple washers and some Yamabond and the plug functions as a plug. If observers have poor eyesight, they don't even notice it.
