Gearbox Bush removal

Information relating to the Matchless G5 or AJS Model 8 350cc Lightweight
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Gearbox Bush removal

Postby Martin.S » Sat Dec 01, 2018 3:01 pm

I cleaned up the bearing surface of the kickstart shaft in my lathe and now have to make a new bush to suit.
I put the outer cover in the oven(she's out!) and heated it to 175degC and tried to shock it out but no go - Any ideas?

Outer Cover.jpg
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Re: Gearbox Bush removal

Postby Mick D » Sat Dec 01, 2018 3:12 pm

Hi

It may have been installed with Loctite in which case you may need to heat the bush with a torch to break the bond.

If it's really stuck I'd thread the bush bore and pull it out using a suitable piece of tube or a socket and some studding.

Regards Mick

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Re: Gearbox Bush removal

Postby Martin.S » Sat Dec 01, 2018 7:08 pm

Thanks for that Mick, Happens I had a fine 1" tap (I can never walk past a skip!), screwed that in , held that in the vice, put a blow torch on the casting and gently taped the casting off the bush. Job done.

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Re: Gearbox Bush removal

Postby Expat » Sun Dec 02, 2018 12:26 am

Nice!i
Keep shiny side up.

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