G5 Crankshaft Rebuild - SORTED!

Information relating to the Matchless G5 or AJS Model 8 350cc Lightweight
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Re: G5 Crankshaft Rebuild

Postby Cosmic-Wizard » Thu Jun 14, 2018 9:09 am

Hi everyone,

Just a little update, as promised. I have stripped the crankshaft down again, checked everything and guess what? I refitted the original damaged big-end pin by mistake :roll:

The damage/wear is so slight, but it throws the rod off centre and when the weghts are pressed together and torqued-up, it tries to straighten the rod and nips-up on one part of the revolution.

The rod is now sitting centre and is free moving 8-)

I have plenty of pics which I will upload when I start the rebuild thread.

Thank you all for your advice and suggestions.
Cheers
James

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Re: G5 Crankshaft Rebuild - SORTED!

Postby cbranni » Thu Jun 14, 2018 5:36 pm

Well done to you.
only dead fish go with the flow

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Re: G5 Crankshaft Rebuild - SORTED!

Postby clanger9 » Thu Jun 14, 2018 6:07 pm

Nice one! Glad you found the cause.
1966 AJS Model 14 250 CSR "cafe racer"
1993 Ducati 750SS

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Re: G5 Crankshaft Rebuild - SORTED!

Postby 56G80S » Thu Jun 14, 2018 6:53 pm

That's made me feel a lot better, it's not only me!

Great result.

I really liked my 14CSR and sure you'll be enjoying the G5 soon.

Johnny B

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