Piston rings

Information relating to the Matchless G80 or AJS Model 18 500cc Heavyweight.
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Piston rings

Postby Steve Harding » Sun Jan 19, 2020 3:00 pm

Can anyone recommend a supplier of piston rings for a 1952 18s, they are for a Hepolite piston + 0.030 ?

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Re: Piston rings

Postby Dave T » Sun Jan 19, 2020 3:40 pm

Cox & Turner I heartily recommend. 01935826816.

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Re: Piston rings

Postby Steve Harding » Sun Jan 19, 2020 6:09 pm

Thanks for that, another quick question, should there be hardened caps on the valve stems? I'm sure I've read about them, but can't see them on the parts list

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Re: Piston rings

Postby ajscomboman » Sun Jan 19, 2020 6:30 pm

Steve Harding wrote:Thanks for that, another quick question, should there be hardened caps on the valve stems? I'm sure I've read about them, but can't see them on the parts list


Not on a 52 model.

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Re: Piston rings

Postby dave16mct » Sun Jan 19, 2020 6:32 pm

No, valve caps were not used after 1948.
Dave.

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