Author Topic: bsa a7 piston part number , not in parts list  (Read 327 times)

Offline oceanobsession

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bsa a7 piston part number , not in parts list
« on: 11.09. 2021 18:44 »
Just removed the head on my bsa a7 , thought the engine was seized , not run since 1969 , but its ok dont seem to be a large lip
on the barrel , piston part number is 67-1423 , cant see this in the parts list , would this be an oversize piston , phil,
A7SS

Online JulianS

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Re: bsa a7 piston part number , not in parts list
« Reply #1 on: 11.09. 2021 19:35 »
67 1423 is the number for the bare piston, standard size.

The book shows 67 1422 which is the  number for the complete piston with rings pin circlips.

Offline oceanobsession

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Re: bsa a7 piston part number , not in parts list
« Reply #2 on: 11.09. 2021 20:05 »
Thanks julian , for your help , phil.
A7SS