Author Topic: Cylinder Bore  (Read 431 times)

Offline Drew Back

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Cylinder Bore
« on: 14.12. 2016 01:00 »
Ok so I got another A7 long stroke cylinder I know stock is supposed to be 62mm well it measures out to 63.4 mm what size pistons or how much over would that be..I have a .40 piston and it is to big What size should I shoot for? The bores look pretty good now also.
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Offline bikerjohndavies

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Re: Cylinder Bore
« Reply #1 on: 14.12. 2016 09:00 »
Hi Drew, 63.4mm would make it +.060 bore so not sure what you mean when you say a +.040 is to big? How accurate did you measure the bore? For info .5mm is 20 thou or .020
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1937 Panther M100 Rigid, 1946 Ariel Square 4, 1952 Norton Model 7, 1953 BSA A10SF (WIP), 1954 Ariel VH, 1961 Triumph T120R

Offline Drew Back

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Re: Cylinder Bore
« Reply #2 on: 14.12. 2016 15:19 »
Thank you for the imfo I shal take it to the pros to get accurate measurements ..
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