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Messages - MikeN

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British Bikes / Re: BSA A65 PISTONS
« on: November 22, 2009, 10:52:02 PM »
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You could try asking at the BSA 'Piled Arms' Pub (BSA forum)?

http://piled-arms.com/pub.html
If the A65 is a star twin the compression ratio was 7.25:1 from Jan 62 and in Jun62 raised to 7.5:1 which remained until 1965 when it the star was replaced by the thunderbolt. 0250 0252 and 0254 are the 7.25:1 pistons but what are the 7.5 part numbers
Just found the 7.5 part numbers which are0819 0820 and 0821

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British Bikes / Re: BSA A65 PISTONS
« on: November 22, 2009, 10:47:04 PM »
Quote
You could try asking at the BSA 'Piled Arms' Pub (BSA forum)?

http://piled-arms.com/pub.html
If the A65 is a star twin the compression ratio was 7.25:1 from Jan 62 and in Jun62 raised to 7.5:1 which remained until 1965 when it the star was replaced by the thunderbolt. 0250 0252 and 0254 are the 7.25:1 pistons but what are the 7.5 part numbers

Pages: [1]