The BSA Workshop => Singles => Topic started by: MICKREEVES on 15 May, 2019, 11:49
Title: B25 to B40
Post by: MICKREEVES on 15 May, 2019, 11:49
I wonder if it would be possible to increase performance of a B40, by fitting higher compression piston (9:1) and the sportier cams 40-707. Has it been tried? Mick