[SEL] BSA 420cc Engine

[Listerdiesel]

2009/8/16 Jerry Evans <jerrye at databak.co.za>:
> At 06:00 PM 16/08/2009, you wrote:
> I see no reference to a 420cc engine but
> Peter has a lot more knowledge of these things than I do.
> Peter, could a different shape piston account for 100cc on this
> size bore?
> Jerry Evans

I was using the Hepolite Piston & Ring catalogue, it lists:

120cc 56mm bore, flat topped piston
220cc 68mm bore, flat topped piston
320cc 76.199mm bore, flat topped piston
420cc 82mm bore, slightly concave piston
420cc 82mm bore, concave piston

Peter
-- 
Peter A Forbes
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