You can buy oversized pistons/rings from Honda with 0.25, 0.5, 0.75 and 1.0mm for overbores. HL sells a BBK that bumps it to 466cc's I beleive.
The foreman is gone
I was riding at foreman450riders house a few weeks ago and the old P.O.S. just started smoking.
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QUOTE ("lifted450es":3rwlmq5x)
0.040, 0.4 would nearly be a half inch. But Honda OE pistons are metric, measured in millimeters. Not sure what the HL kit uses though.
QUOTE ("John":3rwlmq5x)
433 stock........ .40 over does not mean 40cc over. it means .400 of an inch if im not mistaking. the highlifter big bore kit is a 3mm over kit that makes it 466cc [/quote]its about a 460cc engine now right? 433 stock so what is it approximately?
0.040, 0.4 would nearly be a half inch. But Honda OE pistons are metric, measured in millimeters. Not sure what the HL kit uses though.
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