Quote:
Originally Posted by Whiskey
Pre gen is widely quoted as 40bhp (at least by insurers over here)
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I think the insurers are a little optimistic. Even the pre-gen service manual states 38 PS for the 1986/1987 model (
post link), while the rev limit and timing was cut back during the pre-gen's run afterwards. The rear-wheel dyno differences from the later pre-gens and the 2008+ bikes are 1 or 2 hp apart.