Hi guys,
How do Yamaha reduce the horsepower of the Vmaxes??
Is it just by changing the exhaust pipes?
Thanks
Regards
>Hey Marcus, I have a 2000 also. The motor produces 140 horsepower in 1985
>they produced 145 because of the exhaust. in 1986 they had to muffle it
>more(D.O.T.was bitching) so they played with the engine to try and keep the
>horsepower the same even thou more restricted exhaust. I believe they
>enlarged the exhaust valves and a couple other things any one who knows can
>jump in now!
>
> Kurt 2000 Max
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