Anyone knows anything about tuning a Johnson 20hp,1990,Two-stroke to 30hp??
I do gladly accept any advice on that!
matts


"swedishconnection" wrote in message
...
I have a Johnson 20hp,1990,Two-stroke.Just run 60 hours.
To pull waterskies with my Zodiac I need 10 more hp.
Does anyone know how complicated it is to "scare" the motor to 30 hp?
How is it done?
Grateful for any tip!
matts