boreing 01 400ex to a 420 what can i expect?

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do i need to change fuel to a higer octain and will my bike still be dependable are will it mess up a lot

2007-03-23 11:36:13 · 2 answers · asked by Anonymous in Cars & Transportation ➔ Motorcycles

old compression ratio was 10.1 now it is 11.1

2007-03-23 11:53:07 · update #1

go to higher octane, or av-gas (air plane fuel) or use an octane booster, the engine will run cleaner and live longer and go better

2007-03-23 17:15:33 · answer #1 · answered by greg e 4 · 0⤊ 1⤋

Expect it to be boring. 400cc (yawn).

2007-03-23 19:03:40 · answer #2 · answered by Anonymous · 0⤊ 1⤋