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Old 03-02-2011, 09:59 PM
matthurd matthurd is offline
Motorized Bicycle Elite Member
Join Date: Dec 2010
Location: manchester NH
Posts: 817
Default Re: four stroke engine.

not many low/mid end motors have more then 3HP from what iv'e seen, and in the size area we're talking about, most 4 strokes are like 2-2.5 HP from what iv'e seen, thing is that from what iv'e read even though the 4 strokes have less HP, it has more torque and thus more hill climbing power.

the 66cc 2 strokes generally have plenty of power for hills though, cost less and mount in frame better. sells some pretty nice 4 stroke kits from what iv'e read here though.

your specs are a bit too precise for me though but before you make any purchases i suggest you read this thread: don't want to buy an over powered motor get stopped and have no chance to register it under CA's set of laws now do you?

good luck.
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