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Featuring a sturdy Rotax 650cc engine, the wacky looking Aprilia 6.5 Moto turned out to be an expensive gamble for Aprilia moto, who dedicated a production line to making this model in the mid 1990s. The engine is heavily based on the dohc, radial five-valve unit from Aprilia`s Pegaso 650 trail bike, modified with softer camshafts and a larger oil-pump, necessary because the crankshaft uses some plain bearings instead of needle-rollers, to reduce noise. |
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