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125 Engine Specs

brian r
in Scorpa

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Does anyone know where to find the engine specs? Bore, Stroke, valves, cam profile, flywheel weight?

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    • Author

    I found some on the TTR.

    Bore 54 mm

    Stroke 54 mm

    Compression Ratio 10 to 1

    Carb 20 mm Mikuni

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    • 2 weeks later...

    Does the Scorpa use the Yamaha TTR motor? How does it work for trials? I would think that it would be a fun bike to ride.

    exmxer

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