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5/5
Improvement of intake and exhaust efficiency kimo
Head has Bore up to 88 cc while leaving NORMAL and I have devised High Camshaft and Air cleaner, but after all Normal head has limits. Anyway the high speed range is painful. For STD HeadHigh Camshaft it became a little better but still around 9000 rotations only.
Even if Torque is abundant, it is SmallEngine Displacement VolumeEngine after all, so it will not be talked if you do not adjust to high rotation to get Power. In Tuning of Reciprocating engine, improvement of intake and exhaust efficiency is kimo.
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