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In this video we show a dyno test with a GasGas EC250 (2018/2019) with VHM cylinder head, insert and CDI unit versus standard. These VHM parts also fit the Rieju MR250 2021. Dyno graph with engine power (HP) and engine torque (Nm) to revolutions (rpm) is shown near the end of the video.

00:13 Testing standard versus VHM head & CDI
00:27 Warming up the engine
00:36 Making several dyno runs

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