Seller notes

NOTE:1. For new motor run-in period is 300km at least.2. During run-in period, it is prohibited to accelerate throttle handle too fast, you can grip the handle slowly (step by step), or the motor will be locked up.3. Mixing ratio of fuel and engine oil: 16:1 for new sets, 20:1 after running 500km. Key Product Features Please kindly note this YD100 kit is AssembledYD100 CDH50mm Gas Motor Kit 79CC/80CCGasoline motor: YD100-CDH100CC(Real Displacement is 79CC/80CC)Bore and Stroke: 50mm x 40mmCylinde...

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