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 CDHpower 2 Stroke Gas Bicycle Motor Engine PK80 66cc/80cc; Bore and Stroke 47mmx40mm; better adjusting Clutch a little before ridingHigh hole Piston and Long connecting rod;Wide f...

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