Integral cylinder head, compact engine structure, low noise;
Small cylinder diameter and large stroke structure, strong engine climbing performance;
Lightweight piston and piston ring design, reducing reciprocating inertia force of the piston, more conducive to power output;
The use of reduced pressure valve camshaft makes foot starting more convenient;
The integrated full water cooling system has good engine heat dissipation, low overall temperature, higher durability and reliability, and very stable power output.
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