Specifications

Engine Specifications
Engine Specifications
Displacement 420 cc (25.6 cubic inches)
Bore 90 mm (3.54”)
Compression ratio 8.5:1
Cranking pressure 55 – 80 psi
Charging system 3.75A DC/5A AC
Oil capacity 1.7L (57.5 oz)
Maximum speed 3300 +/- 100 RPM
Idle speed 1750 +/- 150 RPM