Single cylinder, two-stoke, forced air cooled with rotary distribution, 5 transfer ports and reed valve induction with catalytic converter.

Displacement

149.56 cc

Bore

2.27 in./57.8 mm

Stroke

2.24 in./57.0 mm

Carburetor

Spaco-20/20D, Downdraft, 20 mm Venturi

Compression Ration

9.0 +/- 0.5 : 1

Max Output/Power

8 +/- 0.3 bhp @ 5500 +/- 200 RPM

Electronic Ignition System

Capacitor Discharge Ignition (CDI) Electronic

Ignition timing

20 +/- 2 degrees before TDC

Transmission

4 speed constant-mesh

Gearing

21/68 primary gears

Fuel

Unleaded 87 octane

Spark Plug

B6ES (NGK) or RN9YC (Champion)

Spark Plug Gap

0.7 ~ 0.8 mm

Clutch

Multiplate, oil bath type

Electrical Generator System

12 Volt 96 Watt (flywheel magneto)

Battery

12 Volt 9Ah

Fuse

8 Amp