Engine Type: 4-stroke, Single Cylinder

Displacement: 173. cm³

Bore and Stroke: 65.0 x 52.4 mm

Compression Ratio: 9.0 : 1

Valve System: SOHC, 2 valves

Carburetion System: Carburetor, Mikuni, VM24

Ignition System: CDI

Starting System: Kick (BC175A); Kick/Electric (BC175B)

Cooling System: Air Cooled

Lubrication System: Force Lubrication (wet sump)

Engine Oil Rating: API SE, SF, or SG API SH or SJ with JASO MA SAE 10W-40

Engine Oil Capacity: 1.4 Li. Spark Plug: NGK C8E Ignition Timing (Electronically Advanced): 10° BTDC @ 1,300 RPM – 30° BTDC @ 4,000 RPM