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CB77 Specifications and Information




Engine

Bore and Stroke

60.0 x 54mm (2.36 x 2.12in
Compression Ratio 9.5:1
Displacement 305cc
Contact Breaker Gap 0.3~0.4mm (0.12~0.16in.)
Spark Plug Gap 0.6~0.7mm (0.035in.)
Valve Tappet Clearance Intake 0.1mm (0.004in.) Exhaust 0.1mm (0.004in.)
Spark Plug Type C7HW or C10H

Fluid Capacities

Engine Oil 1.2 liter (0.46gal.)
Fuel Tank 14 liter (3.7gal.)

Oil Recommendation

General Purpose SAE 10W-30
Above 50 deg F. SAE 20W-40

Tires

Front 2.75-18
Rear 3.00-18
Cold Tire Pressure - Front 26 lb. Up to 200 lb. Load
Cold Tire Pressure - Rear 28 lb. Up to Capacity Load 32 lb. Up to Capacity Load

Misc.

Vehicle Weight 350 lb.
Clutch Lever Free Play 2-3cm. (.75-1.25in.)
Idle Speed 1200 RPM
Chain Deflection .75in.

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