Ossa Yankee 500Z (1971)

The Ossa Yankee 500Z is a vintage motorcycle model from 1971, with an air-cooled two-stroke parallel twin engine and a capacity of 488. The bore x stroke measurement is 72 x 60 mm, accompanied by an 8.0:1 compression ratio, and induction via 2x IRZ 24mm. The ignition and starting are handled by Motoplat electronic systems and kick mechanisms, respectively. The motorcycle reaches a maximum power output of 58 hp at 7500 rpm with maximum torque. The transmission system is a six-speed chain drive, while the front and rear suspensions are both single discs. The front tire of the motorcycle is 3.15 x 21, and the rear tire is 4.20 x 18. The dry weight of the Ossa Yankee 500Z is 158 Kg, and it’s equipped with an 18-liter fuel tank.

Technical specifications:

Make Model: Ossa Yankee 500Z

Year: 1971
Engine: Air cooled, two stroke, parallel twin,
Capacity: 488
Bore x Stroke: 72 x 60 mm
Compression Ratio: 8.0:1
Induction: 2x IRZ 24mm
Ignition / Starting: Motoplat electronic / kick
Max Power: 58 hp @ 7500 rpm
Max Torque:
Transmission / Drive: 6 Speed / chain
Front Suspension:
Rear Suspension:
Front Brakes: Single disc
Rear Brakes: Single disc
Front Tyre: 3.15 x 21
Rear Tyre: 4.20 x 18
Dry Weight: 158 Kg
Fuel Capacity: 18 Litres