Yamaha GX250SP

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Yamaha-GX-250-SP-78.jpg
Yamaha GX250SP
Manufacturer
Production 1978
Engine
Four stroke parallel twin-cylinder OHC 2 valve per cylinder
Compression ratio 9.6:1
Transmission 6 Speed
Suspension Front: Telescopic forks
Rear: Dual shocks
Brakes Front: Single disc
Rear: Single disc
Front Tire 3.00-18
Rear Tire 3.25-18
Weight 168 kg (dry),
Recommended Oil Yamalube 10w-40
Manuals Service Manual



Engine[edit | edit source]

The engine was a Air-cooled cooled Four stroke parallel twin-cylinder OHC 2 valve per cylinder. The engine featured a 9.6:1 compression ratio.

Chassis[edit | edit source]

It came with a 3.00-18 front tire and a 3.25-18 rear tire. Stopping was achieved via Single disc in the front and a Single disc in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Dual shocks. The GX250SP was fitted with a fuel tank. The bike weighed just 168 kg.

Photos[edit | edit source]

Yamaha GX250SP Yamaha GX250SP

Overview[edit | edit source]

Yamaha GX 250SP









Make Model Yamaha GX 250SP
Year 1978
Engine Type Four stroke parallel twin-cylinder OHC 2 valve per cylinder
Displacement 248
Bore X Stroke 55 х 52.4 mm
Cooling System Air-cooled
Compression 9.6:1
Induction Carburetor
Starting Kick
Max Power 25 hp @ 9500 rpm
Max Torque 1.9 k-m @ 8500 rpm
Transmission 6 Speed
Final Drive Chain
Front Suspension Telescopic forks
Rear Suspension Dual shocks
Front Brakes Single disc
Rear Brakes Single disc
Front Tire 3.00-18
Rear Tire 3.25-18
Dry Weight 168 kg
Fuel Capacity