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Yamaha Specifications

Yamaha XJ650 Turbo (1982-84)

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Yamaha XJ650 Turbo (1982-84)

At a glance

Capacity
653 cc / 39.8 cu-in
Power
90 hp / 67.1 kW @ 9000 rpm
Torque
8.33 kgf-m @ 7000 rpm

The full picture.

The Yamaha XJ650 Turbo was produced from 1982-84 with approximately 8000 units made. It features a four-stroke transverse four-cylinder engine with a turbocharger, DOHC, and 2 valves per cylinder. Its capacity is 653cc and it has a compression ratio of 8.2:1. The bike has an air-cooled cooling system and uses 4x 30mm pressurized Mikuni CVs carburetors for induction. Its maximum power is 90hp/67.1kW at 9000 RPM with 8.33 kgf-m @ 7000 RPM max torque. The bike has a wet multi-plate clutch and a 5-speed transmission with a shaft final drive. The front suspension is a 36mm Showa with 140mm wheel travel, and the rear suspension has dual Showa dampers with 79mm wheel travel and adjustments for air pressure and rebound damping. It has a front brake of 2x 266mm discs and a rear brake of a single 200mm drum, with a front tire size of 3.25-19 and a rear tire size of 120/90 V18. With a dry weight of 235kg/518lbs and wet weight of 257kg/566.5lbs, the fuel capacity is 19.5 liters/5.0 US gal with an average fuel consumption rate of 43.2 mpg. The bike is capable of completing a standing ¼ mile in 12.68 seconds at 106.13 mph.


Technical specifications:

Make Model: Yamaha XJ 650 Turbo

Motorcycle technical specifications
Year1982 – 84
Production’82: approx 6500, ’83: approx 1500
EngineFour stroke transverse four cylinder. turbocharged. DOHC, 2 valves per cylinder,
Capacity653 cc / 39.8 cu-in
Bore x Stroke63 52.4 mm
Cooling SystemAir-cooled
Compression Ratio8.2:1
Induction4x 30mm pressurized Mikuni CVs carburetors
IgnitionCDI
StartingElectric
Max Power90 hp / 67.1 kW @ 9000 rpm
Max Torque8.33 kgf-m @ 7000 rpm
ClutchWet, multi-plate
Transmission5 Speed
Final DriveShaft
Front Suspension36mm Showa 140mm wheel travel, adjustments for air pressure
Rear SuspensionDual Showa dampers, 79mm wheel travel, adjustments for air pressure, rebound damping
Front Brakes2x 266mm discs
Rear BrakesSingle 200mm drum
Front Tyre3.25-19
Rear Tyre120/90 V18
Dry Weight235 kg / 518 lbs
Wet Weight257 kg / 566.5 lbs
Fuel Capacity19.5 Litres / 5.0 US gal
Consumption Average43.2 mpg
Standing 1/4 Mile12.68 sec / 106.13 mph