Honda NX 650 Dominator (1991)

The Honda NX 650 Dominator is a four-stroke, single cylinder, SOHC motorcycle with a capacity of 644 cc / 39.2 cu-in. Its engine has a compression ratio of 8.3:1 and is cooled by air. The bike has a maximum power of 45 hp / 33.5 kW @ 6000 rpm and maximum torque of 53 Nm / 5.7 kgf-m @ 5000 rpm. The transmission is a 5-speed with chain final drive. The frame is made of steel and has a single cradle frame. The front suspension has a 41mm leading-axle fork and the rear suspension is a Pro-Link. The front and rear brakes are single disc with 2 piston calipers and 1 piston caliper respectively. The bike has a fuel capacity of 16 Litres / 4.2 US gal and has an average consumption of 17.8 km/lit. The dry weight is 163 kg / 359.3 lbs and the wet weight is 178 kg / 392.4 lbs. The top speed is 160.8 km/h / 100 mph and it can go from 0-60 in 13.8 meters. It has a 62-degree fork angle and a ground clearance of 250 mm / 9.8 in. Road tests performed by the Motosprint Group show that the bike can complete a standing 1/4 mile in 13.9 sec / 147.8 km/h. The bike has a seat height of 870 mm / 24.2 in and a wheelbase of 1435 mm / 56.4 in. Overall, the Honda NX 650 Dominator is a powerful and reliable motorcycle.


Technical specifications:

Make Model: Honda NX 650 Dominator

Year: 1991


Engine: Four-stroke, single cylinder, SOHC, 4 valve per cylinder
Capacity: 644 cc / 39.2 cu-in
Bore x Stroke: 100 x 82 mm
Cooling System: Air cooled
Compression Ratio: 8.3:1
Induction: Single 40mm Keihin VE-type carb
Ignition: Digital CDI
Starting: Electric
Spark Plug: NGK, DPR 8EA-9
Engine Oil: Semi-Synthetic, 10W/40
Max Power: 45 hp / 33.5 kW @ 6000 rpm
Max Torque: 53 Nm / 5.7 kgf-m @ 5000 rpm
Clutch: Wet, multiple discs, cable operated
Transmission: 5 Speed
Final Drive: Chain

Frame: Steel, Single cradle frame
Front Suspension: 41mm leading-axle fork
Front Wheel Travel: 220 mm / 8.6 in
Rear Suspension: Pro-Link,
Rear Wheel Travel: 195 mm / 7.6 in
Front Brakes: Single 256mm disc 2 piston caliper
Rear Brakes: Single 220mm disc 1 piston caliper
Front Tyre: 90/90 21
Rear Tyre: 120/90 17
Fork Angle: 62 degrees
Trail: 115 mm / 4.5 in
Wheelbase: 1435 mm / 56.4 in
Seat Height: 870 mm / 24.2 in
Ground Clearance: 250 mm / 9.8 in
Dry Weight: 163 kg / 359.3 lbs
Wet Weight: 178 kg / 392.4 lbs
Fuel Capacity: 16 Litres / 4.2 US gal
Consumption Average: 17.8 km/lit
Braking 60 – 0 / 100 – 0: 13.8 m / 40.4 m
Standing 1/4 Mile: 13.9 sec / 147.8 km/h

Top Speed: 160.8 km/h / 100 mph
Road Test: Motosprint Group Test 1990

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