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Honda NX 650 Dominator (1991)

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Honda NX 650 Dominator (1991)

At a glance

Capacity
644 cc / 39.2 cu-in
Power
45 hp / 33.5 kW @ 6000 rpm
Torque
53 Nm / 5.7 kgf-m @ 5000 rpm
Seat height
870 mm / 24.2 in

The full picture.

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

Motorcycle technical specifications
Year1991
EngineFour-stroke, single cylinder, SOHC, 4 valve per cylinder
Capacity644 cc / 39.2 cu-in
Bore x Stroke100 x 82 mm
Cooling SystemAir cooled
Compression Ratio8.3:1
InductionSingle 40mm Keihin VE-type carb
IgnitionDigital CDI
StartingElectric
Spark PlugNGK, DPR 8EA-9
Engine OilSemi-Synthetic, 10W/40
Max Power45 hp / 33.5 kW @ 6000 rpm
Max Torque53 Nm / 5.7 kgf-m @ 5000 rpm
ClutchWet, multiple discs, cable operated
Transmission5 Speed
Final DriveChain
FrameSteel, Single cradle frame
Front Suspension41mm leading-axle fork
Front Wheel Travel220 mm / 8.6 in
Rear SuspensionPro-Link,
Rear Wheel Travel195 mm / 7.6 in
Front BrakesSingle 256mm disc 2 piston caliper
Rear BrakesSingle 220mm disc 1 piston caliper
Front Tyre90/90 21
Rear Tyre120/90 17
Fork Angle62 degrees
Trail115 mm / 4.5 in
Wheelbase1435 mm / 56.4 in
Seat Height870 mm / 24.2 in
Ground Clearance250 mm / 9.8 in
Dry Weight163 kg / 359.3 lbs
Wet Weight178 kg / 392.4 lbs
Fuel Capacity16 Litres / 4.2 US gal
Consumption Average17.8 km/lit
Braking 60 – 0 / 100 – 013.8 m / 40.4 m
Standing 1/4 Mile13.9 sec / 147.8 km/h
Top Speed160.8 km/h / 100 mph
Road TestMotosprint Group Test 1990