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Honda NX650 Domminator (1989)

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Honda NX 650 Dominator (1990)

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 was a 1989 model motorcycle with a four-stroke, single cylinder, SOHC engine that had a 644cc capacity and was air-cooled. It had a compression ratio of 8.3:1, single 40mm Keihin VE-type carb induction, and digital CDI ignition. The engine produced 45 horsepower at 6000 rpm and 53 Nm of torque at 5000 rpm. The bike had a wet, multiple discs clutch and a 5-speed transmission. The front suspension was a 41mm leading-axle fork, while the rear was a Pro-Link with a rear wheel travel of 195mm. The front and rear brakes were single discs with 2 piston calipers and 1 piston calipers, respectively. The motorcycle had a wheelbase of 1435mm, seat height of 870mm, and ground clearance of 250mm. Its dry weight was 163kg and had a fuel capacity of 16 litres, with an average consumption of 17.8km/lit. The bike had a top speed of 160.8 km/h and could reach 100 mph. It was tested by Motosprint Group in 1989 and ran a quarter-mile in 13.9 seconds with a top speed of 147.8 km/h. The braking distance from 60 to 0 km/h was 13.8 meters and the 100 to 0 km/h distance was 40.4 meters.


Technical specifications:

Make Model: Honda NX 650 Dominator

Motorcycle technical specifications
Year1989
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 1989