Honda NX650 Domminator (1989)

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.

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Technical specifications:

Make Model: Honda NX 650 Dominator

Year: 1989

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 1989