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
| 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 |
