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Honda NX 650 Dominator

Make Model
Honda NX 650 Dominator

Year
1999

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 carburetor

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°

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 ¼ Mile
13.9 sec / 147.8 km/h

Top Speed
160.8 km/h

The Dominator, launched in 1988, is a middleweight 'dual sport' bike, with a torquey, air-cooled single-cylinder engine in a simple, trailbike chassis. Less capable off-road than its styling might suggest, the Dominator is best kept on the Tarmac, where its long-travel suspension and trail-type wheels and tyres work well on poorly surfaced roads.

A compact half-fairing moulds into the fuel tank, giving smooth, aerodynamic looks, while a brushed aluminium bashplate under the frame and twin underseat 'shotgun' silencers complete the attractive styling.

The engine is rather dated: its four-valve design is unchanged since 1988, and while the big single is strong low-down, it becomes breathless over 115km/h (70mph).