Honda NX250

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Honda NX250
Honda AX-1
 Honda AX-1
Honda AX-1
Manufacturer Honda
Also called Honda NX250 Dominator
Production 1988-1990
Class Dual-sport
Engine MD21E. 249 cc (15.2 cu in), liquid-cooled, four-stroke, DOHC, single[1]
Bore / stroke 70 mm × 64.8 mm (2.76 in × 2.55 in), 4-valves
Compression ratio 11.0:1
Power 19 kW (25 hp) @ 8500 rpm[1]
Transmission 6-speed manual
Frame type Tubular steel double cradle
Suspension Front: Telescopic
Rear: Swingarm
Brakes Front: Disc
Rear: Drum
AX-1: Disc
Tires Front: 19 in (480 mm)
Rear: 16 in (410 mm)
Wheelbase 1,350 mm (53 in)
Dimensions L: 2,040 mm (80 in)
W: 805 mm (31.7 in)
H: 1,115 mm (43.9 in)
Seat height 810 mm (32 in)
Weight 118 kg (260 lb)[citation needed] (dry)
133 kg (293 lb) (wet)
Fuel capacity 9 L (2.0 imp gal; 2.4 US gal)
Adv: 33 L (7.3 imp gal; 8.7 US gal)
Oil capacity 1.6 L (0.35 imp gal; 0.42 US gal)
Related Honda NX650 Dominator

The Honda NX250 was a new concept produced by Honda, a crossover dual-sport motorcycle available in the USA from 1988 through 1990. It was a lightweight bike intended for both on-road and off-road riding. The NX250 featured the new MD21E[1] engine which was a liquid-cooled, 249 cc, single-cylinder, four-valve, DOHC, four-stroke with an electric start. It had a bore and stroke of 70.0 mm × 64.8 mm (2.76 in × 2.55 in), 11 to 1 compression ratio, and a six-speed transmission. The suspension was 37 mm (1.5 in) forks with 8.7 inches travel up front, and Pro-Link with 7.9" in the rear. The NX250 had a 1,350 mm (53 in) wheelbase and a dry weight of 118 kg (260 lb). The seat height was 820 mm (32 in). In some countries Honda continued production of the NX250 up to 1993, where it was named Honda NX250 Dominator.


The Honda AX-1 was a modified version of Honda NX-250 intended only for the Japanese market but was offered in Oceania. Using the same chassis as the NX-250, the AX-1 came standard with alloy rims, aluminum Pro-Link rear suspension this time with a rear disc brake, dual round headlights, taller cams, stainless steel exhaust and different carburetor settings. The valve clearance check interval is every 24,000 miles (39,000 km).


  1. ^ a b c (1987). "Honda AX-1 launched" (in Japanese). Retrieved 2012-01-08.