What category is the 1990 KTM 500 MX?

The 1990 KTM 500 MX has a Category of Cross / motocross.

What is the engine size of the 1990 KTM 500 MX?

The 1990 KTM 500 MX has a Capacity: of 498.00 ccm (30.39 cubic inches).

What type of engine does the 1990 KTM 500 MX have?

The 1990 KTM 500 MX has a Engine type of Single cylinder.

What is the engine power of the 1990 KTM 500 MX?

The 1990 KTM 500 MX has a Power of 65.00.

What is the torque of the 1990 KTM 500 MX?

The 1990 KTM 500 MX has a Torque of 80.00.

Is the 1990 KTM 500 MX air cooled or liquid cooled?

The 1990 KTM 500 MX has a Cooling system of Liquid.

How much does the 1990 KTM 500 MX weigh?

The 1990 KTM 500 MX has a Dry weight of 103.0 kg (227.1 pounds).

What is the seat height of the 1990 KTM 500 MX?

The 1990 KTM 500 MX has a Seat height of 965 mm (38.0 inches) If adjustable, lowest setting..

KTM 500 MX - 1990 Specifications and Reviews

The 1990 KTM 500 MX is a heavyweight motocross machine built for aggressive racing and experienced riders. Its potent 498cc single-cylinder engine delivers 65 horsepower and strong torque, making it best known for dominating hard-packed tracks and demanding terrain. The lightweight 103kg frame and liquid cooling ensure sustained performance in competitive environments.

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1990

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General information
Category	Cross / motocross
Year	1990
Model	KTM 500 MX
Engine and Transmission Specifications
Clutch	wet 9 plates
Transmission typefinal drive	Chain
Cooling system	Liquid
Ignition	motoplat 176-1
Fuel system	Carburettor. Dell´Orto VHSP 38
Bore x stroke	89.0 x 80.0 mm (3.5 x 3.1 inches)
Torque	80.00
Power	65.00
Stroke	2
Engine type	Single cylinder
Capacity:	498.00 ccm (30.39 cubic inches)
Physical measures and capacities
Ground clearance	381 mm (15.0 inches)
Seat height	965 mm (38.0 inches) If adjustable, lowest setting.
Dry weight	103.0 kg (227.1 pounds)

KTM 500 MX dimensions and frame
Rear brakes	Single disc
Front brakes	Single disc
Rear suspension travel	340 mm (13.4 inches)
Rear suspension	WP
Front suspension travel	300 mm (11.8 inches)
Trail	300 mm (11.8 inches)

Speed and acceleration
Power/weight ratio	0.6311 HP/kg
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Modifications compared to previous model	bored by 2.5 mm, new multi adjustable fork
Fuel capacity	12.11 litres (3.20 gallons)

Performance Profile & Rider Fit

65 hp

Peak Power

Best For

Track40%

City5%

Cornering88%

Daily Riding5%

Touring8%

Passenger2%

Rider Profile

Best For	This is a demanding, fierce open-class two-stroke motocrosser best suited to experienced or expert off-road riders who can manage its abrupt powerband.
Purpose	Built purely for motocross competition, delivering explosive big-bore two-stroke power and light weight for racing on dirt tracks.
Rider Fit	Tall seat height, minimal suspension compliance for comfort, and a high-strung engine mean it demands strong physical fitness and confident body positioning.
Character	A raw, aggressive, hard-hitting machine with classic big-bore two-stroke character that rewards aggressive, committed riding.
Not Ideal For	This is not a bike for commuting, touring, passengers, or riders wanting a mellow, forgiving ride.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

1990 KTM 500 MX Rider Ergonomics Assessment

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Feet:

At 965mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 1990 KTM 500 MX, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

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MotorcycleDB Review

The 1990 KTM 500 MX is a powerful and versatile off-road motorcycle that was well ahead of its time. With its 495cc liquid-cooled engine and rugged suspension, this bike is capable of handling the toughest terrain with ease. The lightweight frame and nimble handling make it a favorite among motocross enthusiasts, while the smooth power delivery and wide-ratio transmission make it suitable for trail riding as well. The 1990 KTM 500 MX is a true classic that continues to impress riders with its performance and reliability. In addition to its impressive performance, the 1990 KTM 500 MX also has a timeless design that has aged well over the years. The bold graphics and striking color scheme give it a distinctive look that stands out on the track or trail. With its durable construction and legendary reputation, this bike has become a sought-after collectible for vintage motorcycle enthusiasts. Whether you're a seasoned rider or a collector, the 1990 KTM 500 MX is a must-have for anyone who appreciates the thrill of off-road riding.