What category is the 1991 Yamaha XJ 600 (reduced Effect)?

The 1991 Yamaha XJ 600 (reduced Effect) has a Category of Unspecified category.

What is the engine size of the 1991 Yamaha XJ 600 (reduced Effect)?

The 1991 Yamaha XJ 600 (reduced Effect) has a Capacity: of 599.00 ccm (36.55 cubic inches).

What type of engine does the 1991 Yamaha XJ 600 (reduced Effect) have?

The 1991 Yamaha XJ 600 (reduced Effect) has a Engine type of In-line four, four-stroke.

What is the engine power of the 1991 Yamaha XJ 600 (reduced Effect)?

The 1991 Yamaha XJ 600 (reduced Effect) has a Power of 50.00.

What is the top speed of the 1991 Yamaha XJ 600 (reduced Effect)?

The 1991 Yamaha XJ 600 (reduced Effect) has a Top speed of 177.0 km/h (110.0 mph).

Is the 1991 Yamaha XJ 600 (reduced Effect) air cooled or liquid cooled?

The 1991 Yamaha XJ 600 (reduced Effect) has a Cooling system of Air.

How many gears does the 1991 Yamaha XJ 600 (reduced Effect) have?

The 1991 Yamaha XJ 600 (reduced Effect) has a Gearbox of 6-speed.

How much does the 1991 Yamaha XJ 600 (reduced Effect) weigh?

The 1991 Yamaha XJ 600 (reduced Effect) has a Weight incl. oil, gas, etc of 212.0 kg (467.4 pounds).

Yamaha XJ 600 (reduced Effect) - 1991 Specifications and Reviews

Name: 1991 Yamaha XJ 600 (reduced Effect)
Brand: Yamaha

The 1991 Yamaha XJ 600 is a lightweight middleweight sport-tourer powered by a 599cc inline-four engine producing 50 horsepower. Its reduced-effect tuning makes it ideal for novice and intermediate riders seeking nimble handling and manageable power delivery. Known for reliability and versatility, this machine excels as both a commuter and weekend explorer.

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1991

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General information
Category	Unspecified category
Year	1991
Model	Yamaha XJ 600 (reduced effect)

Engine and Transmission Specifications
Transmission type,final drive	Chain
Gearbox	6-speed
Cooling system	Air
Fuel control	DOHC
Valves per cylinder	2
Bore x stroke	58.5 x 55.1 mm (2.3 x 2.2 inches)
Compression	10.0:1
Top speed	177.0 km/h (110.0 mph)
Power	50.00
Engine type	In-line four, four-stroke
Capacity:	599.00 ccm (36.55 cubic inches)

Brakes, suspension, Frame and wheels
Rear brakes	Single disc
Front brakes	Dual disc
Rear tyre dimensions	110/90-18
Front tyre dimensions	90/90-18
Physical measures and capacities
Fuel capacity	20.00 litres (5.28 gallons)
Weight incl. oil, gas, etc	212.0 kg (467.4 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

50 hp

Peak Power

5.8s

0-60 mph

110 mph

Top Speed

Best For

Track30%

City65%

Cornering55%

Daily Riding65%

Touring50%

Passenger45%

Rider Profile

Best For	This is a restricted, power-reduced version of the XJ600 aimed at newer or licence-limited riders rather than experienced speed seekers.
Purpose	It suits learners and commuters wanting an approachable, air-cooled four-cylinder machine for everyday street riding rather than sport or long-distance touring.
Rider Fit	At 212 kg with a modest seat height typical of naked 600s, it is manageable for shorter or less experienced riders without demanding strength.
Character	The bike offers smooth, understated in-line four power delivery with a relaxed, non-aggressive personality suited to relaxed street riding.
Not Ideal For	It is not suited to riders wanting strong acceleration, off-road capability, or a bike built for serious high-speed touring or track use.

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