What category is the 1990 Yamaha TT 600?

The 1990 Yamaha TT 600 has a Category of Enduro / offroad.

What is the engine size of the 1990 Yamaha TT 600?

The 1990 Yamaha TT 600 has a Capacity: of 600.00 ccm (36.61 cubic inches).

What type of engine does the 1990 Yamaha TT 600 have?

The 1990 Yamaha TT 600 has a Engine type of Single cylinder.

What is the engine power of the 1990 Yamaha TT 600?

The 1990 Yamaha TT 600 has a Power of 45.00.

What is the torque of the 1990 Yamaha TT 600?

The 1990 Yamaha TT 600 has a Torque of 50.00.

Is the 1990 Yamaha TT 600 air cooled or liquid cooled?

The 1990 Yamaha TT 600 has a Cooling system of Air.

How many gears does the 1990 Yamaha TT 600 have?

The 1990 Yamaha TT 600 has a Gearbox of 5-speed.

How much does the 1990 Yamaha TT 600 weigh?

The 1990 Yamaha TT 600 has a Dry weight of 140.0 kg (308.6 pounds).

What is the top speed of the 1990 Yamaha TT 600?

The 1990 Yamaha TT 600 has a Top speed of 146.0 km/h (90.7 mph).

Yamaha TT 600 - 1990 Specifications and Reviews

Name: 1990 Yamaha TT 600
Brand: Yamaha

The 1990 Yamaha TT 600 is a rugged single-cylinder enduro designed for adventure-minded riders tackling mixed terrain. Its 600cc air-cooled engine delivers manageable power and torque ideal for trail exploration and long-distance touring. Known for reliability and versatility, this bike excels as a capable all-rounder for both novice and experienced off-road enthusiasts.

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General information
Category	Enduro / offroad
Year	1990
Model	Yamaha TT 600
Engine and Transmission Specifications
Clutch	Wet plate
Gearbox	5-speed
Cooling system	Air
Starter	Kick
Ignition	CDI
Fuel control	SOHC
Valves per cylinder	4
Fuel system	Carburettor. 27mm Dual stage Teikei carb
Bore x stroke	95.0 x 84.0 mm (3.7 x 3.3 inches)
Compression	8.5:1
Torque	50.00
Power	45.00
Stroke	4
Engine type	Single cylinder
Capacity:	600.00 ccm (36.61 cubic inches)
Physical measures and capacities
Dry weight	140.0 kg (308.6 pounds)

Yamaha TT 600 dimensions and frame
Rear brakes diameter	150 mm (5.9 inches)
Rear brakes	Expanding brake (drum brake). 150mm Drum
Front brakes diameter	267 mm (10.5 inches)
Front brakes	Single disc. 2-piston calipers
Rear suspension	Alloy swinging arm single shock with adjustable dampers
Front suspension	Telescopic forks

Speed and acceleration
Power/weight ratio	0.3214 HP/kg
1/4 mile (0.4 km)	13.800 seconds
Top speed	146.0 km/h (90.7 mph)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Fuel consumption pr. 10 km (6.2 miles)	5.00 litres (1.32 gallons)
Fuel capacity	13.00 litres (3.43 gallons)

Performance Profile & Rider Fit

45 hp

Peak Power

6.5s

0-60 mph

90.7 mph

Top Speed

Best For

Track20%

City35%

Cornering55%

Daily Riding35%

Touring30%

Passenger15%

Rider Profile

Best For	Best suited to riders with at least some off-road or big-single experience, as the kick-start, tall stance, and abrupt torque delivery reward familiarity over novice confidence.
Purpose	Built as a lightweight, air-cooled enduro machine for trail riding, green-laning, and light competition rather than for outright speed or highway cruising.
Rider Fit	Riders need reasonable strength and stamina for kick-starting, standing on the pegs over rough terrain, and managing a firm, high-set suspension setup.
Character	Feels like a raw, purposeful dirt tool: light, flickable, torquey at low revs, and happiest when thrown around trails rather than ridden smoothly on tarmac.
Not Ideal For	Not a good fit for riders wanting sustained highway comfort, passenger touring, or modern braking and refinement.

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