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Enduro Bikes

2006Yamaha TT-R90

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The 2006 Yamaha TT-R90 is an entry-level enduro bike designed for young riders and beginners learning off-road fundamentals. Its lightweight frame and 89cc four-stroke engine deliver manageable power and torque, making it ideal for trail riding and skill development. Known for reliability and easy handling, the TT-R90 remains a popular choice for introducing riders to off-road motorcycling.

Capacity
89.0 ccm
Engine
Single, four-stroke
Gearbox
5-speed
Dry weight
60.0 kg
Seat height
625 mm
Power
5.5 HP (4.0 kW) @ 7000 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2006 Yamaha TT-R90

vs the 2005
Spec20052006
Power 5.6 HP (4.1 kW) 5.5 HP (4.0 kW) @ 7000 RPM
Torque 6.1 Nm (0.6 kgf-m or 4.5 ft.lbs) @ 4000 RPM 6.1 Nm (0.6 kgf-m or 4.5 ft.lbs)
Front brakes Expanding brake Expanding brake (drum brake)
Rear brakes Expanding brake Expanding brake (drum brake)
Other years 2002 2003 2004 2005 2006 2007

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 8Agility 70Comfort 30Off-road 65Touring 5Road manners 5
Off-road & trail65%
Cornering20%
City riding10%
Daily riding15%
Touring5%
Two-up0%
Track5%
Best for
Designed purely for gentle recreational trail riding and learning basic off-road skills at low speed.
Built for
A friendly, non-intimidating small-bore trail bike that prioritizes forgiving, predictable handling over outright performance.
Not ideal for
This is not suitable for adult highway riding, touring, carrying a passenger, or anyone seeking real speed or power.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 625mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2006 Yamaha TT-R90, with a cramped knee angle of around 50 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 750 mm or under — Short Kings →

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Full specifications

Engine
Capacity
89.0 ccm
Power
5.5 HP (4.0 kW) @ 7000 RPM
Torque
6.1 Nm (0.6 kgf-m)
Engine type
Single, four-stroke
Power/weight ratio
0.0917 HP/kg (dry)
Bore x stroke
47.0 x 51.8 mm
Compression
8.5:1
Cooling system
Air
Fuel system
Carburettor
Starting
Kick
Ignition
CDI
Lubrication system
Premix
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet, multiple-disc
Dimensions & weight
Wheelbase
1040 mm
Overall length
1525 mm
Overall width
605 mm
Overall height
865 mm
Seat height
625 mm
Dry weight
60.0 kg
Fuel capacity
8.00 litres
Ground clearance
172 mm
Chassis & suspension
Frame
Steel tube backbone
Front suspension
Telescopic fork
Rear suspension
Swinging arm (monocross)
Front wheel travel
110 mm
Rear wheel travel
95 mm
Brakes & wheels
Front brakes
Expanding brake (drum brake)
Front brakes diameter
95 mm
Rear brakes
Expanding brake (drum brake)
Rear brakes diameter
110 mm
Front tyre
70/90-M17
Rear tyre
90/90-M14

Specs last verified against published sources: .

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20022003200520062007
Capacity 89 cc 89 cc 89 cc 89 cc 89 cc
Dry weight 60 kg 60 kg 60 kg 60 kg 60 kg
Seat height 625 mm 625 mm 625 mm 625 mm 625 mm
Fuel capacity 8 L 8 L 8 L 8 L 4.2 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Yamaha TT-R90?

The 2006 Yamaha TT-R90 has a Capacity of 89.0 ccm (5.43 cubic inches).

What engine power does the Yamaha TT-R90 have?

The 2006 Yamaha TT-R90 has a Power of 5.5 HP (4.0 kW) @ 7000 RPM.

How many gears does the Yamaha TT-R90 have?

The 2006 Yamaha TT-R90 has a Gearbox of 5-speed.

What is the torque of the Yamaha TT-R90?

The 2006 Yamaha TT-R90 has a Torque of 6.1 Nm (0.6 kgf-m or 4.5 ft.lbs).

How much does the Yamaha TT-R90 weigh?

The 2006 Yamaha TT-R90 has a Dry weight of 60.0 kg (132.3 pounds).

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