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
What’s new for the 2006 Yamaha TT-R90
vs the 2005| Spec | 2005 | 2006 |
|---|---|---|
| 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) |
How it rides
Editorial estimate from the spec sheet - not lab tested- 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 usEngine
- 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 | 2002 | 2003 | 2005 | 2006 | 2007 |
|---|---|---|---|---|---|
| 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.
Rider Reviews
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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