Enduro Bikes
2004Yamaha TT-R90 E
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The 2004 Yamaha TT-R90 E is a lightweight minibike designed for young riders and beginners learning fundamental motorcycle skills. Its compact 89cc air-cooled engine delivers manageable power while the low 625mm seat height and 60kg weight ensure accessibility. Built for off-road exploration and trail riding, it combines reliability with user-friendly handling.
- Capacity
- 89.0 ccm
- Engine
- Single
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 60.0 kg
- Seat height
- 625 mm
- Power
- 5.5 HP (4.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for light, low-speed recreational trail riding and learning basic off-road skills in a safe, controlled way.
- Built for
- A gentle, forgiving, and non-intimidating machine that prioritizes control and confidence-building over performance.
- Not ideal for
- Not suitable for adult-sized riders, highway use, touring, 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)
- Torque
- 6.1 Nm (0.6 kgf-m)
- Engine type
- Single
- 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
- Electric
- Ignition
- TCI
Transmission
- 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
- Ground clearance
- 172 mm
Chassis & suspension
- 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
Other
- Color options
- Blue
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 | 2004 | 2005 | 2006 | 2007 |
|---|---|---|---|---|
| Capacity | 89 cc | 89 cc | 89 cc | 89 cc |
| Dry weight | 60 kg | 63 kg | 60 kg | 63 kg |
| Seat height | 625 mm | 625 mm | 625 mm | 625 mm |
| Fuel capacity | — | 4.2 L | 4.2 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 E?
The 2004 Yamaha TT-R90 E has a Capacity of 89.0 ccm (5.43 cubic inches).
What engine power does the Yamaha TT-R90 E have?
The 2004 Yamaha TT-R90 E has a Power of 5.5 HP (4.0 kW).
What is the torque of the Yamaha TT-R90 E?
The 2004 Yamaha TT-R90 E has a Torque of 6.1 Nm (0.6 kgf-m or 4.5 ft.lbs).
How much does the Yamaha TT-R90 E weigh?
The 2004 Yamaha TT-R90 E has a Dry weight of 60.0 kg (132.3 pounds).
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