Enduro Bikes
2005Yamaha TT-R90 E
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The 2005 Yamaha TT-R 90 E is a lightweight enduro designed for young and novice riders seeking affordable off-road capability. Its compact frame, low seat height, and manageable 89cc single-cylinder engine make it ideal for learning trail riding fundamentals. Known for reliability and ease of maintenance, this model remains a popular choice for entry-level off-road enthusiasts.
- Capacity
- 89.0 ccm
- Engine
- Single
- Gearbox
- 3-speed
- Dry weight
- 63.0 kg
- Seat height
- 625 mm
- Power
- 5.5 HP
What’s new for the 2005 Yamaha TT-R90 E
vs the 2004| Spec | 2004 | 2005 |
|---|---|---|
| Power | 5.5 HP (4.0 kW) | 5.5 HP |
| Dry weight | 60.0 kg (132.3 pounds) | 63.0 kg (138.9 pounds) |
| Fuel capacity | — | 4.20 litres (1.11 US gallons) |
| Gearbox | — | 3-speed |
| Rear suspension | Swinging arm (monocross) | Single shock |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists to introduce young riders to dirt biking on easy trails and open fields with minimal risk and simple, forgiving controls.
- Built for
- It behaves as a gentle, low-powered, easygoing trail companion with a low-stress 3-speed gearbox and mild engine character.
- Not ideal for
- It is not suitable for adult riders, highway use, passengers, or anyone seeking speed, long-distance touring, or serious technical off-road performance.
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
- Torque
- 6.1 Nm (0.6 kgf-m)
- Engine type
- Single
- Power/weight ratio
- 0.0873 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
- CDI
Transmission
- Gearbox
- 3-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple disc
Dimensions & weight
- Wheelbase
- 1039 mm
- Overall length
- 1524 mm
- Overall width
- 605 mm
- Overall height
- 866 mm
- Seat height
- 625 mm
- Dry weight
- 63.0 kg
- Fuel capacity
- 4.20 litres
- Ground clearance
- 160 mm
Chassis & suspension
- Front suspension
- Telescopic fork
- Rear suspension
- Single shock
- Front wheel travel
- 109 mm
- Rear wheel travel
- 94 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
- 70/100-19
- Rear tyre
- 90/100-14
Other
- Color options
- Team Yamaha Blue/White
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 2005 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 2005 Yamaha TT-R90 E has a Power of 5.5 HP.
How many gears does the Yamaha TT-R90 E have?
The 2005 Yamaha TT-R90 E has a Gearbox of 3-speed.
What is the torque of the Yamaha TT-R90 E?
The 2005 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 2005 Yamaha TT-R90 E has a Dry weight of 63.0 kg (138.9 pounds).
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