| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Yamaha |
| Model Name | TT-R 90 |
| Year | 2006 |
| Category(class) | Enduro |
| Engine |
|---|
| Engine Capacity (Displacement) | 89 ccm (5.43 cubic inches) |
| Engine Type | Single cylinder |
| Bore x Stroke | Ø47.0 mm x 51.8 mm (Ø1.85 inches x 2.04 inches) |
| Bore/Stroke Ratio | 0.91 |
| Compression Ratio | 8.5:1 |
| Stroke | 4 |
| Timing System | SOHC |
| Fuel System(Carburetion) | Carburettor. Mikuni TMX38 |
| Ignition | CDI |
| Starter System | Kick |
| Lubrication System | Premix |
| Cooling System | Liquid |
| Powertrain |
|---|
| Clutch | Wet, multiple-disc |
| Gearbox | 5 speed |
| Transmission (Final Drive) | Chain |
| Chassis/Suspension/Brakes |
|---|
| Front Suspension | Telescopic fork |
| Front Suspension Travel | 110 mm (4.33 inches) |
| Rear Suspension | Swinging arm (monocross) |
| Rear Suspension Travel | 125 mm (4.92 inches) |
| Front Brakes | Expanding brake (drum brake) |
| Front Brakes Diameter | Ø95 mm (Ø3.74 inches) |
| Rear Brakes | Expanding brake (drum brake) |
| Rear Brakes Diameter | Ø110 mm (Ø4.33 inches) |
| Front Tire | 70/90-M17 |
| Rear Tire | 90/90-M14 |
| Dimensions |
|---|
| Overall Length | 1525 mm (60.04 inches) |
| Overall Width | 605 mm (23.82 inches) |
| Overall Height | 865 mm (34.06 inches) |
| Seat Height | 625 mm (24.61 inches) |
| Wheelbase | 1040 mm (40.94 inches) |
| Ground Clearance | 172 mm (6.77 inches) |
| Dry Weight | 60.0 kg (132 lb) |
| Fuel Capacity | 8.00 litres (2.11 gallons) |
| Performance |
|---|
| Max Power | 5.49 HP (4.0 kW) at 7000 RPM |
| Max Torque | 6.10 Nm (4.49 ft*lbs) |
| Power/Weight Ratio | 0.08 Hp/Kg |
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | - |
| 0-60 mph | - |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
