26 September. Tuesday 2023
General information | |
| Category: | Enduro / offroad |
| Year: | 2006 |
| Model: | Yamaha TT-R90 |
Engine and Transmission Specifications | |
| Clutch: | Wet, multiple-disc |
| Transmission type,final drive: | Chain |
| Gearbox: | 5-speed |
| Cooling system: | Liquid |
| Lubrication system: | Premix |
| Ignition: | CDI |
| Fuel control: | SOHC |
| Fuel system: | Carburettor. Mikuni TMX38 |
| Bore x stroke: | 47.0 x 51.8 mm (1.9 x 2.0 inches) |
| Compression: | 8.5:1 |
| Torque: | 6.10 Nm (0.6 kgf-m or 4.5 ft.lbs) |
| Power: | 5.49 |
| Engine type: | Single cylinder, four-stroke |
| Capacity: | 89.00 ccm (5.43 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter: | 110 mm (4.3 inches) |
| Rear brakes: | Expanding brake (drum brake) |
| Front brakes diameter: | 95 mm (3.7 inches) |
| Front brakes: | Expanding brake (drum brake) |
| Rear tyre dimensions: | 90/90-M14 |
| Front tyre dimensions: | 70/90-M17 |
| Rear suspension travel: | 125 mm (4.9 inches) |
| Rear suspension: | Swinging arm (monocross) |
| Front suspension travel: | 110 mm (4.3 inches) |
| Front suspension: | Telescopic fork |
Physical measures and capacities | |
| Fuel capacity: | 8.00 litres (2.11 gallons) |
| Wheelbase: | 1,040 mm (40.9 inches) |
| Ground clearance: | 172 mm (6.8 inches) |
| Overall width: | 605 mm (23.8 inches) |
| Overall length: | 1,525 mm (60.0 inches) |
| Overall height: | 865 mm (34.1 inches) |
| Seat height: | 625 mm (24.6 inches) If adjustable, lowest setting. |
| Power/weight ratio: | 0.0915 HP/kg |
| Dry weight: | 60.0 kg (132.3 pounds) |
Other specs | |
| Starter: | Kick |
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