2002 Yamaha TT-R 90 specifications

Available technical data for this model and year. Specifications can vary by market and version.

Technical specifications

Displacement	89.0 ccm (5.43 cubic inches)
Engine type	Single cylinder, four-stroke
Power	5.6 HP (4.1 kW )) @ 7000 RPM
Torque	6.1 Nm (0.6 kgf-m or 4.5 ft.lbs) @ 4000 RPM
Compression	8.5:1
Bore x stroke	47.0 x 51.8 mm (1.9 x 2.0 inches)
Fuel control	Single Overhead Cams (SOHC)
Cooling system	Liquid
Front brakes	Expanding brake
Rear brakes	Expanding brake
Dry weight	60.0 kg (132.3 pounds)
Seat height	625 mm (24.6 inches) If adjustable, lowest setting.
Overall height	865 mm (34.1 inches)
Overall length	1525 mm (60.0 inches)
Overall width	605 mm (23.8 inches)
Ground clearance	157 mm (6.2 inches)
Wheelbase	1040 mm (40.9 inches)

Source: Bikez: TT-R 90, 2002. Retrieved 2026-09-19. Match confidence: exact.

Years listed are the entries held in this archive, rather than a complete production history.