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Yamaha TT-R90 E - 2004 Specifications and Reviews

2004
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General information

CategoryMinibike, cross
Year2004
ModelYamaha TT-R90 E

Engine and Transmission Specifications

Transmission typefinal driveChain
Cooling systemLiquid
Fuel controlSOHC
Bore x stroke47.0 x 51.8 mm (1.9 x 2.0 inches)
Compression8.5:1
Torque6.10
Power5.49
Stroke4
Engine typeSingle cylinder
Capacity:89.00 ccm (5.43 cubic inches)

Physical measures and capacities

Wheelbase1,040 mm (40.9 inches)
Ground clearance172 mm (6.8 inches)
Overall width605 mm (23.8 inches)
Overall length1,525 mm (60.0 inches)
Overall height865 mm (34.1 inches)
Seat height625 mm (24.6 inches) If adjustable, lowest setting.
Dry weight60.0 kg (132.3 pounds)
 
 

Yamaha TT-R90 E dimensions and frame

Rear brakes diameter110 mm (4.3 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter95 mm (3.7 inches)
Front brakesExpanding brake (drum brake)
Rear suspension travel95 mm (3.7 inches)
Rear suspensionSwinging arm (monocross)
Front suspension travel110 mm (4.3 inches)
Front suspensionTelescopic fork

Speed and acceleration

Power/weight ratio0.0915 HP/kg
 
 

Other specs

Color optionsBlue

Rider Reviews

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