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Motorcycles Specs > Honda > Yamaha TT-R90

Yamaha TT-R90 Specs

The Yamaha TT-R90 model is a Enduro / offroad bike manufactured by Yamaha . In this version sold from year 2006 , the dry weight is 60.0 kg (132.3 pounds) and it is equiped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of 5.49 HP (4.0 kW) @ 7000 RPM and a maximum torque of 6.10 Nm (0.6 kgf-m or 4.5 ft.lbs) . With this drive-train, the Yamaha TT-R90 is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha TT-R90 have a  frame with front suspension being Telescopic fork and in the rear suspension it is equiped with Swinging arm (monocross) . Stock tire sizes are 70/90-M17 on the front, and 90/90-M14 on the rear. As for stopping power, the Yamaha TT-R90 braking system includes Expanding brake (drum brake) size 95 mm (3.7 inches) at the front and Expanding brake (drum brake) size 110 mm (4.3 inches) at the rear. 

Yamaha TT-R90 General Information

Brand Yamaha 
Model Yamaha TT-R90 
Year 2006 
Year 2006 
Category Enduro / offroad 
Factory Warranty (Years / miles)  

Yamaha TT-R90 Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase 1,040 mm (40.9 inches) 
Length 1,525 mm (60.0 inches) 
Width 605 mm (23.8 inches) 
Height 865 mm (34.1 inches) 
Seat Height 625 mm (24.6 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance 172 mm (6.8 inches) 
Trail size  
Wheels details  
Front Tyres - Rims dimensions 70/90-M17 
Rear Tyres - Rims dimensions 90/90-M14 
Front brakes Expanding brake (drum brake) 
Rear brakes Expanding brake (drum brake) 
Front Brakes Dimensions - Disc Dimensions 95 mm (3.7 inches) 
Rear Brakes Dimensions - Disc Dimensions 110 mm (4.3 inches) 
Curb Weight (including fluids)  
Dry Weight 60.0 kg (132.3 pounds) 
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio : 0.0915 HP/kg 
Fuel Tank Capacity 8.00 litres (2.11 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension Telescopic fork 
Front Suspension Travel 110 mm (4.3 inches) 
Rear Suspension Swinging arm (monocross) 
Rear Suspension Travel 125 mm (4.9 inches) 

Yamaha TT-R90 Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details  
Fuel system Carburettor. Mikuni TMX38 
Engine size - Displacement - Engine capacity 89.00 ccm (5.43 cubic inches) 
Bore x Stroke 47.0 x 51.8 mm (1.9 x 2.0 inches) 
Compression Ratio 8.5:1 
Number of valves per cylinder  
Camshaft Valvetrain Configuration SOHC 
Maximum power - Output - Horsepower 5.49 HP (4.0 kW) @ 7000 RPM 
Maximum torque 6.10 Nm (0.6 kgf-m or 4.5 ft.lbs) 
Engine Maximum RPM  
Cooling system Liquid 
Lubrication system Premix 
Engine oil capacity  
Exhaust system  
Gearbox 5-speed 
Transmission type, final drive ratio Chain 
Clutch type Wet, multiple-disc 
Driveline  

Yamaha TT-R90 Performance

Top Speed  
Acceleration 0 to 100 km/h (0 to 62 mph)  
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency  
CO2 emissions  
Emissions  

Yamaha TT-R90 Electrical Systems, Ignition and Equipment

Ignition Type CDI 
Electrical Details  
Starter Type Kick 
Instruments  
Lights