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Yamaha YZ 85 - 2004 Specifications and Reviews

The 2004 Yamaha YZ 85 is a lightweight motocross bike designed for young and intermediate riders stepping up from smaller machines. Powered by a 84.7cc liquid-cooled single-cylinder engine with five valves per cylinder, it delivers responsive performance ideal for learning advanced riding techniques on the track. Known for its manageable seat height and compact dimensions, the YZ 85 offers the perfect balance of power and control for developing riders.

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General information

CategoryCross / motocross
Year2004
ModelYamaha YZ 85

Engine and Transmission Specifications

Cooling systemLiquid
Fuel controlDOHC
Valves per cylinder5
Bore x stroke47.5 x 47.8 mm (1.9 x 1.9 inches)
Compression8.2:1
Stroke2
Engine typeSingle cylinder
Capacity:84.70 ccm (5.17 cubic inches)

Physical measures and capacities

Wheelbase1,255 mm (49.4 inches)
Ground clearance351 mm (13.8 inches)
Overall width758 mm (29.8 inches)
Overall length1,818 mm (71.6 inches)
Overall height1,161 mm (45.7 inches)
Seat height864 mm (34.0 inches) If adjustable, lowest setting.
Dry weight66.0 kg (145.5 pounds)
 
 

Yamaha YZ 85 dimensions and frame

Rear brakes diameter146 mm (5.7 inches)
Rear brakesSingle disc
Front brakes diameter220 mm (8.7 inches)
Front brakesSingle disc
Rear tyre dimensions90/100-14
Front tyre dimensions70/100-17
Rear suspension travel282 mm (11.1 inches)
Rear suspensionSwinging arm (monocross)
Front suspension travel275 mm (10.8 inches)
Front suspensionTelescopic fork

Speed and acceleration

Color optionsBlue

Rider Reviews

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