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.
General information | |
| Category | Cross / motocross |
| Year | 2004 |
| Model | Yamaha YZ 85 |
Engine and Transmission Specifications | |
| Cooling system | Liquid |
| Fuel control | DOHC |
| Valves per cylinder | 5 |
| Bore x stroke | 47.5 x 47.8 mm (1.9 x 1.9 inches) |
| Compression | 8.2:1 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 84.70 ccm (5.17 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,255 mm (49.4 inches) |
| Ground clearance | 351 mm (13.8 inches) |
| Overall width | 758 mm (29.8 inches) |
| Overall length | 1,818 mm (71.6 inches) |
| Overall height | 1,161 mm (45.7 inches) |
| Seat height | 864 mm (34.0 inches) If adjustable, lowest setting. |
| Dry weight | 66.0 kg (145.5 pounds) |
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Yamaha YZ 85 dimensions and frame | |
| Rear brakes diameter | 146 mm (5.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 90/100-14 |
| Front tyre dimensions | 70/100-17 |
| Rear suspension travel | 282 mm (11.1 inches) |
| Rear suspension | Swinging arm (monocross) |
| Front suspension travel | 275 mm (10.8 inches) |
| Front suspension | Telescopic fork |
Speed and acceleration | |
| Color options | Blue |






































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