2004 Yamaha YZ 85 specifications
Available technical data for this model and year. Specifications can vary by market and version.
Technical specifications
| Displacement | 84.7 ccm (5.17 cubic inches) |
|---|---|
| Engine type | Single cylinder, two-stroke |
| Compression | 8.2:1 |
| Bore x stroke | 47.5 x 47.8 mm (1.9 x 1.9 inches) |
| Valves per cylinder | 5 |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Cooling system | Liquid |
| Front suspension | Telescopic fork |
| Rear suspension | Swinging arm (monocross) |
| Front brakes | Single disc |
| Rear brakes | Single disc |
| Front tyre | 70/100-17 |
| Rear tyre | 90/100-14 |
| Dry weight | 66.0 kg (145.5 pounds) |
| Seat height | 864 mm (34.0 inches) If adjustable, lowest setting. |
| Overall height | 1161 mm (45.7 inches) |
| Overall length | 1818 mm (71.6 inches) |
| Overall width | 758 mm (29.8 inches) |
| Ground clearance | 351 mm (13.8 inches) |
| Wheelbase | 1255 mm (49.4 inches) |
Source: Bikez: YZ 85, 2004. Retrieved 2026-09-19. Match confidence: exact.
Years listed are the entries held in this archive, rather than a complete production history.
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