29 October. Wednesday 2025
Yamaha YZ85 - 2012 Specifications and Reviews
General information | |
| Category | Cross / motocross |
| Year | 2012 |
| Model | Yamaha YZ85 |
| | |
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | CDI |
| Fuel system | Carburettor. Keihin PWK 28 |
| Bore x stroke | 47.5 x 47.8 mm (1.9 x 1.9 inches) |
| Compression | 8.2:1 |
| Engine details | Reed-valve inducted |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 85.00 ccm (5.19 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 190 mm (7.5 inches) |
| Rear brakes | Single disc. Hydraulic |
| Front brakes diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc. Hydraulic |
| Rear tyre dimensions | 90/100-14 |
| Front tyre dimensions | 70/100-17 |
| Rear suspension travel | 282 mm (11.1 inches) |
| Rear suspension | Single shock |
| Front suspension travel | 274 mm (10.8 inches) |
| Front suspension | Inverted fork |
| Frame type | Single-backbone, semi-double-cradle frame |
Physical measures and capacities | |
| Fuel capacity | 4.92 litres (1.30 gallons) |
| Wheelbase | 1,257 mm (49.5 inches) |
| Ground clearance | 351 mm (13.8 inches) |
| Overall width | 757 mm (29.8 inches) |
| Overall length | 1,821 mm (71.7 inches) |
| Overall height | 1,161 mm (45.7 inches) |
| Seat height | 864 mm (34.0 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 71.2 kg (157.0 pounds) |
Other specs | |
| Light | Dual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light |
| Starter | Electric |
| Wheelbase | 1,270 mm (50.0 inches) |
| Rear tyre | 20/10-9 |
| Front tyre | 21/7-10 |
| Rear Suspension | Cast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel |
| Front Suspension | Independent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound |
| Driveline | 2WD; Sealed O-Ring Chain, Eccentric Adjustment |
| Clutch | Drive Train |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Valves per cylinder | 5 |
| Bore x Stroke | 95.0 x 63.4 mm (3.7 x 2.5 inches) |
| Compression | 11.6:1 |
| Model | Yamaha YFZ450X SE |
| Color options | Blue/White |
| Factory warranty | 30 Days Limited Factory Warranty) |
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