Yamaha YZ 85 - 2007 Specifications and Reviews
The 2007 Yamaha YZ 85 is a lightweight motocross machine designed for young riders and beginners transitioning to competitive racing. Powered by a liquid-cooled 85cc single-cylinder two-stroke engine, it delivers impressive power delivery with manageable control. Known for its agile handling and accessible seat height, the YZ 85 remains an ideal platform for developing fundamental riding skills.
General information | |
| Category | Cross / motocross |
| Year | 2007 |
| Model | Yamaha YZ 85 |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Ignition | CDI |
| Fuel system | Carburettor. PWK28 x 1 |
| 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 | 1,257 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. |
| Dry weight | 66.2 kg (146.0 pounds) |
Yamaha YZ 85 dimensions and frame | |
| Rear brakes diameter | 146 mm (5.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 198 mm (7.8 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 90/90-M14 |
| Front tyre dimensions | 70/80-M17 |
| Rear suspension | Swingarm (link, suspension), coil spring/gas-oil damper, 11.3´ |
| Front suspension | Telescopic Fork, coil spring/oil damper, 10.8´ |
Speed and acceleration | |
| Fuel capacity | 4.92 litres (1.30 gallons) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track85%
City5%
Cornering80%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a small-wheeled competition motocrosser built specifically for younger or smaller, developing riders, not adults or beginners to motorcycling in general. |
| Purpose | Designed purely for amateur motocross racing and off-road training on tracks scaled to junior riders. |
| Rider Fit | Its tiny 66 kg dry weight and low-for-motocross seat height suit lighter, smaller riders such as pre-teens and young teenagers rather than full-sized adults. |
| Character | A high-strung, free-revving two-stroke that rewards aggressive clutch and throttle work with sharp, flickable handling on rough terrain. |
| Not Ideal For | This is not suitable for adult commuting, highway travel, two-up riding, or anyone seeking comfort, storage, or long-distance capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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