14 August. Friday 2026
Yamaha YZ85LW - 2013 Specifications and Reviews
The 2013 Yamaha YZ85LW is a lightweight 85cc two-stroke motocross bike designed for young and smaller-framed riders transitioning to competitive racing. Its liquid-cooled single-cylinder engine delivers punchy performance ideal for youth motocross competition, while the six-speed transmission and agile chassis make it best known for handling tight tracks with precision and control.
General information | |
| Category | Cross / motocross |
| Year | 2013 |
| Model | Yamaha YZ85LW |
| | |
Engine and Transmission Specifications | |
| Driveline | Constant Mesh |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Premix |
| 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 |
| 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 |
| Front brakes diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 90/100-16 |
| Front tyre dimensions | 70/100-19 |
| Rear suspension travel | 287 mm (11.3 inches) |
| Rear suspension | Swingarm, (link suspension) |
| Front suspension travel | 274 mm (10.8 inches) |
| Front suspension | Upside-down telescopic fork |
| Trail | 106 mm (4.2 inches) |
| Rake (fork angle) | 27.0° |
| Frame type | Aluminium. Semi double cradle. |
Physical measures and capacities | |
| Oil capacity | 0.50 litres (0.03 quarts) |
| Fuel capacity | 5.00 litres (1.32 gallons) |
| Wheelbase | 1,286 mm (50.6 inches) |
| Ground clearance | 393 mm (15.5 inches) |
| Overall width | 757 mm (29.8 inches) |
| Overall length | 1,903 mm (74.9 inches) |
| Overall height | 1,161 mm (45.7 inches) |
| Seat height | 904 mm (35.6 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 73.0 kg (160.9 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | LW is an abbreviation for Large Wheels. |
| Color options | Team Yamaha Blue/White |
| Factory warranty | 30 Day (Limited Factory Warranty) |
Performance Profile & Rider Fit
Best For
Track85%
City5%
Cornering80%
Daily Riding5%
Touring3%
Passenger0%
Rider Profile
| Best For | This machine is built for developing riders, typically youth racers who have outgrown 65cc minis and are honing skills before stepping up to full-size motocross bikes. |
| Purpose | It is a dedicated amateur motocross competition bike designed for closed-course tracks, not a general-purpose or road-legal machine. |
| Rider Fit | Its low seat height, light wet weight, and compact dimensions suit smaller, lighter riders such as pre-teens and young teenagers rather than full-grown adults. |
| Character | The 2-stroke engine and lightweight chassis reward an aggressive, high-revving riding style with sharp, flickable handling on jumps and tight turns. |
| Not Ideal For | This is not suitable for adult riders, street use, touring, commuting, or anyone seeking a comfortable, low-maintenance everyday vehicle. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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