14 August. Friday 2026
Yamaha YZ85LW - 2009 Specifications and Reviews
The 2009 Yamaha YZ85LW is a liquid-cooled 85cc off-road bike designed for young and smaller-framed riders learning motocross and trail riding. Known for its lightweight construction and manageable power delivery from its single-cylinder two-stroke engine, it delivers responsive handling and reliability for entry-level competition and recreational riding.
General information | |
| Category | Enduro / offroad |
| Year | 2009 |
| Model | Yamaha YZ85LW |
Engine and Transmission Specifications | |
| Clutch | Wet, multiple-disc coil spring |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Premix |
| Starter | Kick |
| Ignition | CDI |
| Fuel system | Carburettor. Keihin PWK28/1 |
| 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 | 1,255 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. |
| Weight incl. oil, gas, etc | 71.0 kg (156.5 pounds) |
| | |
Yamaha YZ85LW dimensions and frame | |
| 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 | 90/100-14 |
| Front tyre dimensions | 70/100-17 |
| Rear suspension travel | 282 mm (11.1 inches) |
| Rear suspension | Swingarm (link suspension) |
| Front suspension travel | 275 mm (10.8 inches) |
| Front suspension | Telescopic forks |
| Trail | 106 mm (4.2 inches) |
| Frame type | Semi-double cradle |
Speed and acceleration | |
| Color options | Blue |
| Oil capacity | 0.50 litres (0.03 quarts) |
| Fuel capacity | 5.00 litres (1.32 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%
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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