Yamaha YZ 85 LW - 2006 Specifications and Reviews
The 2006 Yamaha YZ 85 LW is a lightweight motocross bike designed for young or beginner riders seeking an accessible entry point into competitive off-road racing. Its compact 85cc V-twin engine delivers manageable power with a five-speed transmission, while liquid cooling and carbureted fuel system ensure reliable performance on the track. This model is best known for providing approachable handling and control for developing riders learning fundamental motocross skills.
General information | |
| Category | Cross / motocross |
| Year | 2006 |
| Model | Yamaha YZ 85 LW |
| | |
Engine and Transmission Specifications | |
| Clutch | Wet, multiple-disc |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | Premix |
| Starter | Kick |
| Ignition | CDI |
| Fuel system | Carburettor. Mikuni TMX38 |
| Bore x stroke | 47.5 x 47.8 mm (1.9 x 1.9 inches) |
| Compression | 8.2:1 |
| Stroke | 4 |
| Engine type | V2 |
| 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. |
| Dry weight | 66.0 kg (145.5 pounds) |
Yamaha YZ 85 LW dimensions and frame | |
| Rear brakes diameter | 146 mm (5.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 90/90-M14 |
| Front tyre dimensions | 70/90-M17 |
| Rear suspension travel | 125 mm (4.9 inches) |
| Rear suspension | Swinging arm (monocross) |
| Front suspension travel | 275 mm (10.8 inches) |
| Front suspension | Telescopic fork |
Speed and acceleration | |
| Fuel capacity | 8.00 litres (2.11 gallons) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track70%
City5%
Cornering80%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a youth/small-adult competition motocross bike best suited to developing riders with prior dirt bike experience, not beginners on two wheels in general. |
| Purpose | Built purely for motocross racing on closed off-road tracks, note this is the larger-wheel (LW) variant aimed at bigger junior riders stepping up before a full-size bike. |
| Rider Fit | Its low seat height and light dry weight make it manageable for smaller or lighter riders, but the firm racing suspension and kick start demand decent physical fitness and technique. |
| Character | A high-revving, agile, purpose-built racer that rewards aggressive, committed riding and rapid direction changes over jumps and berms. |
| Not Ideal For | This is not suitable for road use, commuting, touring, carrying a passenger, or riders looking for a comfortable, low-maintenance everyday machine. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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