The Yamaha WR 125 was a two-stroke, single-cylinder motorcycle produced between 1990 and 1996. It had a liquid-cooled engine with a capacity of 124cc and a compression ratio of 8.8:1. The bike used a carburetor for induction and CDI for ignition. The WR 125 had a six-speed transmission and a chain final drive. The front suspension was a Marzocchi “Upside-Down” telescopic hydraulic fork with advanced axle, while the rear suspension was a Sachs progressive “Soft Damp” type with a single hydraulic shock absorber. Both had compression and rebound adjustment. The front and rear brakes were both single disc. The bike had a dry weight of 99kg and a fuel capacity of 9.5 liters. Its front tire measured 80/90-21, while the rear tire measured 110/80-18. A road test conducted by Motosprint in 1990 found the Yamaha WR 125 performed well in a group test.
Technical specifications:
Make Model: Yamaha WR 125
| Year | 1990 – 96 |
|---|---|
| Engine | Two stroke, single cylinder |
| Capacity | 124 cc / 7.6 cu-in |
| Bore x Stroke | 54 x 4 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 8.8;1 |
| Induction | Car4buretor |
| Ignition | CDI |
| Starting | Kick |
| Max Power | NA |
| Max Torque | NA |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | Marzocchi “Upside-Down” telescopic hydraulic fork with advanced axle; compression and rebound stroke adjustment |
| Rear Suspension | Sachs progressive “Soft Damp” type with single hydraulic shock absorber; spring preload adjustment, compression and rebound adjustment |
| Front Brakes | Single disc |
| Rear Brakes | Single disc |
| Front Tyre | 80/90-21 |
| Rear Tyre | 110/80-18 |
| Dry Weight | 99 kg / 218 lbs |
| Fuel Capacity | 9.5 Litres / 2.5 US gal |
| Road Test | Motosprint 1990 Group Test |
