The Yamaha WR125 was a two-stroke, single cylinder motorcycle produced between 1997 and 2000. It had a capacity of 124cc and a bore x stroke of 54 x 4 mm. The cooling system was liquid-cooled and had a compression ratio of 8.8:1. The bike was fueled through a carburetor, while the ignition was CDI-based. The bike had a kick start option. The Yamaha WR125 had a six-speed transmission and a chain-driven final drive. It featured a Marzocchi “Upside-Down” telescopic hydraulic fork with advanced axle for the front suspension, and a Sachs progressive “Soft Damp” type with single hydraulic shock absorber, spring preload, and compression and rebound adjustment for the rear suspension. The front and rear brakes were single-disc, and it had an 80/90-21 front tire and a 110/80-18 rear tire. The bike weighed 99 kg and had a fuel capacity of 9.5 liters. The Yamaha WR125 was reviewed in Motosprint 1990 Group Test, but there is no available information regarding its maximum power and torque output.
Technical specifications:
Make Model: Yamaha WR 125
| Year | 1997 – 00 |
|---|---|
| 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 |
