The Yamaha DT125 1988-89 motorcycle is a two-stroke, single cylinder, reed-valve engine with a capacity of 123cc/7.5 cu-in. Its bore x stroke is 56 X 50 mm and has a compression ratio of 6.8:1. The bike has autolube lubrication and an oil capacity of 1.2 liters. Its VM24 carburetor contributes to its performance, as well as the CDI ignition, and it starts with a kick. The Yamaha DT125 produces a maximum power of 14 hp/10.3 kW @ 6500 rpm and torque of 1.5 kgf-m/15.2 Nm @ 6500 rpm. It has a wet multiplate clutch and 6-speed transmission, with a final drive of a chain. Its front suspension is telescopic forks, with a rear monocross suspension. The front and rear brakes are single with a 230mm and 220mm disc, respectively. The front and rear tires of the bike are 2.75-21 and 4.10-18, respectively. The Yamaha DT125 measures 2135 mm in length, 820 mm in width, and 1255 mm in height, with a wheelbase of 1360 mm and seat height of 840 mm. The bike has a ground clearance of 270 mm, wet weight of 119.0 kg and a fuel capacity of 10 liters/2.2 gal. Its fuel consumption average is 20 km/lit and has a braking speed of 60-0/100-0 at 16.0 m/43.7 m. The Yamaha DT125 has a standing 1/4 mile of 16.9 sec/115.9 km/h and a top speed of 124.6 km/h/77.5 mph. The Yamaha DT125 (1988-89) has been featured in the Moto Sprint 1989 Group Test road test.
Technical specifications:
Make Model: Yamaha DT 125R
| Year | 1988-89 |
|---|---|
| Engine | Two stroke, single cylinder, reed-valve |
| Capacity | 123 cc / 7.5 cu-in |
| Bore x Stroke | 56 X 50 mm |
| Compression Ratio | 6.8:1 |
| Lubrication | Autolube |
| Oil Capacity | 1.2 Litres |
| Induction | VM24 carburetor |
| Ignition | CDI |
| Starting | Kick |
| Max Power | 14 hp / 10.3 kW @ 6500 rpm |
| Max Torque | 1.5 kgf-m / 15.2 Nm @ 6500 rpm |
| Clutch | Wet multiplate |
| Transmission | 6 speed |
| Final Drive | Chain |
| Front Suspension | Telescopic Forks |
| Rear Suspension | Monocross |
| Front Brakes | Single 230mm disc |
| Rear Brakes | Single 220mm disc |
| Front Tyre | 2.75-21 |
| Rear Tyre | 4.10-18 |
| Dimensions | Length 2135 mm / 81.0 in Width 820 mm / 32.2 in Height 1255 mm / 49.4 in |
| Wheelbase | 1360 mm / 53.5 in |
| Seat Height | 840 mm / 33.0 in |
| Ground Clearance | 270 mm / 10.6 in |
| Wet Weight | 119.0 kg / 262.4 lbs |
| Fuel Capacity | 10 Litres / 2.2 gal |
| Consumption Average | 20 km/lit |
| Braking 60 – 0 / 100 – 0 | 16.0 m / 43.7 m |
| Standing 1/4 Mile | 16.9 sec / 115.9 km/h |
| Top Speed | 124.6 km/h / 77.5 mph |
| Road Tests | Moto Sprint 1989 Group Test |
