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Yamaha Specifications

Yamaha DT125 (1988-89)

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Yamaha DT125 (1988-89)

At a glance

Capacity
123 cc / 7.5 cu-in
Power
14 hp / 10.3 kW @ 6500 rpm
Torque
1.5 kgf-m / 15.2 Nm @ 6500 rpm
Seat height
840 mm / 33.0 in

The full picture.

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

Motorcycle technical specifications
Year1988-89
EngineTwo stroke, single cylinder, reed-valve
Capacity123 cc / 7.5 cu-in
Bore x Stroke56 X 50 mm
Compression Ratio6.8:1
LubricationAutolube
Oil Capacity1.2 Litres
InductionVM24 carburetor
IgnitionCDI
StartingKick
Max Power14 hp / 10.3 kW @ 6500 rpm
Max Torque1.5 kgf-m / 15.2 Nm @ 6500 rpm
ClutchWet multiplate
Transmission6 speed
Final DriveChain
Front SuspensionTelescopic Forks
Rear SuspensionMonocross
Front BrakesSingle 230mm disc
Rear BrakesSingle 220mm disc
Front Tyre2.75-21
Rear Tyre4.10-18
DimensionsLength 2135 mm / 81.0 in Width 820 mm / 32.2 in Height 1255 mm / 49.4 in
Wheelbase1360 mm / 53.5 in
Seat Height840 mm / 33.0 in
Ground Clearance270 mm / 10.6 in
Wet Weight119.0 kg / 262.4 lbs
Fuel Capacity10 Litres / 2.2 gal
Consumption Average20 km/lit
Braking 60 – 0 / 100 – 016.0 m / 43.7 m
Standing 1/4 Mile16.9 sec / 115.9 km/h
Top Speed124.6 km/h / 77.5 mph
Road TestsMoto Sprint 1989 Group Test