Yamaha DT125 X - 2005
Yamaha have always believed in offering all its customers the widest possible choice, and the new DT125X is designed to appeal to those customers who want
supermotard styling and 2-stroke performance.
Developed from the DT125RE, the DT125X features different forks, bodywork, brakes and wheels.
Chassis
The DT125X is equipped with 17 inch front and rear wheels, and runs with a 120/70-17 front tyre and massive 140/70-17 rear tyre, giving this high speci? cation 125 2-stroke a hardedged
supermotard image. A black swing arm, short black front fender, black Excel aluminium rims and a new-shape two-tone dual seat make for a genuine factory racer look.
Braking is amongst the best in the class, and features a massive 298mm diameter floating front disc and Brembo 2-pot caliper, while the rear wheel is fitted with a 220mm rear disc and Nissin caliper.
The flex resistant 41mm front forks give 200mm of front wheel travel, 70mm less than the DT125RE, while rear suspension travel on the DT125X is 230mm, 30mm less than the RE
model. Caster angle is reduced to 24.5 degrees (27 degrees on the DT125RE) while trail is shortened to 74mm, compared with 107mm on the DT125RE. This revised geometry gives
quicker steering and sporty handling qualities.
Available colours
Racing Blue
Yamaha Black
Technical highlights
Based on DT125RE
17 inch front wheel with 120/70-17 front tyre
17 inch rear wheel with massive 140/70-17 rear tyre
Black Excel aluminium front and rear rims
41mm diameter forks giving 200mm travel
Revised steering geometry for sporty handling
Large diameter 298mm ? oating front disc
Brembo 2-pot front caliper
New shape two-tone seat
Optional equipment
Rear carrier, top case, hand guards, anti-theft alarm
Specifications
Engine Type - Liquid-cooled, 2-stroke, forward inclined single cylinder, 124cc
Bore & stroke - 56.0 x 50.7 mm
Compression Ratio - 6.7:1
Max. power - 11 kW (15 HP) @8,000 rpm
Max. torque - 13 Nm (1.33 kg-m) @ 8,000 rpm
Lubrication - Autolube
Carburettor/Fuel supply - Mikuni TM28-92/1
Clutch type - Wet, multiple disc
Ignition - Electronic (CDI)
Starter system - Electric
Transmission - Constant mesh, 6-speed
Final transmission - Chain
Frame - Semi double cradle
Front suspension - Hydraulic telescopic forks
Front wheel travel - 200 mm
Rear suspension - Monocross (Link-type)
Rear wheel travel - 230 mm
Caster angle - 24.5°
Trial - 74 mm
Front brake - Single disc, Ø 298 mm
Rear brake - Single disc, Ø 220 mm
Front tyre - 120/70-17 58H
Rear tyre - 140/70-17 66H
Overall length - 2,139 mm
Overall width - 795 mm
Overall height - 1,121 mm
Seat height - 886 mm
Wheelbase - 1,396 mm
Min. ground clearance - 271 mm
Dry weight - 122 kg
Fuel tank capacity (reserve) - 10.7 litres
Oil capacity - 1.3 litres
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