Yamaha WR125R User Manual

INSTRUMENT AND CONTROL FUNCTIONS
3-9
3
brand. Use of unleaded fuel will extend
spark plug life and reduce maintenance
costs.
EAU13445
Catalytic converters
This vehicle is equipped with catalytic
converters in the exhaust system.
WARNING
EWA10862
The exhaust system is hot after op-
eration. To prevent a fire hazard or
burns:
● Do not park the vehicle near
possible fire hazards such as
grass or other materials that
easily burn.
● Park the vehicle in a place
where pedestrians or children
are not likely to touch the hot
exhaust system.
● Make sure that the exhaust sys-
tem has cooled down before do-
ing any maintenance work.
● Do not allow the engine to idle
more than a few minutes. Long
idling can cause a build-up of
heat.
NOTICE
ECA10701
Use only unleaded gasoline. The use
of leaded gasoline will cause unre-
pairable damage to the catalytic
converter.
U22BE0E0.book Page 9 Wednesday, December 17, 2008 11:00 AM

Yamaha WR125R Specifications

General

Engine Type	Liquid-cooled, 4-stroke, SOHC, 4-valve
Displacement	124.7cc
Bore x Stroke	52.0 mm x 58.6 mm
Compression Ratio	11.2:1
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	Constant mesh, 6-speed
Final Drive	Chain
Front Suspension	Telescopic forks
Rear Suspension	Swingarm (link suspension)
Rear Brake	Hydraulic single disc, Ø220 mm
Front Tyre	80/90-21 M/C 48P
Rear Tyre	110/80-18 M/C 58P
Overall Length	2, 180 mm
Overall Width	835 mm
Overall Height	1, 190 mm
Seat Height	930 mm
Wheelbase	1, 430 mm
Fuel Tank Capacity	8.5 litres
Lubrication System	Wet sump
Starter System	Electric
Oil Tank Capacity	1.15 litres
Maximum Power	11 kW (15 PS) @ 9, 000 rpm
Maximum Torque	12.2 Nm (1.2 kg-m) @ 8, 000 rpm