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PERIODIC MAINTENANCE AND MINOR REPAIR
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EAU01144Wheel bearings
If there is play in the front or rear
wheel hub or if the wheel does not
turn smoothly, have a Yamaha dealer
inspect the wheel bearings.
EAU00800Battery
This motorcycle is equipped with a
sealed-type battery. Therefore it is
not necessary to check the elec-
trolyte or fill the battery with distilled
water.
8 8
If the battery seems to have dis-
charged, consult a Yamaha deal-
er.
8 8
If the motorcycle is equipped
with optional electrical acces-
sories, the battery tends to dis-
charge more quickly, so be sure
to recharge it periodically.
EC000101
cC
Never try to remove the sealing
caps of the battery cells. The bat-
tery will be damaged.
EW000116
w
Battery electrolyte is poisonous
and dangerous, causing severe
burns, etc. It contains sulfuric
acid. Avoid contact with skin, eyes
or clothing.
ANTIDOTE:
8 8
EXTERNAL: Flush with water.
8 8
INTERNAL: Drink large quanti-
ties of water or milk. Follow
with milk of magnesia, beaten
egg, or vegetable oil. Call a
physician immediately.
8 8
EYES: Flush with water for 15
minutes and get prompt med-
ical attention.
Batteries produce explosive
gases. Keep sparks, flame, ciga-
rettes etc., away. Ventilate when
charging or using in an enclosed
space. Always shield your eyes
when working near batteries.
KEEP OUT OF REACH OF CHIL-
DREN.
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SPECIFICATIONS
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Specifications
Model TDR125
Dimensions
Overall length 2,120 mm
(F, GB, IRL, B, P, GR, E)
2,185 mm (S, SF, D, CH, A)
Overall width 840 mm
Overall height 1,295 mm
Seat height 850 mm
Wheel base 1,405 mm
Ground clearance 270 mm
Minimum turning radius 2,200 mm
Basic weight (with oil and full
fuel tank)135 kg
136 kg (CH, A)
Engine
Engine type Liquid cooled 2-stroke,
gasoline
Cylinder arrangement Forward inclined single
cylinder
Displacement 125 cm
3
Bore ´Stroke 56.0 ´50.7 mm
Compression ratio 6.6:1
Starting system Electric starter
Lubrication system Separate lubrication
(Yamaha Autolube)Engine oil (2-cycle)
Type Yamaha oil 2T or equivalent
2-stroke engine oil
Capacity
Total amount 1.2 L
Transmission oil
Type SAE 10W30 SE motor oil
Capacity
Periodic oil change 0.75 L
Total amount 0.8 L
Radiator capacity
(Including all routes) 1.05 L
Air filterWet type element
Fuel
Type Regular unleaded gasoline
Fuel tank capacity 11 L
Reserve amount 2.2 L
Carburetor
Type/quantity TM28SS/1
Manufacturer MIKUNI
EAU01038
SPECIFICATIONS
8-1
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SPECIFICATIONS
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Wheels
Front
Type Cast wheel
Size 18 ´MT2.15
Rear
Type Cast wheel
Size 17 ´MT2.50
Brakes
Front
Type Single disc brake
Operation Right hand operation
Fluid DOT 3 or DOT 4
Rear
Type Single disc brake
Operation Right foot operation
Fluid DOT 4
Suspension
Front
Type Telescopic fork
Rear
Type Swingarm (Monocross)Shock absorber
Front
Type Coil spring/oil damper
Rear
Type Coil-gas spring/oil damper
Wheel travel
Front 180 mm
Rear 180 mm
Electrical
Ignition system C.D.I.
Charging system
Type C.D.I. magneto
Standard output 14 V, 12A @5,000 r/min
Battery
Type YTX5L-BS
Voltage, capacity 12 V, 4 AH
Headlight bulb typeHalogen bulb
Bulb voltage, wattage ´quantity
Headlight 12 V, 60/55W ´2
12 V, 35/35W ´2 (GB, IRL only)
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