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KTM 125 SX 2004 User Manual

KTM 125 SX 2004
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ENGLISH
30
Chain maintenance
For long chain life, good maintenance is very important. X-ring chains
require only modest maintenance. The best way is to use lots of water, but
never use brushes or solvents. After letting the chain dry, you can use a
special X-ring chain spray (Motorex Chainlube 622).
WARNING
NO LUBRICATION IS ALLOWED TO REACH THE REAR TIRE OR THE BRAKE DISK, EITHERWISE
THE ROAD ADHERENCE AND THE REAR WHEEL BRAKING EFFECTS WOULD BE STRONGLY
REDUCED AND THE MOTORCYCLE COULD EASILY GET OUT OF CONTROL
.
!
CAUTION
!
WHEN MOUNTING THE CHAIN JOINT, THE CLOSED SIDE OF THE SAFETY DEVICE MUST
POINT IN RUNNING DIRECTION
.
Also check sprockets and chain guides for wear, and replace if necessary.
Chain wear
To check the chain wear, observe the following indications:
Shift the gear into idling and pull the upper chain strand with approx. 10-15
kilograms (33 lb) upwards (see figure). Now one can measure a space of 18
chain reels at the lower chain strand. The chain should be replaced at the
latest when a space of 272 mm (10.70 in) is measured. Chains do not
always wear off evenly, therefore repeat the measurement at different pla-
ces on the chain.
NOTE:
If you mount a new chain, the sprockets should also be replaced. New
chains wear faster if used on old used sprockets.
!
CAUTION
!
WHEN YOU ASSEMBLE A REAR SPROCKET WITH 14T, THE COLLAR MUST BE ON THE INSIDE
SECURE THE SCREWS OF THE CHAIN WHEEL BY APPLYING LOCTITE AND FASTEN THEM IN A
CROSSWISE ORDER
.
T
IGHTENING TORQUE FOR NUTS: 35 NM
TIGHTENING TORQUE FOR SCREWS: 50 NM
15 KG
33 lbs
max. 272 mm
1 2 3
16 17 18

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KTM 125 SX 2004 Specifications

General IconGeneral
Engine TypeSingle-cylinder, 2-stroke
Displacement124.8 cc
Cooling SystemLiquid-cooled
StarterKickstarter
Transmission6-speed
Front SuspensionWP USD 48 mm
Rear SuspensionWP PDS shock absorber
Front BrakeSingle 260 mm disc
Rear BrakeSingle 220 mm disc
Front Tire80/100-21
Rear Tire100/90-19
Seat Height925 mm
Ground Clearance385 mm
Dry Weight88 kg
Bore x Stroke54 mm x 54.5 mm
IgnitionKokusan digital
Wheelbase1, 471 mm
Fuel Capacity7.5 liters
Fuel SystemCarburetor
FrameChromium-Molybdenum steel central-tube frame

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