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KTM 450 SX-F 2017 User Manual

KTM 450 SX-F 2017
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11 SERVICE WORK ON THE CHASSIS 62
400987-10
Pull at the top part of the chain with the specified weight
A
.
Guideline
Weight, chain wear measurement 10 15 kg (22… 33 lb.)
Measure distance
B
of 18 chain rollers in the lower chain section.
Info
Chain wear is not always even, so you should repeat this measurement at
different chain positions.
Maximum distance
B
at the longest
chain section
272 mm (10.71 in)
»
If distance
B
is greater than the specified measurement:
Change the drivetrain kit.
Info
When the chain is replaced, the rear sprocket and engine sprocket
should also be changed.
New chains wear out faster on an old, worn rear sprocket or engine
sprocket.
S01249-01
Check the chain sliding guard for wear.
» If the lower edge of the chain pins is in line with or below the chain sliding
guard:
Change the chain sliding guard.
Check that the chain sliding guard is firmly seated.
» If the chain sliding guard is loose:
Tighten the screws on the chain sliding guard.
Guideline
Screw, chain sliding
guard
M6 6 Nm
(4.4 lbf ft)
Loctite
®
243™
S01250-01
Check the chain sliding piece for wear.
» If the lower edge of the chain pins is in line with or below the chain sliding
piece:
Change the chain sliding piece.
Check that the chain sliding piece is firmly seated.
» If the chain sliding piece is loose:
Tighten the screw on the chain sliding piece.
Guideline
Screw, chain sliding piece M8 15 Nm
(11.1 lbf ft)

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KTM 450 SX-F 2017 Specifications

General IconGeneral
Displacement449.9 cc
Bore x Stroke95 mm x 63.4 mm
StarterElectric starter
Transmission5-speed
Ground Clearance370 mm
Seat Height960 mm
Compression Ratio12.75:1
Fuel SystemKeihin EFI, throttle body 44 mm
IgnitionKeihin EMS
Engine TypeSingle cylinder, 4-stroke
FrameCentral double-cradle type 25CrMo4 steel
Front BrakeDisc brake, Ø 260 mm
Rear BrakeDisc brake, Ø 220 mm
Fuel Capacity7 liters
Wheelbase1, 485 mm
Front SuspensionWP USD, Ø 48 mm

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