KTM 250 EXC TPI User Manual

SERVICE WORK ON THE CHASSIS 12
91
400987-10
–
Pull on the upper chain section with the specified weight
A
.
Guideline
Weight, chain wear measure-
ment
10 … 15 kg (22 … 33 lb.)
–
Measure the 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
from
18 chain rollers 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 a new chain is mounted, the rear sprocket
and engine sprocket should also be changed.
New chains wear out faster on old, worn sprock-
ets.
E00886-10
– 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 screws on the chain sliding guard.
Guideline
Screw, chain
sliding guard
M6 6 Nm (4.4 lbf ft)
Loctite
®
243™

KTM 250 EXC TPI Specifications

General

Displacement	249 cm³
Cooling	Liquid cooled
Transmission	6-speed
Starter	Electric starter
Front Brake	Disc brake
Rear Brake	Disc brake
Ground Clearance	370 mm
Seat Height	960 mm
Bore x Stroke	66.4 mm x 72 mm
Engine Type	1-cylinder, 2-stroke
Fuel System	TPI
Front Suspension	WP XPLOR-USD, Ø 48 mm
Rear Suspension	WP Xplor shock absorber
Fuel Capacity	9 l
Frame	Central tube frame made of chrome molybdenum steel