KTM 300 EXC Six days eu User Manual

12 SERVICE WORK ON THE CHASSIS 77
12.39 Checking the chain, rear sprocket, engine sprocket and chain guide
Preparatory work
– Raise the motorcycle with the lift stand. ( p. 57)
400227-01
Main work
– Shift gear to neutral.
– Check the rear sprocket and engine sprocket for wear.
» If the rear sprocket and engine sprocket are worn:
–
Change the drivetrain kit. x
Info
The engine sprocket, rear sprocket, and chain should always be
changed together.
400987-10
– Pull on the upper part of the chain with the specified weight A.
Guideline
Weight, chain wear measurement 10… 15 kg (22… 33 lb.)
– Measure the distance B of 18 chain links in the lower chain section.
Info
Chain wear is not always even; repeat this measurement at different chain
positions.
Maximum distance B at the longest
chain section
272 mm (10.71 in)
» If the distance B is greater than the specified measurement:
–
Change the drivetrain kit. x
Info
When you replace the chain, you should also change the rear
sprocket and engine sprocket.
New chains wear out faster on old, worn sprockets.
B00823-01
– 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. x
– Check the chain sliding guard for tightness.
» If the chain sliding guard is loose:
– Tighten the chain sliding guard.
Guideline
Screw, chain sliding
guard
M6 6 Nm
(4.4 lbf ft)
Loctite
®
243™

KTM 300 EXC Six days eu Specifications

General

Bore x Stroke	72 mm x 72 mm
Transmission	6-speed
Seat Height	960 mm
Starter	Electric starter
Front Brake	Disc brake
Rear Brake	Disc brake
Front Brake Diameter	260 mm
Rear Brake Diameter	220 mm
Engine Type	2-stroke
Displacement	293.2 cc
Power	Not available
Torque	Not available
Weight	Not available
Front Suspension	WP Xplor 48
Rear Suspension	WP Xplor PDS
Cooling	Liquid cooled