KTM RC 125 User Manual

12 SERVICE WORK ON THE CHASSIS 91
L02150-10
(RC 125)
–
Loosen nut

.
–
Loosen nuts

.
–
Adjust the chain tension by turning adjusting screws

on the left and right.
Guideline
Chain tension 5… 7 mm (0.2… 0.28 in)
Turn the adjusting screws

on the left and right so that the markings on the
left and right chain adjusters

are in the same position relative to the refer-
ence marks

. The rear wheel is then correctly aligned.
Info
The upper chain section must be taut.
Chain wear is not always even, so you should check the setting at different
chain positions.
–
Tighten nuts

.
–
Make sure that chain adjusters

are fitted correctly on adjusting screws

.
–
Tighten nut

.
Guideline
Nut, rear wheel spindle M14x1.5 90 Nm
(66.4 lbf ft)

KTM RC 125 Specifications

General

Displacement	124.7 cc
Transmission	6-speed
Fuel System	Electronic Fuel Injection
Bore x Stroke	58 mm x 47.2 mm
Engine Type	Liquid-cooled, 1-cylinder, 4-stroke engine
Max Torque	12 Nm @ 8, 000 rpm
Front Suspension	WP upside-down fork
Rear Suspension	WP Monoshock
Front Brake	Single disc, 4-piston caliper
Rear Brake	Single disc, single-piston caliper
Frame	Steel trellis frame
Front Tire	110/70 R17
Rear Tire	150/60-17