KTM 300 EXC User Manual

17 TUNING THE ENGINE
124
B00056-11
–
Remove cap
2
, adjusting spring
3
, auxiliary spring
4
,
and spring insert
5
from the clutch cover.
– Pull both springs off of the spring insert.
–
Mount the required auxiliary spring ( p. 123)
4
and
adjusting spring
3
and position them together in the clutch
cover.
Auxiliary spring with yellow marking (54637072300)
Auxiliary spring with green marking (54837072100)
Auxiliary spring with red marking (54837072000)
The recess in spring insert
5
engages in the angle lever.
– Check the O-ring in the cap.
– Position the cap.
– Mount and tighten the screws.
Guideline
Screw, exhaust con-
trol cap
M5 5 Nm (3.7 lbf ft)
S03663-10
–
Check screw
6
for correct setting measurement.
Guideline
Exhaust control - setting
measurement
2.3
+ 0.2
− 0
mm (0.091
+ 0.008
− 0
in)

KTM 300 EXC Specifications

General

Displacement	293.2 cc
Bore x Stroke	72 mm x 72 mm
Starter	Electric starter
Transmission	6-speed
Cooling	Liquid cooled
Front Suspension	WP XPLOR-USD, Ø 48 mm
Front Brake	Disc brake
Rear Brake	Disc brake
Ground Clearance	370 mm
Seat Height	960 mm
Engine Type	2-stroke
Rear Suspension	WP Xplor PDS
Frame	Central double-cradle type 25CrMo4 steel
Fuel Tank Capacity	Approx. 9 l