KTM EXC Repair Manual page 115

TIGHTENING TORQUES
Flange bolts - cylinder-head
Nuts-cylinder base
Flywheel collar nut
Nut for primary sprocket (LH thread)
Nut for inner clutch hub
Crankcase and cover bolts
Swingarm pivot
Flat head bolt release plate kickstarter
Other bolts
TOLERANCES AND FITTING CLEARANCES
Piston fitting clearance
Piston ring end gap
Connecting rod bearing - radial clearance 0.021 – 0.032 mm
Transmission shafts end float
Clutch springs - length
GASKET THICKNESSES
Crankcase
Clutch cover
Cylinder bottom gasket
Available cylinder bottom gaskets
Cylinder-head gasket
BASIC CARBURETOR SETTING
Carburetor
Carburetor setting number
Main jet
Idling jet
Starting jet
Jet needle
Needle position from top
Slide
Air adjustment screw open
Performance restrictor
Power jet jet
BASIC CARBURETOR SETTING
Carburetor
Carburetor setting number
Main jet
Idling jet
Starting jet
Jet needle
Needle position from top
Slide
Air adjustment screw open
Performance restrictor
Power jet jet
M 8
M 10
M 12x1
M 18x1.5
M 18x1.5
M 6
M 14
M 6x16
M 6
M 8
M 10
0.06 mm (250) 0.06 mm (300) 0.08 mm (380)
0.3 – 0.4 mm
0.1 – 0.2 mm
Ø 2.5 new = 43 mm, minimum length = 42 mm
0.5 mm
0.5 mm
as required
0.2/0.4/ 0.5 / 0.75 mm
O-rings
250 SX 380 SX
380 SX USA
Keihin PWK 38 AG Keihin PWK 38 AG
061200 050201
170 (168,172) 170 (168,172)
48 (45,50) 45 (48)
85
NOZ E (NOZ F/D) NOZ G (NOZ H)
III
6,5
1,5
–
–
250 EXC USA 300 EXC AUS
throttled
Keihin PWK 38 AG Keihin PWK 38 AG
030201 070201
178 (175,180) 170 (172,168)
45 (48) 45 (48)
85
NOZ E (NOZ F) NOZ G (NOZ H)
IV
6,5
1,5
– slide stop 36mm
–
35 Nm (25 ft.lb)
35 Nm (25 ft.lb)
60 Nm (44 ft.lb)
Loctite 243 150 Nm (110 ft.lb)
Loctite 243 100 Nm (74 ft.lb)
8 Nm
100 Nm (74 ft.lb)
Loctite 648 19 Nm (14 ft.lb)
10 Nm
25 Nm (19 ft.lb)
45 Nm (33 ft.lb)
250/300 EXC
throttled
Keihin PWK 38 AG
061200
175 (172,178,180)
35 (45/48)
85 85
R 1475 J (NOZ E/H)
II III
6,5 6,5
1,5 1,5
– slide stop 34mm
– –
300 MXC/EXC
USA
Keihin PWK 38 AG
040201
175 (178,172)
45 (48)
85 85
NOZ H (NOZ I)
III
II
6,5
6,5
1,5
1,5
–
–
–
9-31C
(6 ft.lb)
(7 ft.lb)