KTM 380 EXC - Engine Technical Data (250;300;380) - Non-USA Models; Non-USA Tolerances and Clearances; Non-USA Gasket Thicknesses; Non-USA Tightening Torques

ENGLISH
31
TIGHTENING TORQUES
Flange bolts - cylinder-head M 8 35 Nm (25 ft.lb) Nuts-cylinder base M 10 35 Nm (25 ft.lb) Flywheel collar nut M 12x1 60 Nm (44 ft.lb) Nut for primary sprocket (LH thread) M 18x1.5 Loctite 242 150 Nm (110 ft.lb) Nut for inner clutch hub M 18x1.5 Loctite 242 100 Nm (74 ft.lb) Crankcase and cover bolts M 6 8 Nm (6 ft.lb) Swingarm pivot M 14 100 Nm (74 ft.lb) Flat head screw release plate kickstarter M 6x16 Loctite 648 19 Nm (14 ft.lb) Other screws M 6 10 Nm (7 ft.lb)
M 8 25 Nm (19 ft.lb) M 10 45 Nm (33 ft.lb)
Piston fitting clearance 0.05 mm (250) 0.06 mm (300) 0.08 mm (380) Piston ring end gap 0.3–0.4 mm Connecting rod bearing - radial clearance 0.021–0.032 mm Transmission shafts end float 0.1–0.2 mm Clutch springs - length Ø 2.5 new = 43 mm, minimum length = 42 mm
TOLERANCES AND FITTING CLEARANCES
GASKET THICKNESSES Crankcase 0.5 mm Clutch cover 0.5 mm Cylinder bottom gasket as required Available cylinder bottom gaskets 0.2/0.4/0.5/0.7 mm Cylinder-head gasket O-rings
250 SX
250 MXC, EXC
300 MXC, EXC
380 SX, MXC, EXC
TABLE 3
BASIC CARBURETOR SETTING
Carburetor Carburetor setting number Main jet Idling jet Starting jet Jet needle Needle position from top Throttle valve Air adjustment screw open
Keihin PWK 38
090598
172(168,170,175)
45(48,50)
85
NOZ G(NOZ H,NOZ I)
II
6
1,5
Keihin PWK 38
100598
175(170,172,178)
45(42,48)
85
N85 C(N85 D)
III
6
1,5 Umdr.
Keihin PWK 38
070598
170(168,172,175)
48(45,50)
85
NOZ H(NOZ G,NOZ I)
II
6
1,5 Umdr.