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TECHNICAL SPECIFICATIONS – ENGINE 250 XC/XC-W/EXC/EXC SIX DAYS 2008»
TIGHTENING TORQUES - ENGINE
Flange bolts - cylinder-head M 8 27 Nm
Nuts-cylinder base M 10 35 Nm
Flywheel collar nut M 12x1 60 Nm
Exhaust control - retaining bracket M 5 Loctite 243 + 7 Nm
Exhaust control - control flap M 6 Loctite 243 + 10 Nm
Exhaust control - lever for control segment M 5 Loctite 243 + 6 Nm
Shift roller - bearing retaining bracket M 6 Loctite 243 + 10 Nm
Shift lock M 6 Loctite 243 + 10 Nm
Locking lever M 5 Loctite 243 + 6 Nm
Idler bolt M 6 Loctite 2701 + 8 Nm
Kickstarter release plate M 6 Loctite 243 + 10 Nm
Spring hanger for kickstarter M 6 Loctite 243 + 10 Nm
Spring hanger on kickstarter M 6 Loctite 243 + 10 Nm
Oil drain plug with magnet M 12x1.5 20 Nm
Water pump wheel M 5 Loctite 243 + 6 Nm
Drain plug on water pump cover M 10x1 15 Nm
Nut for primary sprocket (LH thread) M 18x1.5 Loctite 2701 + 150 Nm
Nut for inner clutch hub M 18x1.5 Loctite 2701 + 100 Nm
Crankcase M 6 10 Nm
Spark plug M 14x1.25 25 Nm
Kickstarter lever M 8 Loctite 243 + 25 Nm
Shift lever M 6 Loctite 243 + 14 Nm
Cover screws M 5 6 Nm
Ignition / stator M 5 Loctite 222 + 6 Nm
Ignition / stator (electric starter model) M 6 Loctite 243 + 8 Nm
Ignition / pick up M 5 Loctite 243 + 6 Nm
Other bolts M 5 6 Nm
M 6 10 Nm
M 8 25 Nm
M 10 45 Nm
BASIC CARBURETOR SETTING
250 XC
250 XC-W
250 EXC SIX DAYS
250 EXC AUS 250 EXC EU
Carburetor Keihin PWK 36S AG Keihin PWK 36S AG Keihin PWK 36S AG Keihin PWK 36S AG
Carburetor setting mark FK022 FK023 3600B FK025
Main jet 168 (170) 165 (162) 160 (162,165) 115 (162, 165)
Idling jet 35 35 35 38x38 (35)
Starting jet 85 85 85 50 (85)
Jet needle N8RH (N8RG) N8RW (N8RH, N8RJ) N3CJ (N8RH, N8RJ,
N8RW, N2ZJ, N2ZWG)
N84K (N8RH, N8RJ,
N8RW, NOZG)
Needle position from top 4 4 1 3 (4)
Throttle valve 7 7 7 7
Air adjustment screw open 1 1 3,5 1
Performance restrictor
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-
slide stop 38 mm slide stop 36 mm