KTM sx-f 450 2008 User Manual

TECHNICAL DATA - CARBURETOR 75
14TECHNICAL DATA - CARBURETOR
Carburetor type KEIHIN FCR-MX 41
Carburetor identfication number (450 SX-F, 450 XC-F) 4125I
Carburetor identfication number (505 SX-F, 505 XC-F) 4125J
Needle position (450 SX-F, 450 XC-F) 4th position from top
Needle position (505 SX-F, 505 XC-F) 5 th position from top
Idle mixture adjusting screw
Open 1.5 turns
Pump membrane stop 2.15 mm (0.08 in)
Hot start button
Diameter of bore in carburetor body 2.5 mm (0.1 in)
Main jet 185
Jet needle (450 SX-F, 450 XC-F) OBDTR
Jet needle (505 SX-F, 505 XC-F) OBDTP
Idling jet 42
Main air jet 200
Idle air jet 100
Cold start jet 85
Throttle slide 15

KTM sx-f 450 2008 Specifications

General

Engine Type	Single-cylinder, 4-stroke
Displacement	449.3 cc
Cooling System	Liquid cooled
Compression Ratio	12.5:1
Starter	Electric starter
Transmission	5-speed
Fuel System	Keihin FCR-MX 41 carburetor
Front Brake	260 mm disc
Rear Brake	220 mm disc
Fuel Capacity	7.5 liters
Bore x Stroke	97 mm x 60.8 mm
Front Suspension	WP USD 48 mm
Rear Suspension	WP PDS shock absorber
Seat Height	925 mm
Ignition	Kokusan digital CDI
Frame Type	Central tube frame made of chrome molybdenum steel tubing