HUSABERG FE 450 User Manual

TECHNICAL SPECIFICATIONS - ENGINE
I
2
Engine FC 550/4 FE 550e/6 FE 650e/6 FS 650e/6
Design Liquid-cooled, 1-cylinder 4-stroke Otto engine with balancer weight
Displacement 550 cm
3
644 cm
3
Bore/Stroke 100 / 70 mm 100 / 82 mm
Compression ratio 11,8:1 11,5:1
Keihin carburetor FCR-MX 41
Fuel unleaded fuel with at least RON 95 (USA = Premium RON 91)
Timing 4 valves controlled over rocker arm and 1 camshaft, camshaft drive with single chain
Valve diameter, intake 35 mm
Valve diameter, exhaust 30 mm
Valve clearance, intake, cold 0,12 mm
Valve clearance, exhaust, cold 0,12 mm
Crankcase bearing 2 roller bearings
Conrod bearing needle bearing
Piston pin bearing bronze bush
Piston Light allow – forged
Piston rings 1 compression ring, 1 oil scraper ring
Engine lubrication pressure lubrication with trochoid rotor pump
Engine oill fully synthetic engine oil (Motorex Power Synt 4T SAE 10W50)
Quantity of engine oil 1,0 liter
Primary drive straight-toothed spur wheels 29:78t
Clutch multi-disk clutch in oil bath
Transmission (claw shifted) 4-speed 6-speed
Gear ratio
1st gear 14:33 14:33
2nd gear 17:30 17:30
3rd gear 19:26 19:26
4th gear 23:25 23:25
5th gear – 24:22
6th gear – 27:20
Ignition system breakerless transitorized DC-CDI ignition system with digital ignition advance, type KOKUSAN
Generator – 12V 150W
Spark plug NGK DCPR 8 E
Electrode distance 0,6 mm
Cooling system liquid cooled, permanent circulation of cooling liquid through water pump
Cooling liquid 1.0 liters, mixing ratio 40% antifreeze, 60% water,at least –25° C
Starting aid kickstarter kickstarter/electric starter
BASIC CARBURETOR SETTING
Type of carburetor Keihin FCR-MX 41 Keihin FCR-MX 41 Keihin FCR-MX 41
Carburetor ID number 4125B 4125B 4138C
Main jet 182 182 160
Jet needle OBDVR OBDVT (OBDVR) OBDVT (OBEKR)
Idling jet 40 38 (40) 38 (45)
Main air jet 200 200 200
Idle air jet 100 100 100
Needle position 5th from top 5th from top 2nd (6th) from top
Starting jet 85 85 85
Mixture control screw open 1,5 1,5 0,5 (1,5)
Slide 15 15 15
Restriction – slide stop slide stop
Pump diaphragm stop 858 / 2,15 mm 858 / 2,15 mm 858 / 2,15 mm
Hot start knob diameter 2,5 mm diameter 2,5 mm diameter 2,5 mm
FC 550/4 FE/FS 550e/6
EU/AUS/USA green
FE/FS 650e/6
EU/AUS/USA green

HUSABERG FE 450 Specifications

General

Engine Type	Single cylinder, 4-stroke
Displacement	449.3 cc
Bore x Stroke	95 mm x 63.4 mm
Compression Ratio	11.8:1
Starter	Electric starter
Transmission	6-speed
Lubrication	Pressure lubrication with 2 oil pumps
Cooling	Liquid cooling
Fuel System	Keihin EFI
Ignition	Digital CDI