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HUSABERG FE 450 Repair Manual: Engine 450, 501

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

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