HUSABERG "05 - Page 61

TECHNICAL DATA - ENGINE
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ENGLISH
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
628 cm
3
Bore/Stroke 100 / 70 mm 100 / 82 mm
Ratio 11,8:1 11,5:1
Carburetor Keihin FCR-MX 41
Fuel unleaded fuel with at least RON 95 (USA = Premium RON 91)
Valve 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 clearence cold Intake 0,12 mm
Valve clearence cold Exhaust 0,12 mm
Crank shadt bearing 2 roller bearings
Connecting rod bearing needle bearing
Top end bearing bronze bush
Piston Light allow – forged
Piston rings 1 compression ring, 1 oil scraper ring
Engine lubrication pressure lubrication with trochoid rotor pump
Eingine oil fully synthetic engine oil (Motorex Power Synt 4T SAE 10W50)
Quantity of engine oil 1,0 liter
Primary ratio straight-toothed spur wheels 29:78t
Clutch multi-disk clutch in oil bath
Transmission (clawn shifted) 4-speed 6-speed
Gear ratio
1. Gear
14:33 14:33
2. Gear 17:30 17:30
3. Gear 19:26 19:26
4. Gear 23:25 23:25
5. Gear – 24:22
6. Gear – 27:20
Ignition system breakerless transitorized DC-CDI ignition system with digital ignition advance, type KOKUSAN
Generator 12V 40W 12V 150W
Spark plug NGK DCPR 8 E
Spark plug gap 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 equipment kickstarter kickstarter/electric starter
BASIC CARBURETOR SETTING
FC 550/4 FE/FS 550E/6
EU/AUS/USA GREEN
FE/FS 650E/6
EU/AUS/USA GREEN
Type of carburetor Keihin FCR-MX 41 Keihin FCR-MX 41 Keihin FCR-MX 41
Carburetor ID number 4125B 4125B 4138D
Main jet 182 182 160
Jet needle OBDVR OBDVT (OBDVR) OBDVT
Idling jet 40 38 38
Main air jet 200 200 200
Idle air jet 100 100 100
Needle position 6
th
from top 5
th
from top 2
nd
from top
Starting jet 85 85 85
Mixture control screw open 1,5 1,5 0,5
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