HUSABERG "05 - Technical Data - Engine; Engine Specifications; Basic Carburetor Setting

TECHNICAL DATA - ENGINE
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ENGLISH
ENGINE FC 450/4 FE 450E/6 FS 450E/6
Design 1-cylinder 4-stroke engine with balancer shaft, liquid cooled
Displacement 449 cm
3
Bore/Stroke 100 / 57,2 mm
Ratio 13:1
Carburetor Keihin FCR-MX 41 FCR-MX 39 FCR-MX 41
Fuel unleaded fuel with at least RON 95 (USA = Premium RON91)
Valve timing 4 valves over rocker arm and 1 overhead camshaft, camshaft drive through 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 cylinder roller bearing
Connecting rod bearing needle bearing
Top end bearing bronze bushing
Piston alluminium alloy forged
Piston rings 1 compression ring, 1 oil scraper ring
Engine lubrication pressure circulation lubrication with two rotor pumps
Eingine oil full synthetic oil (Motorex Power Synt 4T SAE 10W50)
Quantity of engine oil 1,0 liter
Primary ratio straight geared spur wheels 29:78 Z
Clutch mult disc 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 contactless DC - CDI ignition with digital advanced system, Typ KOKUSAN
Generator – 12V 150W
Spark plug NGK DCPR 8 E
Spark plug gap 0,6 mm
Cooling system liquid cooled, permanent rotation through mechanically driven water pump
Cooling liquid 1,3 liter, 40% antifreeze, 60% water, at least –25° C
Starting equipment kickstarter kick - electric starter
BASIC CARBURETOR SETTING
FC 450/4 FE/FS 450E/6
EU/AUS/USA GREEN
Type of carburetor Keihin FCR-MX 41 Keihin FCR-MX 39
Carburetor ID number 4125B 3925B
Main jet 182 178
Jet needle OBDVR OBDVT (OBDVR)
Idling jet 40 38 (40)
Main air jet 200 200
Idle air jet 100 100
Needle position 6
th
from top 2
nd
(6
th
) from top
Starting jet 85 85
Mixture control screw open 1,5 1,5 (2,0)
Slide 15 15
Restriction – slide stop
Pump diaphragm stop 858 / 2,15 mm 858 / 2,15 mm
Hot start knob diameter 2,5 mm diameter 2,5 mm