HUSABERG FE 450 AUS, Repair Manual

Page: 221 / 285

TECHNICAL DATA - ENGINE
219
Design 1-cylinder 4-stroke engine, water-cooled
Displacement (All 450 models) 449.3 cm³ (27.418 cu in)
Displacement (All 570 models) 565.5 cm³ (34.509 cu in)
Stroke (All 450 models) 63.4 mm (2.496 in)
Stroke (All 570 models) 72 mm (2.83 in)
Bore (All 450 models) 95 mm (3.74 in)
Bore (All 570 models) 100 mm (3.94 in)
Compression ratio 11.8:1
Idle speed 1,700… 1,800 rpm
Control OHC, 4 valves controlled via rocker arm, drive via tooth/wheel
chain
Valve diameter, intake 38 mm (1.5 in)
Valve diameter, exhaust 32 mm (1.26 in)
Valve clearance
Exhaust at: 20 °C (68 °F) 0.12… 0.17 mm (0.0047… 0.0067 in)
Intake at: 20 °C (68 °F) 0.10… 0.15 mm (0.0039… 0.0059 in)
Crankshaft bearing 2 cylinder bearings
Conrod bearing Needle bearing
Piston pin bearing Not a bearing bush - DLC-plated piston pins
Pistons Forged light alloy
Piston rings 1 compression ring, 1 oil scraper ring
Engine lubrication Pressure circulation lubrication with two rotary pumps
Primary transmission 33:76
Clutch Multidisc clutch in oil bath/hydraulically activated
Transmission ratio
1st gear 14:36
2nd gear 17:32
3rd gear 19:28
4th gear 22:26
5th gear 24:23
6th gear 26:21
Generator 12 V, 210 W
Mixture preparation Electronically controlled fuel injection
Ignition Contactless controlled fully electronic ignition with digital igni-
tion adjustment
Spark plug NGK LKAR 8AI - 9
Spark plug electrode gap 0.9 mm (0.035 in)
Cooling Water cooling, permanent circulation of coolant by water pump
Starting aid Electric starter
26.1
Capacity - engine oil
Engine oil 1.35 l (1.43 qt.) Engine oil (SAE 10W/50) ( p. 263)
26.2
Capacity - coolant
Coolant 1.00 l (1.06 qt.) Coolant ( p. 263)
Coolant (mixed ready to use) ( p. 263)