22 TECHNICAL DATA
118
22.1
Engine
Design
1-cylinder 4-stroke engine, water-cooled
Displacement
373 cm³ (22.76 cu in)
Stroke
60 mm (2.36 in)
Bore
89 mm (3.5 in)
Compression ratio
12.6:1
Control
DOHC, four valves controlled via cam lever, chain
drive
Intake valve diameter
36 mm (1.42 in)
Exhaust valve diameter
29 mm (1.14 in)
Valve clearance, intake, cold
0.10 … 0.15 mm (0.0039 … 0.0059 in)
Valve clearance, exhaust, cold
0.15 … 0.20 mm (0.0059 … 0.0079 in)
Crankshaft bearing
2 slide bearings
Conrod bearing
Sleeve bearing
Pistons
Forged light alloy
Piston rings
1 compression ring, 1 tapered compression piston
ring, 1 oil scraper ring
Engine lubrication
Pressure circulation lubrication with 2 trochoidal
pumps
Primary transmission
30:80
Clutch
Slipper clutch in oil bath/mechanically operated
Transmission
6-gear transmission, claw shifted
Transmission ratio
1st gear
12:32
2nd gear
14:26
3rd gear
19:27
4th gear
21:24
5th gear
23:22
6th gear
25:21
Mixture preparation
Electronic fuel injection
Ignition
Contactless controlled fully electronic ignition with
digital ignition adjustment
Alternator
12 V, 230 W
Spark plug
BOSCHVR6NEU
Spark plug electrode gap
1 mm (0.04 in)
Cooling
Water cooling, permanent circulation of coolant by
water pump
Idle speed
1,680 ± 50 rpm
Starting aid
Starter motor
Содержание F1303V1
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