TECHNICAL DATA 23
143
23.1
Engine
Design
1-cylinder 4-stroke engine, water-cooled
Displacement
349.7 cm³ (21.34 cu in)
Stroke
57.5 mm (2.264 in)
Bore
88 mm (3.46 in)
Compression ratio
13.5:1
Idle speed
1,950 … 2,050 rpm
Control
DOHC, four valves controlled via cam lever, drive via
timing chain
Valve diameter, intake
36.3 mm (1.429 in)
Valve diameter, exhaust
29.1 mm (1.146 in)
Valve clearance (EU)
Intake at: 20 °C (68 °F)
0.08 … 0.15 mm (0.0031 … 0.0059 in)
Exhaust at: 20 °C (68 °F)
0.12 … 0.19 mm (0.0047 … 0.0075 in)
Valve clearance (US)
Intake at: 20 °C (68 °F)
0.10 … 0.15 mm (0.0039 … 0.0059 in)
Exhaust at: 20 °C (68 °F)
0.13 … 0.18 mm (0.0051 … 0.0071 in)
Crankshaft bearing
2 cylinder bearings
Conrod bearing
Plain bearing
Piston pin bearing
Bearing bush
Pistons
Forged light alloy
Piston rings
1 compression ring, 1 oil scraper ring
Engine lubrication
Pressure circulation lubrication with 2 trochoidal
pumps
Primary transmission
24:73
Clutch
Multidisc clutch in oil bath/hydraulically activated
Gearbox
6 gear transmission, claw shifted
Transmission ratio
first-gear
14:32
second-gear
16:26
third-gear
20:25
fourth-gear
22:23
fifth-gear
25:22
sixth-gear
26:20
Alternator
12 V, 200 W
Ignition
Contactless controlled fully electronic ignition with
digital ignition adjustment
Spark plug
NGK LMAR9AI-10
Spark plug electrode gap
1.0 mm (0.039 in)
Cooling
Water cooling, permanent circulation of coolant by
water pump
Starting aid
Starter motor
Содержание F2203V4
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