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22.1
Engine
Design
Displacement
Stroke
Bore
Compression ratio
Idle speed
Control
Valve diameter, intake
Valve diameter, exhaust
Valve clearance
Intake at: 20 °C (68 °F)
Exhaust at: 20 °C (68 °F)
Crankshaft bearing
Conrod bearing
Piston pin bearing
Pistons
Piston rings
Engine lubrication
Primary transmission
Clutch
Transmission ratio
first-gear
second-gear
third-gear
fourth-gear
fifth-gear
sixth-gear
Alternator
Ignition
Spark plug
Spark plug electrode gap
Cooling
Starting aid
TECHNICAL DATA 22
1-cylinder 4-stroke engine, water-cooled
510.9 cm³ (31.177 cu in)
72 mm (2.83 in)
95 mm (3.74 in)
12.75:1
1,800 ... 1,900 rpm
OHC, 4 valves controlled via rocker arm
40 mm (1.57 in)
33 mm (1.3 in)
0.10 ... 0.15 mm (0.0039 ... 0.0059 in)
0.12 ... 0.17 mm (0.0047 ... 0.0067 in)
2 cylinder roller bearing
Slide bearing
No bearing bush – DLC coated piston pin
Forged light alloy
1 compression ring, 1 oil scraper ring
Pressure circulation lubrication with 2 trochoidal
pumps
31:76
Multidisc clutch in oil bath, hydraulically activated
14:36
17:32
19:28
22:26
23:24
26:21
12 V, 196 W
Contactless controlled fully electronic ignition with
digital ignition adjustment
NGK LZMAR8BI-10
1.0 mm (0.039 in)
Water cooling, permanent circulation of coolant by
water pump
Starter motor
139
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