TECHNICAL DATA 21
103
21.1
Engine
Design
1-cylinder 2-stroke engine, water-cooled, with reed intake
Displacement
49.0 cm³ (2.99 cu in)
Stroke
40 mm (1.57 in)
Bore
39.5 mm (1.555 in)
Crankshaft bearing
2 grooved ball bearings
Conrod bearing
Needle bearing
Piston pin bearing
Needle bearing
Pistons
Aluminum cast
Piston rings
1 rectangular ring
Engine lubrication
Mixed lubrication
Primary transmission
33:61 straight cut spur gear wheel drive
Clutch
Multi-disc centrifugal force clutch on the main shaft
Gearbox
Rigid 1-stage reduction gear
Transmission ratio
14:31
Ignition
SELETTRA 2p D36
Spark plug
NGK LR 8 B
Spark plug electrode gap
0.60 mm (0.0236 in)
Cooling
Water-cooled
Starting aid
Kick starter system
21.2
Engine tightening torques
Screw, bearing retainer
M5
5 Nm (3.7 lbf ft)
Screw, kick starter lever
M5
6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, stator clamp
M5
6 Nm (4.4 lbf ft)
Loctite
®
222™
Screw, water pump impeller
M5
2 Nm (1.5 lbf ft)
Loctite
®
243™
Bleeder flange of engine case
M6
4 Nm (3 lbf ft)
Loctite
®
243™
Drain plug, water pump cover
M6
6 Nm (4.4 lbf ft)
Screw, alternator cover
M6
6 Nm (4.4 lbf ft)
Screw, clutch cover
M6
10 Nm (7.4 lbf ft)
Screw, engine case
M6
10 Nm (7.4 lbf ft)
Screw, engine sprocket cover
M6
10 Nm (7.4 lbf ft)
Screw, exhaust flange
M6
10 Nm (7.4 lbf ft)
Loctite
®
243™
Screw, fitting pin
M6
10 Nm (7.4 lbf ft)
Loctite
®
2701™
Screw, gear oil level monitoring
M6
6 Nm (4.4 lbf ft)
Screw, ground wire
M6
6 Nm (4.4 lbf ft)
Screw, ignition coil
M6
4 Nm (3 lbf ft)
Loctite
®
243™
Screw, intake flange
M6
5 Nm (3.7 lbf ft)
Loctite
®
243™
Screw, pressure plate
M6
10 Nm (7.4 lbf ft)
Loctite
®
243™
Содержание MC50 2021
Страница 1: ...OWNER S MANUAL 2021 MC 50 Art no 3215005en...
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