20 TECHNICAL DATA
120
20.1
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 (TC 50)
Mixture oil lubrication
Engine lubrication (TC 50 Mini)
Separate lubrication
Primary transmission
33:61 straight cut spur gear
Clutch
Multi-disc automatic clutch on the main
shaft/centrifugal force
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
Kickstarter
20.2
Engine tightening torques
Screw, bearing retainer
M5
5 Nm (3.7 lbf ft)
Screw, kickstarter
M5
6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, oil pump (TC 50 Mini)
M5
6 Nm (4.4 lbf ft)
Screw, stator clamp
M5
6 Nm (4.4 lbf ft)
Loctite
®
222™
Screw, water pump wheel
M5
5 Nm (3.7 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
®
648™
Screw, gear oil level check
M6
6 Nm (4.4 lbf ft)
Summary of Contents for TC 50
Page 1: ...OWNER S MANUAL 2018 TC 50 TC 50 Mini Art no 3402161en ...
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