20 Technical Data; Engine; Engine Tightening Torques - GAS GAS MC 125 2022 Owner's Manual

20 TECHNICAL DATA

20.1
Design
Displacement
Stroke
Bore
Crankshaft bearing
Conrod bearing
Piston pin bearing
Pistons
Piston rings
X (upper edge of piston to upper edge of cylinder)
Z (height of control flap)
Primary transmission
Clutch
Gearbox
Transmission ratio
first-gear
second-gear
third-gear
fourth-gear
fifth-gear
sixth-gear
Ignition
Spark plug
Spark plug electrode gap
Starting aid
20.2
Screw, inner membrane sheets
Screw, membrane support plate
Screw, outer membrane sheets
Screw, clutch spring retainer
Screw, control lever, exhaust control
Screw, crankshaft speed sensor
Screw, exhaust control cap
Screw, exhaust control cover
Screw, locking lever
Screw, retaining bracket, rotary valve
Screw, stator
112

Engine

Engine tightening torques

EJOTDELTA PT
EJOTDELTA PT
EJOTDELTA PT
M5
M5
M5
M5
M5
M5
M5
M5
1-cylinder 2-stroke engine, water-cooled, with reed intake
and exhaust control
124.8 cm³ (7.616 cu in)
54.5 mm (2.146 in)
54 mm (2.13 in)
1 grooved ball bearing/1 roller bearing
Needle bearing
Needle bearing
Cast aluminum
2 half keystone rings
0 ... 0.10 mm (0 ... 0.0039 in)
36.5 mm (1.437 in)
23:73
Multidisc clutch in oil bath/hydraulically activated
6-gear transmission, claw shifted
14:32
15:30
17:28
19:27
19:23
22:24
Contactless controlled fully electronic ignition with digital
ignition adjustment
NGK BR9 ECMVX
0.60 mm (0.0236 in)
Kick starter system
® 35x25 1 Nm (0.7 lbf ft)
® 30x12 1 Nm (0.7 lbf ft)
® 30x6 1 Nm (0.7 lbf ft)
6 Nm (4.4 lbf ft)
6 Nm (4.4 lbf ft)
6 Nm (4.4 lbf ft)
5 Nm (3.7 lbf ft)
4 Nm (3 lbf ft)
6 Nm (4.4 lbf ft)
6 Nm (4.4 lbf ft)
6 Nm (4.4 lbf ft)
Loctite ® 243™
Loctite ® 243™
Loctite ® 243™
Loctite ® 2701™
Loctite ® 243™