Technical Data 20; Engine; Engine Tightening Torques - GAS GAS MC 85 2023 Owner's Manual

Table of Contents

20.1

Engine

Design

Displacement

Stroke

Bore

Idle speed

Crankshaft bearing

Conrod bearing

Piston pin bearing

Pistons

Piston rings

Engine lubrication

Primary transmission

Clutch

Transmission

Transmission ratio

1st gear

2nd gear

3rd gear

4th gear

5th gear

6th gear

Ignition

Spark plug

Spark plug electrode gap

Cooling

Starting aid

20.2

Engine tightening torques

Screw, adjusting lever

Screw, clutch spring retainer

Screw, control lever

Screw, crankshaft speed sensor

Screw, exhaust control bearing sup-

port

Screw, exhaust control cap

Screw, exhaust control cover

Screw, guide piece

Screw, ignition system/stator

1-cylinder 2-stroke engine, water-cooled, with reed intake

and exhaust control

84.93 cm³ (5.1828 cu in)

48.95 mm (1.9272 in)

47 mm (1.85 in)

1,400 ... 1,500 rpm

1 grooved ball bearing / 1 roller bearing

Needle bearing

Aluminum cast

1 rectangular ring

Mixed lubrication

20:64 straight cut spur gear wheel drive

Multidisc clutch in oil bath/hydraulically activated

6-gear transmission, claw shifted

11:29

14:28

16:26

19:26

21:25

20:21

Contactless controlled fully electronic ignition with digital

ignition adjustment

NGK BR9 ECMVX

0.60 mm (0.0236 in)

Water-cooled

Kick starter lever

M5x12