Printed on chlorine-free paper
Printing inks contain vegetable oils, paper can be
recycled.
© ANDREAS STIHL AG & Co. KG, 2020
RA_004_2018_01_01. VA4.A20.
0000008112_006_GB
MS 500i 1
This service manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process with electronic
systems.
Contents
1 About this Service Manual 3
1.1 Applicable Documentation 3
1.2 Symbols in Text 3
2 Safety During Repair Work 3
2.1 Protective gloves 3
2.2 Safety glasses 3
2.3 Replacement Parts 3
2.4 Screws 3
3 Preparations for Repair 3
3.1 Preparations 3
4 Troubleshooting Guide 4
4.1 Troubleshooting Guide 4
5 Spiked Bumper, Chain Catcher 5
5.1 Tools, Servicing Aids 5
5.2 Removing the Chain Catcher 5
5.3 Installing the Chain Catcher 5
5.4 Removing the Spiked Bumper 5
5.5 Installing the Spiked Bumper 5
6 Bar Mounting Studs 6
6.1 Tools, Servicing Aids 6
6.2 Removing the Bar Mounting Studs 6
6.3 Installing the Bar Mounting Studs 6
7 Filter Cover, Shroud 7
7.1 Tools, Servicing Aids 7
7.2 Removing the Twist Lock 7
7.3 Installing the Twist Lock 7
7.4 Removing the Stop Buffer 7
7.5 Installing the Stop Buffer 7
7.6 Removing the Shroud Lock 7
7.7 Installing the Shroud Lock 7
8 Decompression Valve 8
8.1 Tools, Servicing Aids 8
8.2 Removing the Decompression Valve 8
8.3 Installing the Decompression Valve 8
9 Handle 9
9.1 Tools, Servicing Aids 9
9.2 Removing the Handlebar 9
9.3 Installing the Handlebar 9
10 Rewind Starter 11
10.1 Tools, Servicing Aids 11
10.2 Removing the Rewind Starter 11
10.3 Relieving Tension of Rewind Spring 11
10.4 Removing the Starter Rope 12
10.5 Removing the Rope Rotor 12
10.6 Removing the Rewind Spring 12
10.7 Installing the rewind spring 12
10.8 Installing the Rope Rotor 13
10.9 Installing the Starter Rope 13
10.10 Tensioning the Rewind Spring. 14
10.11 Installing the Rewind Starter 14
11 Clutch 15
11.1 Tools, aids 15
11.2 Removing Clutch 15
11.3 Checking clutch drum 15
11.4 Disassembling clutch 16
11.5 Assembling clutch 16
11.6 Installing clutch 16
12 Chain Tensioner 17
12.1 Tools, Servicing Aids 17
12.2 Removing the Chain Tensioner 17
12.3 Installing the Chain Tensioner 17
13 Chain Brake 18
13.1 Tools, Servicing Aids 18
13.2 Removing the Brake Band, Spring and Lever 18
13.3 Installing the Brake Band, Spring and Lever 19
13.4 Testing the Chain Brake 20
14 Chain lubrication 21
14.1 Tools, Servicing Aids 21
14.2 Removing Oil Tank Vent Valve 21
14.3 Installing Oil Tank Vent Valve 22
14.4 Removing the Worm 22
14.5 Removing the Oil Pump 22
14.6 Removing the Hose 22
14.7 Removing Pickup Body from Oil Tank 22
14.8 Installing Pickup Body in Oil Tank 22
14.9 Installing the Hose 22
14.10 Installing the Oil Pump 22
14.11 Installing the Worm 23
15 Filter Base, Throttle Body 24
15.1 Tools, Servicing Aids 24
15.2 Removing the Filter Base 24
15.3 Installing the Filter Base 24
15.4 Removing the Throttle Body 24
15.5 Installing the Throttle Body 24
16 Throttle Control 25
16.1 Tools, Servicing Aids 25
16.2 Removing Trigger Lockout, Throttle Trigger
and Throttle Linkage 25
16.3 Installing Trigger Lockout, Throttle Trigger
and Throttle Linkage 26
17 Antivibration Elements 27
17.1 Tools, Servicing Aids 27
17.2 Removing the Antivibration Elements 27
17.3 Installing the Antivibration Elements 28
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