Parts Catalog
SPORTSMAN 850 MV M12ZN8EAA/EAI
2012
2012
9923719 Rev. 02
Parts Manual
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© Copyright 2011 Printed 12/07/11
Cover photo may show optional equipment not
supplied with standard unit.
Selected Models
Illustrated Parts Lists .................................................... 4
BODY, CLUTCH COVER .................................................... 4
BODY, DECALS .................................................................. 6
BODY, FOIL, FUEL TANK, RESERVE ................................ 8
BODY, FRONT BUMPER and MOUNTING ...................... 10
BODY, FRONT CAB ......................................................... 12
BODY, FRONT RACK and BRUSHGUARD ..................... 14
BODY, FRONT RACK SUPPORT .................................... 16
BODY, FUEL TANK, MAIN ................................................ 18
BODY, FUEL TANK, RESERVE ........................................ 20
BODY, HEADLIGHT POD ................................................. 22
BODY, LITTER CARRIER AND IR UPFIT ........................ 24
BODY, REAR CAB, FOOTWELLS and SUPPORTS ........ 26
BODY, REAR RACK and BRUSHGUARD ........................ 28
BODY, ROLLBAR and FOOTWELL TUBES ..................... 30
BODY, SEAT ..................................................................... 32
BODY, SKID PLATES ....................................................... 34
BRAKES, BRAKE LINES ................................................. 36
BRAKES, BRAKE PEDAL and MASTER CYLINDER ...... 38
BRAKES, FRONT BRAKE LEVER and MASTER
CYLINDER ....................................................................... 40
BRAKES, FRONT CALIPER ............................................ 42
BRAKES, REAR CALIPER .............................................. 44
CHASSIS, MAIN FRAME ................................................. 46
DRIVE TRAIN, DRIVE COUPLER ................................... 48
DRIVE TRAIN, DRIVE SHAFT, FRONT ........................... 50
DRIVE TRAIN, DRIVE SHAFT, REAR ............................. 52
DRIVE TRAIN, FRONT GEARCASE INTERNALS .......... 54
DRIVE TRAIN, GEAR SELECTOR .................................. 56
DRIVE TRAIN, GEARCASE MOUNTING, FRONT .......... 58
DRIVE TRAIN, GEARCASE MOUNTING, REAR ............ 60
DRIVE TRAIN, MAIN GEARCASE ................................... 62
DRIVE TRAIN, PRIMARY CLUTCH ................................. 66
DRIVE TRAIN, PROP SHAFT, FRONT ............................ 68
DRIVE TRAIN, PROP SHAFT, REAR .............................. 70
DRIVE TRAIN, REAR GEARCASE INTERNALS ............. 72
DRIVE TRAIN, SECONDARY CLUTCH ........................... 74
ELECTRICAL, BATTERY ................................................. 76
ELECTRICAL, BULBS ..................................................... 78
ELECTRICAL, GAUGES and INDICATORS .................... 80
ELECTRICAL, HARNESS ................................................ 82
ELECTRICAL, HEADLIGHTS .......................................... 84
ELECTRICAL, IGNITION SYSTEM ................................. 86
ELECTRICAL, SWITCHES, SENSORS, ECU and CONTROL
MODULES ........................................................................ 88
ELECTRICAL, TAILLIGHTS ............................................. 90
ENGINE, AIR INTAKE ...................................................... 92
ENGINE, BALANCE SHAFT ............................................ 94
ENGINE, CAM CHAIN ..................................................... 96
ENGINE, COOLING BYPASS .......................................... 98
ENGINE, COOLING SYSTEM ....................................... 100
ENGINE, COOLING SYSTEM and WATER PUMP ........ 102
ENGINE, COOLING SYSTEM, RADIATOR SHIELD ..... 104
ENGINE, CRANKCASE ................................................. 106
ENGINE, CRANKSHAFT and PISTON .......................... 108
ENGINE, CYLINDER HEAD, CAM and VALVES ........... 110
ENGINE, EXHAUST ....................................................... 112
ENGINE, MOUNTING .................................................... 114
ENGINE, OIL SYSTEM .................................................. 116
ENGINE, SHORT BLOCK .............................................. 118
ENGINE, STARTING SYSTEM ...................................... 120
ENGINE, THROTTLE BODY .......................................... 122
ENGINE, VALVE COVER ............................................... 124
OPTIONS, WINCH ......................................................... 126
STEERING, CONTROLS, THROTTLE ASM. and
CABLE ............................................................................ 128
STEERING, HANDLEBAR and CONTROLS ................. 130
STEERING, STEERING POST ASM ............................. 132
SUSPENSION, FRONT A-ARMS .................................. 134
SUSPENSION, REAR .................................................... 136
SUSPENSION, SHOCK, FRONT ................................... 138
SUSPENSION, SHOCK, REAR ..................................... 140
SUSPENSION, STABILIZER BAR ................................. 142
TOOLS, TOOL KIT ......................................................... 144
WHEELS, FRONT and HUB .......................................... 146
WHEELS, REAR and HUB ............................................. 148
Part Number Index ..................................................... 150
Part Description Index .............................................. 153
© Copyright 2011. All rights reserved.
Polaris Industries provides this publication as is without warranty of any kind, either expressed or implied.While every precaution has been taken in the preparation of this
manual, Polaris assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein.
Polaris reserves the right to revise and improve its products as it sees fit.This publication describes the state of this product at the time of its publication, and may not reflect
the product in the future. The illustrations in this manual are not intended for safe and proper assembly or disassembly of equipment. The illustrations are intended for
ordering parts only.
Polaris is registered trademark.
All other brands and product names are trademarks or registered trademarks of their respective holders.
Printed in the United States of America.
2 Parts Catalog 9923719 Rev. 02 12/07/11
Table of Contents
B
BODY, CLUTCH COVER ..................................................... 4
BODY, DECALS ................................................................... 6
BODY, FOIL, FUEL TANK, RESERVE ................................. 8
BODY, FRONT BUMPER and MOUNTING ....................... 10
BODY, FRONT CAB ........................................................... 12
BODY, FRONT RACK and BRUSHGUARD ....................... 14
BODY, FRONT RACK SUPPORT ...................................... 16
BODY, FUEL TANK, MAIN ................................................. 18
BODY, FUEL TANK, RESERVE ......................................... 20
BODY, HEADLIGHT POD .................................................. 22
BODY, LITTER CARRIER AND IR UPFIT ......................... 24
BODY, REAR CAB, FOOTWELLS and SUPPORTS .......... 26
BODY, REAR RACK and BRUSHGUARD ......................... 28
BODY, ROLLBAR and FOOTWELL TUBES ...................... 30
BODY, SEAT ....................................................................... 32
BODY, SKID PLATES ......................................................... 34
BRAKES, BRAKE LINES ................................................... 36
BRAKES, BRAKE PEDAL and MASTER CYLINDER ....... 38
BRAKES, FRONT BRAKE LEVER and MASTER
CYLINDER ....................................................................... 40
BRAKES, FRONT CALIPER .............................................. 42
BRAKES, REAR CALIPER ................................................ 44
C
CHASSIS, MAIN FRAME ................................................... 46
D
DRIVE TRAIN, DRIVE COUPLER ..................................... 48
DRIVE TRAIN, DRIVE SHAFT, FRONT ............................. 50
DRIVE TRAIN, DRIVE SHAFT, REAR ............................... 52
DRIVE TRAIN, FRONT GEARCASE INTERNALS ............ 54
DRIVE TRAIN, GEAR SELECTOR .................................... 56
DRIVE TRAIN, GEARCASE MOUNTING, FRONT ........... 58
DRIVE TRAIN, GEARCASE MOUNTING, REAR .............. 60
DRIVE TRAIN, MAIN GEARCASE .................................... 62
DRIVE TRAIN, PRIMARY CLUTCH ................................... 66
DRIVE TRAIN, PROP SHAFT, FRONT .............................. 68
DRIVE TRAIN, PROP SHAFT, REAR ................................ 70
DRIVE TRAIN, REAR GEARCASE INTERNALS .............. 72
DRIVE TRAIN, SECONDARY CLUTCH ............................ 74
E
ELECTRICAL, BATTERY ................................................... 76
ELECTRICAL, BULBS ....................................................... 78
ELECTRICAL, GAUGES and INDICATORS ...................... 80
ELECTRICAL, HARNESS ................................................. 82
ELECTRICAL, HEADLIGHTS ............................................ 84
ELECTRICAL, IGNITION SYSTEM ................................... 86
ELECTRICAL, SWITCHES, SENSORS, ECU and CONTROL
MODULES ........................................................................ 88
ELECTRICAL, TAILLIGHTS ............................................... 90
ENGINE, AIR INTAKE ........................................................ 92
ENGINE, BALANCE SHAFT .............................................. 94
ENGINE, CAM CHAIN ....................................................... 96
ENGINE, COOLING BYPASS ............................................ 98
ENGINE, COOLING SYSTEM ......................................... 100
ENGINE, COOLING SYSTEM and WATER PUMP ......... 102
ENGINE, COOLING SYSTEM, RADIATOR SHIELD ....... 104
ENGINE, CRANKCASE ................................................... 106
ENGINE, CRANKSHAFT and PISTON ............................ 108
ENGINE, CYLINDER HEAD, CAM and VALVES ............. 110
ENGINE, EXHAUST ........................................................ 112
ENGINE, MOUNTING ...................................................... 114
ENGINE, OIL SYSTEM .................................................... 116
ENGINE, SHORT BLOCK ............................................... 118
ENGINE, STARTING SYSTEM ........................................ 120
ENGINE, THROTTLE BODY ............................................ 122
ENGINE, VALVE COVER ................................................. 124
O
OPTIONS, WINCH ........................................................... 126
S
STEERING, CONTROLS, THROTTLE ASM. and CABLE.128
STEERING, HANDLEBAR and CONTROLS ................... 130
STEERING, STEERING POST ASM ............................... 132
SUSPENSION, FRONT A-ARMS .................................... 134
SUSPENSION, REAR ..................................................... 136
SUSPENSION, SHOCK, FRONT .................................... 138
SUSPENSION, SHOCK, REAR ....................................... 140
SUSPENSION, STABILIZER BAR ................................... 142
T
TOOLS, TOOL KIT ........................................................... 144
W
WHEELS, FRONT and HUB ............................................ 146
WHEELS, REAR and HUB .............................................. 148
Alphabetized Table of Contents
12/07/11 Parts Catalog 9923719 Rev. 02 3
4 Parts Catalog 9923719 Rev. 02 12/07/11
Polaris Illustrated Parts Lists
Selected Models
BODY, CLUTCH COVER
Applies to M12ZN8EAA/EAI [49MVCLUTCHCVR12SP850]
Notes Part Description Qty Part No. Ref.
[Incl. Outer Cover,3,4] Asm., Cover, Outer 1 2633919 1.
Cover, Clutch Inner 1 5438127 2.
Plug, Drain 1 5434264 3.
O-Ring 1 5410542 4.
Seal, Cover, Clutch 1 5521802 5.
Clamp, Narrow Band 4 7081279 6.
Screw 10 7518914 7.
Duct, Outlet 1 5439157 8.
Duct, Air Inlet 1 5436820 9.
Boot, Clutch, Inlet 1 5413177 10.
Screw 11 7512094 11.
Boot, Outlet, Duct 1 5413667 12.
Boot, Inlet, Duct 1 5413516 13.
Rivet 1 7661855 14.
12/07/11 Parts Catalog 9923719 Rev. 02 5
Illustrated Parts Lists Polaris
Selected Models
BODY, CLUTCH COVER
Applies to M12ZN8EAA/EAI [49MVCLUTCHCVR12SP850]
6 Parts Catalog 9923719 Rev. 02 12/07/11
Polaris Illustrated Parts Lists
Selected Models
BODY, DECALS
Applies to M12ZN8EAA/EAI [49MVDECAL12SP850]
Notes Part Description Qty Part No. Ref.
Decal, Warning, Clutch Cover 1 7175488 1.
Decal, Clutch, Retaining Bolt 1 7175883 2.
12/07/11 Parts Catalog 9923719 Rev. 02 7
Illustrated Parts Lists Polaris
Selected Models
BODY, DECALS
Applies to M12ZN8EAA/EAI [49MVDECAL12SP850]
8 Parts Catalog 9923719 Rev. 02 12/07/11
Polaris Illustrated Parts Lists
Selected Models
BODY, FOIL, FUEL TANK, RESERVE
Applies to M12ZN8EAA/EAI [49MVFOIL12SP850]
Notes Part Description Qty Part No. Ref.
Foil, Bottom 1 5813857 1.
Foil, Sump 1 5813858 2.
Foil, Filler 1 5813859 3.
12/07/11 Parts Catalog 9923719 Rev. 02 9
Illustrated Parts Lists Polaris
Selected Models
BODY, FOIL, FUEL TANK, RESERVE
Applies to M12ZN8EAA/EAI [49MVFOIL12SP850]
10 Parts Catalog 9923719 Rev. 02 12/07/11
Polaris Illustrated Parts Lists
Selected Models
BODY, FRONT BUMPER and MOUNTING
Applies to M12ZN8EAA/EAI [49MVBUMPER12SP850]
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