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Yamaha WR250FM - page 274

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CHAS

STEERING

Extent of removal Order Part name Q’ty Remarks

10 Ball race cover 1

11 Upper bearing 1

12 Lower bearing 1 Refer to “REMOVAL POINTS”.

13 Ball race 2

2

Contents

Main Page Page INTRODUCTION Page IMPORTANT NOTICE SAFETY INFORMATION Page TO THE NEW OWNER NOTICE HOW TO USE THIS MANUAL PARTICULARLY IMPORTANT INFORMATION MANUAL FORMAT HOW TO READ DESCRIPTIONS ILLUSTRATED SYMBOLS (Refer to the illustration) Illustrated symbols 1 to 7 are designed as thumb tabs to indicate the chapters number and content. Illustrated symbols 8 to D are used to identify the specifications appearing in the text. INFO SPEC ADJ ENG New TUN EM Page Page Page CHAPTER 4 ENGINE CHAPTER 5 CHASSIS Page DESCRIPTION GENERAL INFORMATION DESCRIPTION MACHINE IDENTIFICATION Page Page Page CHECKING OF CONNECTION Page 1 - 8 Part number Tool name/How to use Illustration 1 - 9 Part number Tool name/How to use Illustration Page Page Page Page FUEL Page Page Page Page 1 - 19 TORQUE-CHECK POINTS TORQUE-CHECK POINTS Concerning the tightening torque, refer to MAINTENANCE SPECIFICATIONS section in the CHAPTER 2. Page Page SPECIFICATIONS Page Page Page Page * H D Page Page Page Page Page Page Page Page Page Page Page Page GENERAL TORQUE SPECIFICATIONS DEFINITION OF UNITS GENERAL TORQUE SPECIFICATIONS/ DEFINITION OF UNITS 2 - 20 2 - 21 2 - 22 2 - 23 2 - 24 2 - 25 2 - 26 2 - 27 2 - 28 3 - 1 REGULAR INSPECTION AND ADJUSTMENTS 3 - 2 3 - 3 *marked: For USA 3 - 4 PRE-OPERATION INSPECTION AND MAINTENANCE ENGINE ENGINE/COOLANT LEVEL INSPECTION/ Page Page RADIATOR CAP INSPECTION/ RADIATOR CAP OPENING PRESSURE INSPECTION COOLING SYSTEM INSPECTION/ CLUTCH ADJUSTMENT THROTTLE CABLE ADJUSTMENT THROTTLE LUBRICATION/ HOT STARTER LEVER ADJUSTMENT Page AIR FILTER CLEANING ENGINE OIL LEVEL INSPECTION Page Page Page OIL PRESSURE INSPECTION/ PILOT SCREW ADJUSTMENT ENGINE IDLING SPEED ADJUSTMENT/ Page Page Page 3 - 23 INTAKE EXHAUST SPARK ARRESTER CLEANING (For USA) CHASSIS CHASSIS/BRAKE SYSTEM AIR BLEEDING FRONT BRAKE ADJUSTMENT REAR BRAKE ADJUSTMENT/ FRONT BRAKE PAD INSPECTION AND REPLACEMENT FRONT BRAKE PAD INSPECTION AND REPLACEMENT Page REAR BRAKE PAD INSPECTION AND REPLACEMENT REAR BRAKE PAD INSULATOR INSPECTION/ BRAKE FLUID LEVEL INSPECTION SPROCKETS INSPECTION/DRIVE CHAIN INSPECTION DRIVE CHAIN INSPECTION DRIVE CHAIN SLACK ADJUSTMENT FRONT FORK INSPECTION/ FRONT FORK OIL SEAL AND DUST SEAL CLEANING FRONT FORK INTERNAL PRESSURE RELIEVING/FRONT FORK REBOUND DAMPING FORCE ADJUSTMENT FRONT FORK COMPRESSION DAMPING FORCE REAR SHOCK ABSORBER INSPECTION REAR SHOCK ABSORBER SPRING PRELOAD REAR SHOCK ABSORBER REBOUND DAMPING FORCE REAR SHOCK ABSORBER LOW COMPRESSION DAMPING FORCE ADJUSTMENT REAR SHOCK ABSORBER HIGH COMPRESSION DAMPING FORCE ADJUSTMENT TIRE PRESSURE CHECK/SPOKES INSPECTION AND TIGHTENING/WHEEL INSPECTION Page STEERING HEAD INSPECTION AND ADJUSTMENT LUBRICATION ELECTRICAL/SPARK PLUG INSPECTION/ IGNITION TIMING CHECK ELECTRICAL IGNITION TIMING CHECK Page Page Page Page Page Page BATTERY REPLACEMENT/FUSE INSPECTION FUSE INSPECTION REPLACING THE HEADLIGHT BULBS/ ADJUSTING THE HEADLIGHT BEAMS 4 - 1 ENGINE 1 3 Page 4 - 3 Page 4 - 5 Page Page 4 - 8 2 Nm (0.2 m kg, 1.4 ft Ib) 3 Nm (0.3 m kg, 2.2 ft Ib) 11 Nm (1.1 m kg, 8.0 ft Ib) 4 Nm (0.4 m kg, 2.9 ft Ib) 4 - 9 CARBURETOR DISASSEMBLY 4 - 10 Page Page Page Page Page Page Page Page Page Page Page 4 - 22 CYLINDER HEAD COVER 4 - 23 CAMSHAFTS Page Page Page Page Page 5 4New Page 4 - 31 Page Page 4 - 34 Page Page Page Page Page Page Page Page 4 - 43 Page Page Page Page bce 3New d Page 4 - 50 4 - 51 Page Page Page c ab Page Page 4 - 58 Page Page Page Page Page 4 - 64 Page Page 4 - 67 Page Page Page Page 4 - 72 4 - 73 Page Page Page Page Page 4 - 79 4 - 80 Page Page Page Page Page 4 - 86 4 - 87 Page Page Page Page 4 - 92 4 - 93 4 - 94 CRANKCASE BEARING Page Page Page Page Page Page 4 - 101 Page Page Page Page 5 - 1 CHASSIS FRONT WHEEL 5 - 2 REAR WHEEL Page Page Page Page Page Page Page Page 5 - 11 FRONT BRAKE 5 - 12 REAR BRAKE 5 - 13 BRAKE CALIPER DISASSEMBLY 5 - 14 BRAKE MASTER CYLINDER DISASSEMBLY Page Page Page Page Page Page Page Page Page Page Page Page 5 - 27 5 - 28 FRONT FORK DISASSEMBLY Page Page Page Page Page Page Page Page Page Page Page 5 - 40 Page c Page Page Page 5 - 46 Page Page Page Page Page Page 5 - 53 5 - 54 SWINGARM DISASSEMBLY Page Page Page Page Page Page 5 - 61 5 - 62 Page Page Page Page Page Page 6 - 1 + K 2 ELECTRICAL EC610000 ELECTRICAL COMPONENTS AND WIRING DIAGRAM EC611000 ELECTRICAL COMPONENTS MAP-CONTROLLED CDI UNIT MAP-CONTROLLED CDI UNIT Page Page Page Page Page M Page Page Page Page Page Page Page Page Page Page Page Page ba Page Page Page Page TUNING ENGINE Page Page Page Page Page Page Page Page 7 - 10 Examples of carburetor setting depending on symptom * CHASSIS Page Page Page Page Page Page * Page Page 7 - 21 Suspension setting Front fork 7 - 22 Rear shock absorber

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