Yamaha Wr 450 F Owners Manual
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ILLUSTRATED SYMBOLS (Refer to the illustration) Illustrated symbols 1 to 7 are designed as thumb tabs to indicate the chapter’s number and content. 1 General information 2 Specifications 3 Regular inspection and adjustments 4 Engine 5 Chassis 6 Electrical 7 Tuning Illustrated symbols 8 to D are used to identify the specifications appearing in the text. 8 With engine mounted 9 Special tool 0 Filling fluid A Lubricant B Tightening C Specified...
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MEMO
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EC090000 INDEX GENERAL INFORMATION 1 SPECIFICATIONS SPEC 2 REGULAR INSPECTION AND ADJUSTMENTS 3 ENGINE ENG 4 CHASSIS CHAS 5 ELECTRICAL ELEC 6 TUNING TUN 7 GEN INFO INSP ADJ –+
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EC0A0000 CONTENTS CHAPTER 1 GENERAL INFORMATION DESCRIPTION .......................................... 1-1 MACHINE IDENTIFICATION .................... 1-2 IMPORTANT INFORMATION ................... 1-3 CHECKING OF CONNECTION ................. 1-6 SPECIAL TOOLS ...................................... 1-7 CONTROL FUNCTIONS ......................... 1-10 FUEL ....................................................... 1-14 STARTING AND BREAK-IN ................... 1-15...
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CHAPTER 4 ENGINE SEAT, FUEL TANK AND SIDE COVERS ................................. 4-1 EXHAUST PIPE AND SILENCER ............ 4-3 RADIATOR ................................................ 4-5 CARBURETOR ......................................... 4-8 CAMSHAFTS .......................................... 4-21 CYLINDER HEAD ................................... 4-29 VALVES AND VALVE SPRINGS ........... 4-33 CYLINDER AND PISTON ....................... 4-42 CLUTCH...
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CHAPTER 6 ELECTRICAL ELECTRICAL COMPONENTS AND WIRING DIAGRAM ........................... 6-1 MAP-CONTROLLED CDI UNIT ................ 6-2 IGNITION SYSTEM ................................... 6-3 ELECTRIC STARTING SYSTEM .............. 6-7 CHARGING SYSTEM ............................. 6-17 TPS (THROTTLE POSITION SENSOR) SYSTEM .................................................. 6-19 LIGHTING SYSTEM ................................ 6-24 CHAPTER 7 TUNING ENGINE...
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GEN INFO 1 - 1 DESCRIPTION EC100000 GENERAL INFORMATION EC110000 DESCRIPTION 1 Clutch lever 2 Hot starter lever 3 “ENGINE STOP” button 4 Trip meter 5 Main switch 6 Lights switch 7 Start switch 8 Front brake lever 9 Throttle grip 0 Radiator cap A Fuel tank cap B Taillight C Kickstarter D Fuel tank E Headlight F Radiator G Coolant drain bolt H Rear brake pedal I Valve joint J Fuel cock K Cold starter knob L Air cleaner M Drive chain N Shift...
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1 - 2 GEN INFO MACHINE IDENTIFICATION EC120001 MACHINE IDENTIFICATION There are two significant reasons for knowing the serial number of your machine: 1. When ordering parts, you can give the number to your Yamaha dealer for posi- tive identification of the model you own. 2. If your machine is stolen, the authorities will need the number to search for and identify your machine. EC121001 VEHICLE IDENTIFICATION NUMBER The vehicle identification number 1 is stamped on the right of the...
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1 - 3 GEN INFO IMPORTANT INFORMATION EC130000 IMPORTANT INFORMATION EC131010 PREPARATION FOR REMOVAL AND DISASSEMBLY 1. Remove all dirt, mud, dust, and foreign material before removal and disassem- bly. When washing the machine with high pressured water, cover the parts as fol- lows. Silencer exhaust port Side cover air intake port Water pump housing hole at the bottom Drain hole on the cylinder head (right side) All electrical components 2. Use proper tools and cleaning...
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1 - 4 GEN INFO IMPORTANT INFORMATION EC132000 ALL REPLACEMENT PARTS 1. We recommend to use Yamaha genuine parts for all replacements. Use oil and/or grease recommended by Yamaha for assembly and adjustment. EC133000 GASKETS, OIL SEALS AND O-RINGS 1. All gaskets, oil seals, and O-rings should be replaced when an engine is over- hauled. All gasket surfaces, oil seal lips, and O-rings must be cleaned. 2. Properly oil all mating parts and bearings during reassembly. Apply grease to the oil seal lips....