2004 2005 2006 Yamaha RS Vector Nytro Rage Factory Manuals

INDEX GENERAL INFORMATION GEN INFO 1 PERIODIC INSPECTION AND ADJUSTMENT INSP ADJ 2 CHASSIS CHAS 3 POWER TRAIN POWR TR 4 ENGINE ENG 5 COOLING SYSTEM COOL 6 CARBURETION CARB 7 ELECTRICAL ELEC 8 SPECIFICATIONS SPEC 9 – +

CHAPTER 1. GENERAL INFORMATION MACHINE IDENTIFICATION............................ 1-1 FRAME SERIAL NUMBER ......................... 1-1 ENGINE SERIAL NUMBER ........................ 1-1 IMPORTANT INFORMATION .......................... 1-2 PREPARATION FOR REMOVAL AND DISASSEMBLY........................................... 1-2 ALL REPLACEMENT PARTS..................... 1-2 GASKETS, OIL SEALS, AND O-RINGS..... 1-3 LOCK WASHERS/PLATES AND COTTER PINS ................................... 1-3 BEARINGS AND OIL SEALS ..................... 1-3 CIRCLIPS ................................................... 1-3 LOCTITE ® .................................................. 1-3 SPECIAL TOOLS ............................................. 1-4 FOR TUNE UP............................................ 1-4 FOR ENGINE SERVICE ............................. 1-4 FOR POWER TRAIN SERVICE ................. 1-7 FOR CARBURETION SERVICE ................ 1-8 FOR ELECTRICAL SERVICE .................... 1-8 CHAPTER 2. PERIODIC INSPECTION AND ADJUSTMENT INTRODUCTION............................................... 2-1 PERIODIC MAINTENANCE CHART................ 2-1 ENGINE ............................................................ 2-3 SPARK PLUGS........................................... 2-3 FUEL LINE INSPECTION ........................... 2-3 COOLING SYSTEM.................................... 2-4 VALVE CLEARANCE ADJUSTMENT ........ 2-7 CARBURETOR SYNCHRONIZATION ..... 2-13 ENGINE IDLE SPEED ADJUSTMENT ..... 2-14 THROTTLE CABLE FREE PLAY ADJUSTMENT .......................................... 2-15 THROTTLE OVERRIDE SYSTEM (T.O.R.S.) CHECK .................................... 2-16 COMPRESSION PRESSURE MEASUREMENT ...................................... 2-17 ENGINE OIL LEVEL INSPECTION .......... 2-18 ENGINE OIL REPLACEMENT ................. 2-20 CRANKCASE BREATHER HOSE INSPECTION ............................................ 2-23 CARBURETOR JOINTS INSPECTION .... 2-23 CHECKING THE AIR FILTER ELEMENT ................................................. 2-23 EXHAUST SYSTEM INSPECTION .......... 2-24 POWER TRAIN............................................... 2-25 SHEAVE OFFSET ADJUSTMENT ........... 2-25 DRIVE V-BELT.......................................... 2-27 ENGAGEMENT SPEED CHECK .............. 2-29 PARKING BRAKE ADJUSTMENT............ 2-30 BRAKE FLUID LEVEL INSPECTION ....... 2-30 BRAKE PAD INSPECTION....................... 2-31 BRAKE HOSE INSPECTION .................... 2-31 AIR BLEEDING (HYDRAULIC BRAKE SYSTEM) .................................................. 2-32 DRIVE CHAIN ........................................... 2-33 TRACK TENSION ADJUSTMENT ............ 2-35 SLIDE RUNNER INSPECTION ................ 2-37 MAXIMIZING DRIVE TRACK LIFE ........... 2-37 CHASSIS ........................................................ 2-39 SKI/SKI RUNNER ..................................... 2-39 STEERING SYSTEM ................................ 2-40 LUBRICATION .......................................... 2-41 ELECTRICAL ................................................. 2-44 HEADLIGHT BEAM ADJUSTMENT ......... 2-44 BATTERY INSPECTION........................... 2-44 FUSE INSPECTION.................................. 2-52 SPEEDOMETER UNIT INSPECTION ...... 2-54 TUNING .......................................................... 2-55 CARBURETOR TUNING .......................... 2-55 CLUTCH.................................................... 2-62 GEAR SELECTION................................... 2-67 HIGH ALTITUDE TUNING ........................ 2-73 FRONT SUSPENSION ............................. 2-74 REAR SUSPENSION................................ 2-75 CHAPTER 3. CHASSIS STEERING ........................................................ 3-1 RS90/RS90R/RSG90/RST90/RST90TF ..... 3-1 RS90M ........................................................ 3-3 REMOVAL................................................... 3-7 INSPECTION .............................................. 3-7 INSTALLATION........................................... 3-8 SKI .................................................................. 3-12 RS90/RS90R/RSG90 “USA/Canada” ....... 3-12 RSG90 “Europe”/RST90 “Europe”/ RST90TF................................................... 3-13 RS90M ...................................................... 3-14 RST90 “USA/Canada”............................... 3-15 INSPECTION ............................................ 3-16 INSTALLATION (RST90 “USA/Canada”) ............................ 3-17

FRONT SUSPENSION ................................... 3-18 HANDLING NOTES .................................. 3-20 INSPECTION ............................................ 3-20 INSTALLATION ........................................ 3-21 CHAPTER 4. POWER TRAIN PRIMARY SHEAVE AND DRIVE V-BELT ....... 4-1 REMOVAL .................................................. 4-3 DISASSEMBLY........................................... 4-3 INSPECTION .............................................. 4-4 ASSEMBLY................................................. 4-6 INSTALLATION .......................................... 4-9 SECONDARY SHEAVE ................................. 4-10 DISASSEMBLY......................................... 4-12 INSPECTION ............................................ 4-12 ASSEMBLY............................................... 4-13 INSTALLATION ........................................ 4-15 DRIVE CHAIN HOUSING ............................... 4-16 WITHOUT REVERSE MODEL ................. 4-16 REMOVAL ................................................ 4-18 INSPECTION ............................................ 4-18 INSTALLATION ........................................ 4-20 WITH REVERSE MODEL ......................... 4-21 REMOVAL ................................................ 4-24 INSPECTION ............................................ 4-24 INSTALLATION ........................................ 4-25 SECONDARY SHAFT .................................... 4-27 REMOVAL ................................................ 4-28 INSPECTION ............................................ 4-29 INSTALLATION ........................................ 4-29 SECONDARY SHAFT AND DRIVE CHAIN HOUSING INSTALLATION....................... 4-32 BRAKE ........................................................... 4-34 BRAKE PAD REPLACEMENT ................. 4-35 BRAKE CALIPER DISASSEMBLY ........... 4-38 BRAKE CALIPER INSPECTION AND REPAIR ............................................ 4-38 BRAKE CALIPER ASSEMBLY ................. 4-39 BRAKE CALIPER INSTALLATION ........... 4-39 INSPECTION ............................................ 4-41 BRAKE MASTER CYLINDER ASSEMBLY............................................... 4-41 INSTALLATION ........................................ 4-41 SLIDE RAIL SUSPENSION............................ 4-42 RS90/RS90R............................................. 4-42 RSG90 ...................................................... 4-48 RS90M ...................................................... 4-53 RST90 ....................................................... 4-59 RST90TF................................................... 4-65 REMOVAL................................................. 4-72 INSPECTION ............................................ 4-72 ASSEMBLY ............................................... 4-73 INSTALLATION......................................... 4-75 FRONT AXLE AND TRACK ........................... 4-78 INSPECTION ............................................ 4-79 INSTALLATION......................................... 4-79 CHAPTER 5. ENGINE SEAT AND FUEL TANK................................... 5-1 RS90/RS90R/RSG90/RS90M..................... 5-1 BACKREST AND PASSENGER SEAT ........... 5-2 RST90/RST90TF ........................................ 5-2 RIDER SEAT AND FUEL TANK ...................... 5-3 RST90/RST90TF ........................................ 5-3 REMOVAL................................................... 5-4 INSTALLATION........................................... 5-4 OIL TANK ......................................................... 5-5 ENGINE ASSEMBLY ....................................... 5-6 HOSE AND LEADS..................................... 5-6 ENGINE ASSEMBLY .................................. 5-8 REMOVAL................................................... 5-9 INSTALLATION........................................... 5-9 EXHAUST PIPE AND MUFFLER ................... 5-11 INSTALLATION......................................... 5-12 CAMSHAFTS.................................................. 5-14 CYLINDER HEAD COVER ....................... 5-14 CAMSHAFTS ............................................ 5-15 REMOVAL................................................. 5-16 INSPECTION ............................................ 5-17 INSTALLATION......................................... 5-20 CYLINDER HEAD........................................... 5-24 REMOVAL................................................. 5-25 INSPECTION ............................................ 5-25 INSTALLATION......................................... 5-26 VALVES AND VALVE SPRINGS ................... 5-28 REMOVAL................................................. 5-29 INSPECTION ............................................ 5-30 INSTALLATION......................................... 5-34

A.C. MAGNETO ROTOR AND STARTER CLUTCH............................... 5-37 REMOVAL ................................................ 5-38 INSPECTION ............................................ 5-39 INSTALLATION ........................................ 5-40 OIL PAN AND OIL PUMP .............................. 5-42 REMOVAL ................................................ 5-45 INSPECTION ............................................ 5-45 INSTALLATION ........................................ 5-47 CRANKCASE ................................................. 5-49 CRANKCASE............................................ 5-49 CONNECTING RODS AND PISTONS ..... 5-51 CRANKSHAFT AND BALANCER SHAFT ......................... 5-52 REMOVAL ................................................ 5-54 INSPECTION ............................................ 5-56 INSTALLATION ........................................ 5-67 CHAPTER 6. COOLING SYSTEM HEAT EXCHANGER ........................................ 6-1 INSPECTION .............................................. 6-4 INSTALLATION .......................................... 6-5 THERMOSTAT ................................................. 6-6 INSPECTION .............................................. 6-7 INSTALLATION .......................................... 6-7 WATER PUMP.................................................. 6-9 REMOVAL ................................................ 6-11 DISASSEMBLY......................................... 6-11 INSPECTION ............................................ 6-12 ASSEMBLY............................................... 6-12 INSTALLATION ........................................ 6-13 CHAPTER 7. CARBURETION CARBURETORS AND FUEL PUMP................ 7-1 INSPECTION .............................................. 7-6 ASSEMBLY................................................. 7-8 INSTALLATION .......................................... 7-9 FUEL LEVEL ADJUSTMENT ................... 7-10 THROTTLE POSITION SENSOR (T.P.S.) INSPECTION AND ADJUSTMENT .......... 7-11 INSPECTION ............................................ 7-12 INSTALLATION ........................................ 7-13 CHAPTER 8. ELECTRICAL SWITCH INSPECTION ..................................... 8-1 SWITCH INSPECTION ............................... 8-1 INSPECTING A SWITCH SHOWN IN THE MANUAL ........................................ 8-1 IGNITION SYSTEM .......................................... 8-2 CIRCUIT DIAGRAM.................................... 8-2 TROUBLESHOOTING ................................ 8-4 IGNITION SPARK GAP .............................. 8-6 IGNITION COIL ........................................... 8-6 PICKUP COIL ............................................. 8-7 THROTTLE OVERRIDE SYSTEM (T.O.R.S.) .................................................... 8-8 ENGINE STOP SWITCH ............................ 8-8 THROTTLE SWITCH .................................. 8-9 MAIN SWITCH ............................................ 8-9 ELECTRICAL STARTING SYSTEM .............. 8-10 CIRCUIT DIAGRAM.................................. 8-10 TROUBLESHOOTING .............................. 8-11 STARTER MOTOR ................................... 8-13 CHARGING SYSTEM ..................................... 8-18 CIRCUIT DIAGRAM.................................. 8-18 TROUBLESHOOTING .............................. 8-19 BATTERY.................................................. 8-20 A.C. MAGNETO ........................................ 8-20 LIGHTING SYSTEM ....................................... 8-22 CIRCUIT DIAGRAM.................................. 8-22 TROUBLESHOOTING .............................. 8-24 BULB(S) .................................................... 8-26 HEADLIGHT BEAM SWITCH ................... 8-26 HEADLIGHT RELAY ................................. 8-26 LOAD CONTROL RELAY ......................... 8-27 SIGNAL SYSTEM ........................................... 8-28 CIRCUIT DIAGRAM.................................. 8-28 TROUBLESHOOTING .............................. 8-30 BRAKE LIGHT SWITCH ........................... 8-36 GEAR POSITION SWITCH (RS90R/RSG90/RST90/RST90TF)........... 8-36 DC BACK BUZZER (RS90R/RSG90/RST90/RST90TF)........... 8-36 COOLANT TEMPERATURE SENSOR .... 8-37 OIL LEVEL SWITCH ................................. 8-38 FUEL SENDER ......................................... 8-38 SPEED SENSOR ...................................... 8-39

GRIP WARMER SYSTEM .............................. 8-40 CIRCUIT DIAGRAM.................................. 8-40 TROUBLESHOOTING .............................. 8-42 GRIP AND THUMB WARMER COIL ........ 8-44 THUMB WARMER ADJUSTMENT SWITCH .................................................... 8-44 GRIP WARMER ADJUSTMENT SWITCH .................................................... 8-45 PASSENGER GRIP WARMER (RST90/RST90TF) .................................... 8-45 PASSENGER GRIP WARMER SWITCH (RST90/RST90TF) .................................... 8-46 PASSENGER GRIP WARMER RELAY (RST90/RST90TF) .................................... 8-46 CARBURETOR HEATER SYSTEM ............... 8-48 CIRCUIT DIAGRAM.................................. 8-48 TROUBLESHOOTING .............................. 8-50 CARBURETOR HEATER RELAY ............ 8-51 CARBURETOR HEATER ......................... 8-51 SELF-DIAGNOSIS.......................................... 8-52 SELF-DIAGNOSIS CODE ........................ 8-53 CHAPTER 9. SPECIFICATIONS GENERAL SPECIFICATIONS ......................... 9-1 MAINTENANCE SPECIFICATIONS ................ 9-4 ENGINE ...................................................... 9-4 POWER TRAIN........................................... 9-9 CHASSIS .................................................. 9-15 ELECTRICAL ............................................ 9-17 HIGH ALTITUDE SETTINGS.................... 9-19 TIGHTENING TORQUE.................................. 9-20 ENGINE .................................................... 9-20 POWER TRAIN......................................... 9-22 CHASSIS .................................................. 9-25 GENERAL TORQUE SPECIFICATIONS ....... 9-26 DEFINITION OF UNITS .................................. 9-26 CABLE ROUTING .......................................... 9-28

1-1 GEN INFO GENERAL INFORMATION MACHINE IDENTIFICATION FRAME SERIAL NUMBER The frame serial number 1 is located on the right-hand side of the frame (just below the front of the seat). 1 ENGINE SERIAL NUMBER The engine serial number 1 is located on the right-hand side of the crankcase. NOTE: Designs and specifications are subject to change without notice. 1 MACHINE IDENTIFICATION

1-2 GEN INFO IMPORTANT INFORMATION IMPORTANT INFORMATION PREPARATION FOR REMOVAL AND DISASSEMBLY 1.Remove all dirt, mud, dust, and foreign material before removal and disassembly. While cleaning, take care to protect the electrical parts, such as relays, switches, motor, resistors, controllers, etc., from high pressure water splashes. 2. Use proper tools and cleaning equipment. Refer to “SPECIAL TOOLS”. 3.When disassembling the machine, keep mated parts together. This includes gears, cylinders, pistons, and other parts that have been “mated” through normal wear. Mated parts must be reused or replaced as an assembly. 4. During disassembly of the machine, clean all parts and place them in trays in the order of disassembly. This will speed up assembly time and help ensure that all parts are reinstalled correctly. 5.Keep all parts away from any source of fire. 6.Be sure to keep to the tightening torque specifications. When tightening bolts, nuts, and screws, start with those that have larger diameters, and proceed from the inside to the outside in a crisscross pattern. ALL REPLACEMENT PARTS We recommend using genuine Yamaha parts for all replacements. Use oil and grease recommended by Yamaha for assembly and adjustments. 1

1-3 GEN INFO IMPORTANT INFORMATION GASKETS, OIL SEALS, AND O-RINGS 1.All gaskets, seals, and O-rings should be replaced when an engine is overhauled. 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. LOCK WASHERS/PLATES AND COTTER PINS All lock washers/plates 1 and cotter pins must be replaced if they are removed. Lock tab(s) should be bent along the bolt or nut flat(s) after the bolt or nut has been properly tightened. BEARINGS AND OIL SEALS Install the bearings 1 and oil seals 2 with their manufacturer’s marks or numbers facing outwards. (In other words, the stamped letters must be on the side exposed to view.) When installing oil seals, apply a light coating of lightweight lithium base grease to the seal lips. Oil the bearings liberally when installing. CAUTION: Do not use compressed air to spin the bearings dry. This causes damage to the surface of the bearings. CIRCLIPS All circlips should be inspected carefully before reassembly. Always replace piston pin clips after one use. Replace misshapen circlips. When installing a circlip 1, make sure that the sharp edged corner 2 is posi- tioned opposite to the thrust 3 it receives. See the sectional view. 4 Shaft LOCTITE ® After installing fasteners that have LOCTITE ® applied, wait 24 hours before using the machine. This will give the LOCTITE ® time to dry properly.

1-4 GEN INFO SPECIAL TOOLS SPECIAL TOOLS Some special tools are necessary for a completely accurate tune-up and assembly. Using the correct special tool will help prevent damage that can be caused by the use of improper tools or improvised techniques. NOTE: • Be sure to use the correct part number when ordering the tool, since the part number may differ according to country. • For USA and Canada, use part number starting with “YB-”, “YM-”, “YU-”, “YS-” or “ACC-”. • For others, use part number starting with “90890-”. FOR TUNE UP • Dial gauge P/N: YU-03097 90890-03097 This gauge is used for run out measurement. • Fuel level gauge P/N: YM-01312-A 90890-01312 This gauge is used to measure the fuel level in the float chamber. • Angle gauge Use goods on the market. This tool is used to tightening the torque. • Steering linkage alignment plate P/N: YS-01487 90890-01487 Locks steering relay arms in place while adjusting the steering linkage for front-end alignment. FOR ENGINE SERVICE • Piston pin puller P/N: YU-01304 90890-01304 This tool is used to remove the piston pin.

1-5 GEN INFO SPECIAL TOOLS • Rotor holding puller P/N: YU-33270-B 90890-01362 • Flywheel puller attachment P/N: YM-33282 90890-04089 These tools are used to remove the magneto rotor. • Cooling system tester P/N: YU-24460-01 90890-01325 • Adapter P/N: YU-33984 90890-01352 This tester and its adapter are used for checking the cooling system. • Oil filter wrench P/N: YM-01469 90890-01469 This tool is needed to loosen or tighten the oil filter cartridge. • Vacuum gauge P/N: YU-44456 90890-03094 This guide is used to synchronize the carburetors. • Compression gauge set P/N: YU-33223 (compression gage) 90890-03081 P/N: YU-33223-4 (adapter) 90890-04136 These tools are used to measure engine compression. • Valve spring compressor set P/N: YM-04019 (valve spring compressor) 90890-04019 P/N: YM-04108 (attachment) 90890-04108 These tools are used to remove or install the valve assemblies.

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2004 2005 2006 Yamaha RS Vector Nytro Rage Factory Manuals

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