SNOWMOBILE OWNER'S MANUAL RS90NW RS90RW/RS90NRW RS90MW/RS90MSW RS90GTW RSG90W/RSG90GTW LIT-12628-02-55 8GG-28199-12 E_8gg.book Page 1 Thursday, March 16, 2006 4:23 PM A ESU00286 1- MACHINE IDENTIFICATION Identification number records A. FRAME NUMBER: CZ-01E B B. ENGINE NUMBER (PRIMARY ID): CZ-01E C. KEY NUMBER: C CZ-01E Record the frame number, engine number (Primary ID), and key number in the spaces provided for assistance when ordering spare parts from a Yamaha dealer. 1 The frame number is the seventeen-digit number stamped on the frame of the snowmobile. (See fig. È.) 2 The engine number is stamped in the location as shown. (See fig. É.) 3 Key number (See fig. Ê.) Also, record and keep the ID numbers in a separate place in case the snowmobile is stolen. E_8gg.book Page 1 Thursday, March 16, 2006 4:23 PM ESU00011 2- INTRODUCTION Congratulations on your purchase of a Yamaha snowmobile. This model is the result of Yamaha's vast experience in the production of fine sporting and touring snowmobiles. It represents the high degree of craftsmanship and reliability that have made Yamaha a leader in these fields. This manual will give you an understanding of the operation, inspection, and basic maintenance of this snowmobile. If you have any questions concerning the operation or maintenance of your snowmobile, please consult a Yamaha dealer. To maintain the high quality and performance of this snowmobile, it is important that you and your Yamaha dealer pay close attention to the recommended maintenance schedules and operating instructions contained within this manual. RS90NW RS90RW/RS90NRW RS90MW/RS90MSW RS90GTW RSG90W/RSG90GTW OWNER'S MANUAL ©2006 by Yamaha Motor Corporation, U.S.A. 1st Edition, March 2006 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation, U.S.A. is expressly prohibited. Printed in Japan P/N LIT-12628-02-55 E_8gg.book Page 2 Thursday, March 16, 2006 4:23 PM WARNING @ PLEASE READ AND UNDERSTAND THIS MANUAL COMPLETELY BEFORE OPERATING THE SNOWMOBILE. @ NOTE: @ G G Yamaha continually seeks advancements in product design and quality. Therefore, while this manual contains the most current product information available at the time of printing, there may be minor discrepancies between your snowmobile and this manual. If there is any question concerning this manual, please consult a Yamaha dealer. This manual should be considered a permanent part of this snowmobile and should remain with the snowmobile when resold. @ Particularly important information is distinguished in this manual by the following notations. The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! WARNING @ Failure to follow WARNING instructions could result in severe injury or death to the snowmobile operator, a bystander, or a person inspecting or repairing the snowmobile. CAUTION: @ A CAUTION indicates special precautions that must be taken to avoid damage to the snowmobile. NOTE: @ A NOTE provides key information to make procedures easier or clearer. E_8gg.book Page 1 Thursday, March 16, 2006 4:23 PM ESU00003 CONTENTS YAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTY .......................................1-1 YAMAHA EXTENDED SERVICE (Y.E.S.) ...............................................1-4 LOCATION OF THE IMPORTANT LABELS .......................2-1 SAFETY INFORMATION ...................3-1 DESCRIPTION ...................................4-1 CONTROL FUNCTIONS ....................5-1 Main switch......................................5-1 Starter lever (choke) ........................5-2 Throttle lever....................................5-2 Engine overheating prevention system .............................................5-2 Throttle override system (T.O.R.S.) ........................................5-3 Speedometer unit ............................5-4 High beam indicator light .................5-4 Fuel meter and grip/thumb warmer level indicator......................5-5 Fuel level warning indicator .............5-6 Oil level warning indicator................5-6 Low coolant temperature indicator light ...................................5-6 Coolant temperature warning indicator ...........................................5-7 Self-diagnostic system.....................5-7 Engine stop switch...........................5-8 Brake lever ......................................5-8 Parking brake lever..........................5-9 Shift lever.........................................5-9 Headlight beam switch ..................5-10 Auxiliary DC jack ...........................5-10 Shroud latches...............................5-11 Drive guard ....................................5-11 V-belt holders ................................5-11 Carburetor coolant shut-off lever...............................................5-12 Rear suspension damping force remote adjustment dial ..................5-12 Storage compartment ....................5-12 Rear carrier ...................................5-13 PRE-OPERATION CHECKS..............6-1 Fuel .................................................6-1 Engine oil.........................................6-2 Engine oil level ................................6-3 Coolant ............................................6-4 Throttle lever ...................................6-5 Throttle override system (T.O.R.S.) ........................................6-5 Brake ...............................................6-6 Brake fluid leakage ..........................6-7 V-belt ...............................................6-7 Drive guard ......................................6-7 Drive track .......................................6-8 51-mm (2.0-in) high-profile pattern drive track............................6-8 Slide runners ...................................6-9 Skis and ski runners ........................6-9 Steering system.............................6-10 Lights .............................................6-10 Air filter ..........................................6-10 Fittings and fasteners ....................6-11 Tool kit and recommended equipment......................................6-11 OPERATION ......................................7-1 Starting the engine ..........................7-1 Break-in ...........................................7-2 Riding your snowmobile ..................7-3 Getting to know your snowmobile ...7-3 Learning to ride your snowmobile ...7-3 To start out and accelerate..............7-3 Braking ............................................7-3 Turning ............................................7-4 E_8gg.book Page 2 Thursday, March 16, 2006 4:23 PM Riding uphill .....................................7-4 Riding downhill ................................7-5 Traversing a slope ...........................7-5 Ice or icy surface .............................7-5 Hard-packed snow...........................7-6 Operation on surfaces other than snow or ice ......................................7-6 Maximizing drive track life ...............7-7 Strap ................................................7-8 Driving .............................................7-9 Stopping the engine.......................7-10 Transporting ..................................7-11 PERIODIC MAINTENANCE ...............8-1 Periodic maintenance chart for the emission control system ..................8-1 General maintenance and lubrication chart ...............................8-2 Tool kit .............................................8-5 Checking the spark plugs ................8-5 Adjusting the engine idling speed....8-7 Adjusting the throttle cable ..............8-7 Adjusting the carburetors.................8-7 Adjusting the high-altitude settings ............................................8-8 Adjusting the valve clearance..........8-8 Changing the engine oil...................8-9 Cooling system ..............................8-12 Replacing the V-belt ......................8-14 Checking the drive chain housing oil level and the drive chain tension .................................8-16 Checking the brake pads...............8-18 Checking the parking brake pads...............................................8-18 Checking the brake fluid level........8-19 Changing the brake fluid................8-19 Suspension....................................8-19 Adjusting the drive track ................8-31 Aligning the skis.............................8-33 Adjusting the handlebar.................8-33 Lubrication .....................................8-35 Replacing a headlight bulb ............8-36 Adjusting the headlight beam ........8-36 Battery ...........................................8-37 Replacing a fuse............................8-37 TROUBLESHOOTING .......................9-1 STORAGE ........................................10-1 SPECIFICATIONS............................11-1 Dimensions....................................11-1 Engine ...........................................11-1 Chassis..........................................11-2 Electric...........................................11-4 WIRING DIAGRAM ..........................12-1 E_8gg.book Page 1 Thursday, March 16, 2006 4:23 PM ESU05070 1- YAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTY 2. Give notice to an authorized Yamaha snowmobile dealer of any and all apparent defects within ten (10) days after discovery, and make the machine available at that time for inspection and repairs at such dealer's place of business. You may locate your nearest authorized Yamaha dealer through your local telephone directory. CW-07E Yamaha Motor Corporation, U.S.A. hereby warrants that new Yamaha snowmobiles purchased from an authorized Yamaha snowmobile dealer in the continental United States will be free from defects in material and workmanship for the period of time stated herein, subject to certain stated limitations. WARRANTY PERIOD: 1. All Yamaha snowmobiles shall be warranted for a term of one (1) year from the date of purchase, plus a special early-season extension (if applicable). 2. All Yamaha snowmobile clutch components are warranted against abnormal wear for one (1) year from the date of purchase, plus a special early-season extension (if applicable). DURING THE PERIOD OF WARRANTY any authorized Yamaha snowmobile dealer will, free of charge, repair or replace, at Yamaha's option, any part adjudged defective by Yamaha due to faulty workmanship or material from the factory. Parts used in warranty repairs will be warranted for the balance of the snowmobile's warranty period. All parts replaced under warranty become the property of Yamaha Motor Corporation, U.S.A. GENERAL EXCLUSIONS from this warranty shall include any failures to the machine caused by: 1. Competition, racing, or non-Yamaha authorized rental use. 2. Operation on surfaces other than snow or ice. 3. Installation of parts or accessories that are not qualitatively equivalent to genuine Yamaha parts. 4. Abnormal strain, neglect, or abuse. 5. Lack of proper maintenance. 6. Accident or collision damage. 7. Modification to original parts. SPECIFIC EXCLUSIONS from this warranty shall include parts replaced due to normal wear or routine maintenance including oil, spark plugs, clutch drive belts, slide runners, and track. THE CUSTOMER'S RESPONSIBILITY under this warranty shall be to: 1. Operate and maintain the snowmobile as specified in the appropriate Owner's Manual. WARRANTY TRANSFER: To transfer any remaining warranty from the original purchaser to any subsequent purchaser, it is imperative that the machine be inspected and registered for warranty by an authorized Yamaha snowmobile dealer. In order for this warranty to remain in effect, this inspection and registration must take place within ten (10) days after ownership transfer. An inspection and registration fee will be charged for this service. EMISSION CONTROL SYSTEM WARRANTY Yamaha Motor Corporation, USA also warrants to the ultimate purchaser and each subsequent purchaser of each 2006 and later model Yamaha snowmobile covered by this warranty that the vehicle is designed, built, and equipped so as to conform at the time of sale with all U.S. emissions standards applicable at the time of manufacture and that it is free from defects in materials and workmanship which would cause it not to meet these standards within the period listed immediately below. Failures other than those resulting from defects in material or workmanship which arise solely as a result of owner abuse and/or lack of proper maintenance are not covered by this warranty. All Models Thirty (30) months from the original purchase date 1-1 E_8gg.book Page 2 Thursday, March 16, 2006 4:23 PM CW-08E YAMAHA MOTOR CORPORATION, U.S.A. MAKES NO OTHER WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE OBLIGATIONS AND TIME LIMITS STATED IN THIS ...