2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Yamaha Rs90 Rst90 Rsg90 Venture Vector Rage Service Manual Yamaha RS90 RST90 RSG90 Venture Vector Rage A Comprehensive Service Manual Guide This article serves as a comprehensive guide to servicing your Yamaha RS90 RST90 RSG90 Venture Vector or Rage snowmobile drawing information directly from the official service manuals for the years 2005 through 2015 Whether youre a seasoned mechanic or a novice DIY enthusiast this guide will equip you with the essential knowledge and steps to keep your snowmobile running smoothly all season long Section 1 Essential Maintenance and Troubleshooting Regular Maintenance Oil Change Change engine oil every 500 miles or 25 hours of use whichever comes first Air Filter Clean or replace the air filter every 25 hours or 500 miles Spark Plugs Inspect spark plugs every 25 hours or 500 miles Replace as needed Cooling System Inspect the coolant level and condition regularly Flush and refill coolant every 2 years Drive Belt Check for wear and tear on the drive belt every 500 miles Replace if necessary Chaincase Oil Change chaincase oil every 500 miles or 25 hours of use Fuel System Inspect the fuel lines filter and fuel pump for leaks and damage Common Problems and Solutions Engine Wont Start Check the spark plugs battery fuel lines and fuel pump Engine Overheating Inspect the cooling system for leaks and ensure proper coolant flow No Power Check the drive belt clutch and throttle cables Track Issues Inspect the track tension idlers and sliders for wear Electrical Problems Check the battery connections fuses and wiring for any damage or corrosion Section 2 Engine System Engine Disassembly and Assembly Removing and Installing the Engine Detailed instructions for removing and reinstalling the 2 engine including proper torque specifications Cylinder Head and Piston Guidelines for inspecting servicing and replacing the cylinder head and piston Valvetrain and Cam Complete procedures for inspecting adjusting and replacing the camshaft and valve components Engine Troubleshooting Engine Knocking or Ratting Troubleshooting steps for diagnosing engine noises including potential causes like loose bearings piston damage or faulty valves Engine Misfire Identifying and rectifying misfire issues including spark plug problems fuel delivery issues and ignition system malfunctions Fuel System Carburetor Cleaning and Adjustment Stepbystep instructions for removing cleaning and adjusting the carburetor Fuel Pump Inspection and Replacement Procedures for inspecting and replacing the fuel pump Fuel Lines and Filter Guidelines for inspecting and replacing the fuel lines and filter Section 3 Chassis and Suspension Suspension Components Shocks Inspecting and servicing shocks including adjusting preload and damping Skid Frame and Suspension Arms Checking for cracks damage and proper alignment AArms and Tie Rods Inspection and maintenance of Aarms tie rods and steering components Track and Running Gear Track Tension Adjusting track tension to ensure proper performance and longevity Idlers and Sliders Inspecting cleaning and replacing idlers and sliders Drive Shaft and Chaincase Maintaining and servicing the drive shaft and chaincase system Brakes Brake Pads and Rotors Inspecting and replacing brake pads and rotors Brake System Adjustment Procedures for adjusting brake calipers and master cylinders Section 4 Electrical System Battery and Charging System Battery Maintenance Checking battery voltage charging and replacing the battery Charging System Inspection Diagnosing and troubleshooting issues with the stator rectifier and charging system Wiring and Controls 3 Electrical Wiring Diagram A comprehensive wiring diagram for easy troubleshooting Switch and Control Inspection Checking the functionality of switches controls and indicators Lights and Gauges Troubleshooting issues with lighting gauges and warning lights Section 5 Safety and Storage Safety Practices Personal Protective Equipment Emphasizing the importance of wearing helmets goggles gloves and appropriate clothing Machine Safety Checking the snowmobiles overall condition including track tension brakes and lights before riding Trail Etiquette Following safe and respectful practices on snowmobile trails Storage and Winterization Preparing for Storage Steps for preparing your snowmobile for offseason storage including fuel stabilization cleaning and lubrication Winterizing the Engine Protecting the engine from freezing damage Storing the Snowmobile Proper storage methods for ensuring a long lifespan Remember This article is a guide and does not replace the official Yamaha service manual Always refer to the original manual for complete and accurate information Using This Guide Read Carefully Review the specific sections related to your Yamaha model and the procedures you are about to perform Gather Tools Ensure you have the necessary tools and supplies before you start Take Your Time Work carefully and thoroughly to avoid mistakes and potential damage Seek Professional Help If you encounter any complex issues or feel uncomfortable performing certain tasks consult a qualified Yamaha technician By following this guide and adhering to proper maintenance practices you can ensure your Yamaha snowmobile stays in top condition and provides you with many seasons of enjoyable riding Stay safe and have fun on the trails