Yamaha RS90PF, RS90PLTF, RST90F 2015 RS Vector Venture Owner's Manual
![Yamaha RS90PF, RS90PLTF, RST90F 2015 RS Vector Venture manual cover](/images/70ccf382c7d8e01ebe013918/thumbs/thumb175x175.webp)
The recommended maintenance schedule includes regular oil changes every 1,000 miles or every season, checking and replacing the spark plugs every 3,000 miles, inspecting the drive belt for wear, and lubricating the suspension components. Refer to the owner's manual for a detailed schedule.
If your snowmobile is having starting issues, check the battery connections and ensure they are clean and tight. Verify that the fuel is fresh and the fuel lines are not clogged. Check the spark plugs for fouling or wear and replace if necessary.
It is recommended to use Yamalube 4-stroke Snowmobile Oil 0W-40 for optimal performance in cold weather conditions. Ensure the oil meets the specifications outlined in the owner's manual.
To improve fuel efficiency, ensure regular maintenance is performed, such as keeping the engine tuned, checking tire pressure, and ensuring the drive belt is properly tensioned. Reducing excess weight and avoiding aggressive acceleration can also help.
Common suspension issues include worn shocks, which can lead to a rough ride, and loose or damaged suspension components. Regularly inspect the suspension for wear and ensure all components are properly lubricated and tightened.
To adjust the track tension, first elevate the rear of the snowmobile. Loosen the lock nuts on the track adjusters and turn the adjuster bolts to achieve the recommended tension. Spin the track to ensure even tension and retighten the lock nuts. Refer to the owner's manual for specific tension specifications.
If the snowmobile overheats, stop the engine immediately and allow it to cool. Check the coolant level and replenish if necessary. Inspect the cooling system for leaks or blockages and ensure the radiator fins are clean. Avoid running the engine at high RPMs for extended periods.
To replace the spark plugs, first remove the ignition coil by disconnecting the plug wire. Use a spark plug socket to remove the old plug and install the new one by hand to avoid cross-threading. Tighten with a torque wrench to the specification in the owner's manual and reconnect the ignition coil.
For off-season storage, clean the snowmobile thoroughly and add a fuel stabilizer to the gas tank. Lubricate all moving parts and change the oil and filter. Remove the battery and store it in a cool, dry place. Cover the snowmobile to protect it from dust and moisture.
To reduce handlebar vibration, check for loose engine mounts and tighten if necessary. Inspect the skis and suspension for wear or damage. Balancing the skis and ensuring they are properly aligned can also help minimize vibration.