20 Most Recent Yamaha 2008 Big Bear 400 IRS 5-Speed 4X4 Questions & Answers

Question edited for clarity. Question moved to model category. It is a Speed Sensor issue. https://www.google.com/search?q=yamaha+big+bear+flashing+red+brake+light+on+dashboard ..

If by last gear you mean the high gear, then you are likely hitting the rev limiter or speed limiter.

Hey Anon, this is NOT something to "try and learn" how to do..find a professional that is will to tutor you when you do this for the first time! It COULD save you A LOT of $$$$!!!!!

If you have good spark then it's most likely a fuel issue, anything off of idle is dealing with the main jet and metering needle, clean jet and check needle for excessive wear.

Check the fuel flow through the tank valve. There are screens inside the tank that may be blocked and restricting flow.

.004 intake .005 ext

must hold brake, use the foot brake!

Question edited for clarity, correct order and add maker. Question moved from Cars and Trucks to model category. Service manual https://www.manualslib.com/products/Suzuki-Kingquad-5901790.html ..

https://www.motosport.com/atv/oem-parts/suzuki/2004/eiger-400-4x4-auto/wiring-harness

It seems that the clutch is not disengaging may need a adjustment unless it is hydro drive then I am stumped.