20 Most Recent Arctic Cat 2009 550 H1 EFI 4x4 - Page 2 Questions & Answers

use a 12 volt test light connected to ground and touch the contacts on top of each side of the fuse . It should light up. if not replace the fuse. Here are the service manuals for all Arctic Cat ATVs Parts House Lawn Mower Parts and Chain Saw Trimmer Parts

remove both battery cables from battery and touch them together for 1 min. should do it. if efi is out and comes right back on after starting you got efi problems

spark @ plug ? gas to eng ? compression in eng? will run if you have all these. adjusted properly !!! what do you have or dont have ?

vaccum leak ? hoses cracked at connector. intake manifold leaking ,cracked ?

throttle position sensor bad ? map sensor equipped ? not sure on that model but be my starting point. not sure if adjustable idle ? efi . does all that i think. read owners manual and see if they use injector cleaner of any kind. pressure regulator can cause this too. wish i could help you more. i need go back to school on that one. sorry please let me know what you find thanks

right before you stored when you added the fuel stabilizer did you have fresh gas and did you run the engine with the fuel stabilizer in for 5 to 10 minutes

weak fuel pump, choke not working ? Here are the service manuals for all Arctic cat ATVs

Bad timing ? water in the fuel. here are the service manuals for all Arctic cat ATVs Parts House Lawn Mower Parts and Chain Saw Trimmer Parts

Adjustment between the shift lever and gearbox here are the service manuals for all Arctic Cat ATVs Parts House Lawn Mower Parts and Chain Saw Trimmer Parts

Common problem is there is water and dirt that gets inside the actuator and it strips the plastic gears inside. Here are the service manuals for all Arctic Cat ATVs Parts House Lawn Mower Parts and Chain Saw Trimmer Parts

Sounds like the thermostat is not opening Here are the service manuals for all Arctic cat ATVs Parts House Lawn Mower Parts and Chain Saw Trimmer Parts

Here are the service manuals for all Arctic cat ATVs Parts House Lawn Mower Parts and Chain Saw Trimmer Parts

take off the horn unit power it direct if it works its ok, if not replace, next step wire a small bulb into the horn wires and press the button if it lights the switch is ok, if you have a circuit tester put one end on the battery ground and check for power in the horn wires if their is power there put the lead on battery positive and press the horn button if there is no power their the switch or wiring is faulty

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.