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Arctic Cat ZR 120 - User Manual

Arctic Cat ZR 120
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[SNOWMOBILE]
SERVICE MANUAL
2014
ZR 120

Table of Contents

Questions and Answers

  • E
    Emily StevensAug 18, 2025
    Why Arctic Cat ZR 120 engine does not start (no spark at spark plug)?
    • K
      Kristine JohnsonAug 18, 2025
      If your Arctic Cat Offroad Vehicle engine isn't starting and there's no spark at the spark plug, several factors could be at play. It could be due to dirty or loose ground connections, so check and ensure they are clean and tight. A shorting or disconnected wiring harness can also cause this issue; in that case, repair, replace, or connect the wiring harness. Make sure the emergency stop switch is in the UP position and is functioning correctly; test or replace the key switch or emergency stop switch if needed. Check that the tether cord is properly secured to the tether switch and test or replace the switch if it's malfunctioning. Lastly, a fouled or damaged spark plug can prevent the engine from starting, so clean or replace the spark plug.
  • M
    Marcia SmithAug 21, 2025
    Why Arctic Cat ZR 120 Offroad Vehicle engine loses power?
    • C
      craigdanielAug 21, 2025
      Your Arctic Cat Offroad Vehicle engine might be losing power due to several reasons. A fouled spark plug can cause this, so try replacing it. A faulty external coil could also be the culprit; service or replace the coil. Check the gas tank vent hose for obstructions; service or replace the vent hose if needed. Low compression can also lead to power loss, so service the engine. Finally, inspect the muffler for any restrictions.
  • K
    Kathy HoltAug 23, 2025
    What to do if Arctic Cat Offroad Vehicle engine does not start (no fuel at cylinders)?
    • L
      Lisa MatthewsAug 23, 2025
      If your Arctic Cat Offroad Vehicle engine isn't starting due to a lack of fuel at the cylinders, start by checking if the gas tank is empty and fill it if necessary. The gasoline might be contaminated, requiring you to replace it. Inspect the fuel hose for any breaks or pinches, and replace or service it as needed. Ensure the gas tank vent hose isn't obstructed; remove any obstructions or replace the vent hose. Also, check the shut-off valve for obstructions or damage, and clear any blockages or replace the valve. Finally, absence of compression can prevent the engine from starting, so repair or replace any damaged or worn engine components.
  • M
    michaelwheelerAug 26, 2025
    What causes Arctic Cat ZR 120 engine to overheat?
    • N
      nathanrobinsonAug 26, 2025
      Several factors can cause your Arctic Cat Offroad Vehicle engine to overheat. An incorrectly adjusted, worn, or damaged drive system can be a cause, so troubleshoot and adjust the drive system. Carboned rings or grooves can also lead to overheating; clean or replace the rings and pistons. Check for any obstructions in the exhaust and remove them. Low or absent compression can cause overheating, so repair or replace any damaged or worn engine components. Lastly, make sure the engine shroud is clean and free from obstructions.
  • L
    Lisa CollinsAug 28, 2025
    What to do if Arctic Cat Offroad Vehicle engine stops suddenly?
    • C
      carrie67Aug 28, 2025
      If your Arctic Cat Offroad Vehicle engine suddenly stops, there are several potential causes to investigate. First, check if the gas tank is empty and fill it if needed. Also, check for spark, see No Spark at Spark Plug sub-section. A fuel filter obstruction can also cause the engine to stop; replace the filter. Ensure the gas tank shut-off valve is in the ON position. Inspect the fuel hose for obstructions, breaks, or pinches; remove any obstructions, and repair or replace the fuel hose. Finally, a faulty ignition coil can cause the engine to stop; replace the ignition coil.
  • R
    robertmartinAug 30, 2025
    How to fix Arctic Cat ZR 120 Offroad Vehicle engine that does not idle?
    • J
      Jennifer MccallAug 30, 2025
      If your Arctic Cat Offroad Vehicle engine isn't idling properly, several adjustments and checks can be made. If the throttle stop screw is turned out too far, adjust it accordingly. Similarly, if the idle fuel adjuster screw is out of adjustment, adjust it. Check the air silencer for any obstructions and clean it if necessary. Lastly, a dirty drive clutch can affect idling, so clean the drive clutch.
  • P
    Paula BradshawSep 1, 2025
    What to do if Arctic Cat Offroad Vehicle engine does not start (fuel does not ignite)?
    • M
      Mario WeissSep 1, 2025
      If your Arctic Cat Offroad Vehicle engine isn't starting because the fuel isn't igniting, several things could be wrong. Poor valve clearance could be the issue, so inspect the valves. Check for spark, see No Spark at Spark Plug sub-section. Low compression can also prevent ignition, so service the engine. If the engine is flooded, clear it by elevating the rear of the snowmobile (using a shielded safety stand) and holding the throttle full-open. Finally, contaminated gasoline can cause ignition problems, so clean the tank and the entire fuel system.
  • C
    Chelsea PerkinsSep 3, 2025
    Why Arctic Cat ZR 120 engine backfires?
    • T
      trevor67Sep 3, 2025
      If your Arctic Cat Offroad Vehicle engine is backfiring, it could be due to a fouled or damaged spark plug. Try cleaning or replacing the spark plug to resolve this issue.
  • K
    Kenneth ClarkSep 5, 2025
    Why Arctic Cat Offroad Vehicle engine stops suddenly?
    • Q
      qwaltersSep 6, 2025
      Your Arctic Cat Offroad Vehicle engine might stop suddenly due to several reasons. The gas tank could be empty, there might be no spark, or the fuel filter could be obstructed. Also, make sure the gas tank shut-off valve is in the ON position and that the fuel hose isn't obstructed, broken, or pinched. Other potential causes include a faulty ignition coil, a seized engine, or a low oil level. Add recommended oil and replace the ignition coil, if needed.
  • J
    jesse07Sep 8, 2025
    What to do if Arctic Cat Offroad Vehicle engine loses power?
    • J
      Joseph GarciaSep 8, 2025
      If your Arctic Cat Offroad Vehicle engine is losing power, consider these potential causes: a fouled spark plug (replace it), a faulty external coil (service or replace it), an obstructed gas tank vent hose (service or replace it), low compression (service the engine), or a restricted muffler (inspect it).

Arctic Cat ZR 120 Specifications

General IconGeneral
BrandArctic Cat
ModelZR 120
CategoryOffroad Vehicle
LanguageEnglish

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