Massimo MSU 400 User Manual (English)

Questions and Answers:

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Kimberly CarpenterAug 20, 2025
What to do if my Massimo Utility Vehicle engine cannot start?
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  Sally EstesAug 20, 2025
  If your Massimo Utility Vehicle engine won't start, begin by checking the battery, as low electricity can cause motor failure. Inspect the starting motor for damage. Ensure the carburetor is functioning correctly. Verify the ignition loop is in good condition and that the spark plug isn't fouled or burned. Confirm the ignition signal is strong, the air cleaner isn't blocked, the oil circuit is clear, and the exhaust system isn't obstructed.
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Michelle RamosAug 22, 2025
Why is the brake performance diminished on my Massimo Utility Vehicle?
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  John WoodAug 22, 2025
  If the brake performance of your Massimo Utility Vehicle is diminished, inspect the brake discs for excessive wear. Also, check the brake blocks in the calipers for wear or contamination that could reduce friction. Examine the brake system's oil lines and connections for any leaks. Make sure the post rod in the brake master cylinder isn't deformed. See if air has entered the oil lines, and if so, drain the air using specialized equipment. Finally, verify that the oil level in the front and rear brake master cylinders is above the minimum.
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Susan WalkerAug 25, 2025
Why does my Massimo Utility Vehicle make an odd turn when braked at high speed?
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  Sharon YoungAug 25, 2025
  If your Massimo Utility Vehicle makes an odd turn when braking at high speed, check that the left and right brake force deviation of the front brake is within the specified limit. Also, see if the front brake force is reduced, causing the rear wheels to lock up before the front wheels during braking. Verify the spring force deviation of the shock absorbers in the front left and right suspension is within the specified limit. Lastly, inspect the damper rubber sleeves connecting the front suspension rock and frame for damage.
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Linda CoxAug 26, 2025
How to fix lights that do not work on Massimo Utility Vehicle?
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  Daniel RuizAug 26, 2025
  If the lights on your Massimo Utility Vehicle do not work, check the headlight switch to ensure it functions correctly. Inspect the wires for any breaks. Also, check the lamps or bulbs to see if they are broken.
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Victor WattsAug 28, 2025
What to do if the brake system is locked up on my Massimo Utility Vehicle?
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  Cindy BraunAug 28, 2025
  If the brake system is locked up on your Massimo Utility Vehicle, check if the handle of the parking brake returns to its position. Inspect the brake discs for deformation. Also, check if the calipers' hydraulic cylinders are stuck or if the fixing parts of the calipers are deformed.
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Jose ClarkAug 30, 2025
Why my Massimo Utility Vehicle cannot go into 4 wheel drive mode?
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  Ashlee Holmes PhDAug 30, 2025
  If your Massimo Utility Vehicle cannot go into 4-wheel drive mode, check if the control switch on the meter board works correctly. Inspect the differential lock control magneto plug in the rear bridge reduction gear box for damage. Also, check the wire for any breaks.
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Wesley HendersonAug 31, 2025
Why does the front or rear brake system make noise on my Massimo Utility Vehicle?
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  murphystevenSep 1, 2025
  If your Massimo Utility Vehicle's front or rear brake system makes an affricate noise, or the brake discs go, check to see if the brake discs are deformed. Also, check if the calipers' hydraulic cylinders are stuck or the fixing parts of calipers are deformed.
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Amy BrooksSep 2, 2025
Why is the idle speed not stable on my Massimo Utility Vehicle?
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  Mary GarciaSep 3, 2025
  If the idle speed of your Massimo Utility Vehicle is not stable, check if the high-voltage wire is in poor contact. Also, check if the CDI is faulty.
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Lee PierceSep 4, 2025
Why is the power performance falling on my Massimo Utility Vehicle?
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  George LoveSep 4, 2025
  If the power performance of your Massimo Utility Vehicle is falling, check if the carburetor is blocked. Inspect and clean the core of the air cleaner. Also, check the muffler for partial blockage and clean the spark arrestor.
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Michael MckaySep 6, 2025
Why is my Massimo Utility Vehicle engine making a popping noise?
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  Vickie SalazarSep 6, 2025
  If your Massimo Utility Vehicle is making a popping noise in the engine, check the air cleaner and admission line for leaks. Inspect the connection joint of the exhaust pipe with the engine or muffler for leaks. Also, check the grade of gasoline to ensure it’s not too low.