Massimo MSU 400 User manual

MASSIMO MSU 400
Owner’s Manual

INTRODUCTION
Congratulations on your purchase of the Massimo MSU 400 UTV. With the pur-
chase of this vehicle, you can now appreciate the high degree of craftsmanship.
This manual will provide you with a good basic understanding of the features
and operation of this vehicle. This manual includes important safety information.
It provides information about special techniques and skills necessary to ride your
vehicle. It also includes basic maintenance and inspection procedures. If you
have any questions regarding the operation or maintenance of your vehicle,
please consult you dealer.
AN IMPORTANT SAFETY MESSAGE:
● READ THIS MANUAL FOR THE VEHICLE RIDER CAREFULLY AND COMPLETELY
BEFORE OPERATING YOUR VEHICLE. MAKE SURE YOU UNDERSTAND ALL
INSTRUCTIONS.
● PAY CLOSE ATTENTION TO THE WARNING AND CAUTION LABELS ON THE
VEHICLE.
● NEVER OPERATE A VEHICLE WITHOUT PROPER TRAINING OR INSTRUCTION.
FREE TRAINING IS AVAILABLE TO ANYONE WHO BUYS A NEW VEHICLE.
● THIS VEHICLE, AND ANY OTHER VEHICLE OVER 90cc, SHOULD NOT BE RIDDEN
BY ANYONE UNDER 16 YEARS OF AGE.

Owner Manual
IMPORTANT MANUAL INFORMATION
FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS INJURY
OR DEATH. Particularly important information is distinguished in this manual by the following
notations:
The Safety Alert Symbol means ATTENTION!
YOUR SAFETY IS INVOLVED!
Failure to follow WARNING instructions could result in severe injury or death to
the machine operator, bystander or a person inspecting or repairing the
machine.
A CAUTION indicates special precautions that must be taken to avoid damage
to the machine.
A NOTE provides key information to make procedures easier or clearer.
NOTE:

Owner Manual
IMPORTANT NOTICE
This UTV is designed and manufactured for OFF - ROAD use only. It is illegal and unsafe to operate this
UTV on any public street, road or highway.
This UTV complies with all applicable OFF - ROAD noise level and spark arrester laws and regulations in
effect at the time of manufacture.
Please check your local riding laws and regulations before operating this UTV.
When the temperature is below -4°F (-20°C), park the UTV in a place where the temperature is higher
than -4°F (-20°C). Start the UTV after the UTV has warmed up. Please see page 6-3 on the warming up
process.
Follow the proper parking procedures when the temperature is higher than 100°F (38°C): turn off the
engine; make sure the radiator fan is on for 3 minutes before turning off the power switch.
Starting the UTV for the first time will take longer because the fuel will need reach the fuel injectors. To
start the UTV the first time, hold the ignition key on at 5-second intervals. Allow the starter to rest 15
seconds between each start attempt.

Owner Manual
Location of the Warning and
Safety Labels 1-1
Safety Information 2-1
Description and Vehicle
Identification 3-1
Identification Number Records 3-3
Vehicle Identification Number 3-3
Control Functions 4-1
Ignition Switch 4-1
Indicator and Warning Lights 4-2
Use of EPS system 4-4
Speedometer Unit 4-5
Odometer and Trip Meter Modes 4-6
Fault code indicator 4-8
Switches 4-10
On-Command Four-Wheel-Drive and
Differential Gear Lock Switches
4-11
Throttle Pedal 4-15
Brake Pedal 4-16
Parking brake pedal 4-16
Drive Select Lever 4-17
Fuel Tank Cap 4-18
Starter 4-18
Seats 4-19
Seat Belts 4-20
Glove Compartment 4-23
Cargo Bed 4-24
Opening and Closing the Tailgate 4-24
Lifting and Lowering the Cargo
Bed 4-25
Front and Rear Shock Adjustment 4-27
Trailer Hitch Bracket 4-29
Auxiliary DC Jack 4-29
Pre-Operation Checks 5-1
Brakes 5-2
Front and Rear Brakes Brake Pedal
5-2
2
3
1
4
5

Owner Manual
Brake Fluid Level 5-3
Brake Operation 5-3
Fuel 5-4
Engine Oil 5-6
Coolant 5-6
Final Gear Oil 5-7
Differential Gear Oil 5-7
Throttle Pedal 5-8
Throttle Freeplay 5-9
Throttle Freeplay Inspection 5-9
Throttle Freeplay Adjustment 5-9
Steering Wheel Inspection 5-10
Seat Belts 5-10
Fittings and Fasteners 5-10
Lights 5-10
Switches 5-10
Tires 5-11
Measuring Tire Pressure 5-13
Tire Wear Limit 5-14
Operation 6-1
Starting a Cold Engine 6-1
Starting a Warm Engine 6-3
Jump Starting 6-3
Warming Up 6-5
Drive Select Lever Operation and
Reverse 6-5
Parking 6-9
Parking on a Slope 6-10
Accessories and Loading 6-11
Your Vehicle 7-1
Getting To Know Your Vehicle 7-1
Learning To Operate Your Vehicle 7-5
Turning Your Vehicle 7-6
Operating Improperly in Reverse 7-7
Braking 7-8
Going Uphill 7-8
Going Downhill 7-11
6
7

Owner Manual
Crossing Through Shallow Water 7-12
Vehicle Immersion 7-14
Rear Axle Differential Lock 7-15
Riding Over Rough Terrain 7-16
Riding in Brush or Wooded Areas 7-17
Encountering Obstacles on the
Trail 7-18
Periodic Maintenance and
Adjustment 8-1
Periodic Maintenance Chart for
the Emission Control System 8-3
General Maintenance and
Lubrication Chart 8-4
Hood 8-6
To Open 8-6
To Cl o se 8-7
EFI System 8-8
EFI System inspection 8-11
Engine Oil and Oil Filter Cartridge 8-11
To Check Engine Oil Level 8-11
To Change the Engine Oil (With or
Without Oil Fliter Cartridge
Replacement 8-12
Checking the Final Gear Oil Level 8-15
Changing the Final Gear Oil 8-16
Differential Gear Oil 8-18
Checking the Differential Gear Oil 8-18
Changing the Differential Gear Oil 8-19
Oil cooler 8-20
Coolant 8-21
Checking the Coolant Level 8-21
Changing the Coolant 8-22
Axle Boots 8-23
Spark Plug Inspection 8-24
Removal 8-24
Inspection 8-25
Installation 8-25
Cleaning the Air Filter Elements 8-26
8

Owner Manual
Cleaning the Spark Arrester 8-30
Valve Clearance 8-32
Front Brake Pad Check 8-32
Rear Brake Pad Check 8-33
Checking the Brake Fluid Level 8-33
Brake Fluid Replacement 8-35
Checking the Brake Pedal 8-35
Brake Light Switch Adjustment 8-36
Cable Inspection and Lubrication 8-37
Brake Pedal and Accelerator
Pedal Lubrication 8-38
Rear Knuckle Upper and Lower
Pivot Lubrication 8-39
Steering Shaft Lubrication 8-39
Wheel Installation 8-41
Battery 8-42
Battery Maintenance 8-44
Fuse Replacement 8-44
Replacing Headlight Bulb 8-47
Tail / Brake Light Bulb
Replacement 8-49
Troubleshooting 8-50
Common Problems in Vehicle 8-53
Cleaning and Storage 9-1
Cleaning 9-1
Storage 9-3
Specifications 10-1
Faultcode of Electronic
Injection System
11-1
USA EPA Emissions Limited
Warranty
12-1
9
10
11
12

Location of the Warning and Safety Labels 1-1