wsm RTV900 User Manual (English)

Questions and Answers:

C
Christopher Mcmillan PhDAug 18, 2025
How to troubleshoot a wsm Utility Vehicle when the engine does not start?
- K
  kathleenclarkAug 18, 2025
  If the wsm Utility Vehicle engine doesn't start, several factors could be at play. First, ensure you have sufficient fuel by replenishing it. If fuel is present, there might be air in the system, requiring you to bleed it. Other potential issues include water in the fuel, a clogged fuel pipe or filter, using incorrect fuel or engine oil, a fuel leak, incorrect injection timing, worn components, a clogged injection nozzle, a malfunctioning injection pump, seizure of engine parts, compression leak, improper valve timing, or worn piston rings and cylinder. Addressing these issues one by one should help diagnose the problem.
A
Alexandria LopezAug 20, 2025
Why is my wsm RTV900 engine overheating?
- T
  Tyler HawkinsAug 20, 2025
  If your wsm Utility Vehicle engine is overheating, several factors could be responsible. Check if the engine oil or coolant levels are insufficient and replenish if needed. Inspect the fan belt for damage or improper tension and replace or adjust accordingly. Clean any dust or corrosion from the radiator net, fin, or coolant flow route. Also, a defective radiator cap, damaged radiator hose, or broken electric parts of the cooling system can cause overheating, so replace them if necessary. Overload running, a defective head gasket, incorrect injection timing, or using unsuitable fuel can also lead to this issue. Reduce the load, adjust the timing, replace the head gasket or use specified fuel to resolve the problem.
W
Whitney CurryAug 23, 2025
What to do if my wsm RTV900 emits black or dark gray exhaust gas?
- S
  Shannon HarperAug 23, 2025
  If you notice black or dark gray exhaust gas from your wsm Utility Vehicle, it could be due to several reasons. You might be overloading the vehicle, so reduce the load. Using low-grade fuel can also cause this issue, so switch to the specified fuel. A clogged fuel filter or air cleaner can also be the culprit; replace or clean them, respectively. Lastly, deficient nozzle injection can lead to this problem, so repair or replace the nozzle.
J
John RileyAug 26, 2025
Why won't the starter run on my wsm RTV900?
- M
  Michelle MossAug 26, 2025
  If the starter of your wsm Utility Vehicle isn't running, it could be due to a discharged battery, so charge it. Alternatively, the starter itself or the main switch might be malfunctioning, requiring repair or replacement. Check the safety switches; they may need adjustment or replacement. Lastly, ensure all wiring is properly connected.
J
Jake SawyerAug 28, 2025
What causes deficient output in a wsm RTV900 Utility Vehicle?
- S
  Samantha ThompsonAug 28, 2025
  If your wsm Utility Vehicle has deficient output, it could stem from several causes. Incorrect injection timing is a possibility, so adjust it. The engine's moving parts might be seizing, necessitating repair or replacement. Uneven fuel injection could also be the issue, in which case you should replace the injection pump. Deficient nozzle injection is another potential cause, requiring repair or replacement of the nozzle. Finally, a compression leak could be to blame; replace the head gasket and tighten the cylinder head screw, glow plug, and nozzle holder.
J
Julie AndersenAug 30, 2025
Why is the engine revolution not smooth in my wsm RTV900?
- M
  Miguel JohnsonAug 30, 2025
  An uneven engine revolution in your wsm Utility Vehicle can be caused by a few things. A clogged or dirty fuel filter, which should be replaced, or a clogged air cleaner, which should be cleaned or replaced, are common culprits. Additionally, a fuel leak from a loose injection pipe retaining nut needs tightening. Other potential issues include a malfunctioning injection pump (replace it), incorrect nozzle injection pressure (adjust it), a stuck or clogged injection nozzle (repair or replace it), or a malfunctioning governor (repair it).
J
James MillerSep 2, 2025
What does it mean if my wsm Utility Vehicle emits white or blue exhaust gas?
- T
  Tracy DunnSep 2, 2025
  If your wsm Utility Vehicle is emitting white or blue exhaust gas, it could be due to excessive engine oil; reduce it to the specified level. Alternatively, the piston ring and cylinder might be worn or stuck, requiring repair or replacement. Incorrect injection timing can also cause this, so adjust it. Finally, deficient compression could be the issue; adjust the top clearance.
E
elaine11Sep 4, 2025
What causes low oil pressure in a wsm RTV900 Utility Vehicle?
- J
  Joshua ScottSep 4, 2025
  Low oil pressure in your wsm Utility Vehicle can be caused by several factors. Check if the engine oil is insufficient and replenish it. A clogged oil strainer or oil filter can also cause this issue; clean or replace them, respectively. The relief valve might be stuck with dirt, so clean it, or the relief valve spring might be weakened or broken, requiring replacement. Excessive oil clearance in the crankshaft, crankpin bearing, or rocker arm can also lead to low oil pressure, necessitating replacement. A clogged oil passage or using a different type of oil are other potential causes; clean the passage and use the specified oil type. Lastly, a defective oil pump can be the culprit, so replace it.
E
Erin HarrisonSep 7, 2025
Why is my wsm RTV900 Utility Vehicle consuming excessive lubricant oil?
- H
  hoffmanmitchellSep 7, 2025
  Excessive lubricant oil consumption in your wsm Utility Vehicle may be due to several reasons. The piston ring's gap might be facing the same direction; shift the ring gap direction. The oil ring could be worn or stuck, requiring replacement. A worn piston ring groove necessitates piston replacement. Similarly, worn valve stems and valve guides should be replaced. Oil leaks due to defective seals or packing also contribute, so replace them.
N
Nathan JohnsonSep 9, 2025
What could cause fuel to mix into the lubricant oil in my wsm RTV900?
- D
  Debbie GarciaSep 9, 2025
  If fuel is mixing into the lubricant oil of your wsm Utility Vehicle, it could be due to a worn injection pump plunger, which requires injection pump replacement. Another cause may be deficient nozzle injection, so repair or replace the nozzle. In addition, the injection pump might be broken and needs replacement.

wsm RTV900 Specifications

General

Brand	wsm
Model	RTV900
Category	Utility Vehicle
Language	English

Summary

TO THE READER

General

Provides information on product identification, precautions, maintenance checklist, and special tools.

Mechanism

Details the construction and function of the vehicle, essential before servicing.

Servicing

Covers troubleshooting, specifications, torques, and disassembly/assembly procedures.

SAFETY INSTRUCTIONS

SAFETY FIRST

Highlights the importance of the Safety Alert Symbol and reading instructions.

SAFETY STARTING

Provides critical instructions for safely starting the engine.

SAFETY WORKING

Outlines essential precautions for performing work on the machine safely.

AVOID FIRES

Details measures to prevent fire hazards related to fuel and battery.

PREPARE FOR EMERGENCIES

Advises on keeping first aid kits, fire extinguishers, and emergency numbers handy.

SAFETY DECALS

SPECIFICATIONS

Engine

Details engine model, type, displacement, power, and lubrication systems.

Capacities

Lists fluid capacities for fuel, engine crankcase, coolant, and various other systems.

Travelling system

Covers tire specifications, steering, transmission, and braking systems.

Dimensions

Provides overall length, width, height, tread centers, wheelbase, and ground clearance.

Weight

Lists the weight for different models and configurations.

Cargo bed

Details cargo bed dimensions, volume, height, and load capacity.

TRAVELLING SPEEDS

Specifies travelling speeds for different gear selections and models.

GENERAL

TRACTOR IDENTIFICATION

Details how to identify the vehicle by serial numbers and meter readings.

GENERAL PRECAUTIONS

Provides essential guidelines for disassembly, parts handling, and tool usage.

HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING

Offers safety guidelines for managing electrical components and wiring.

LUBRICANTS, FUEL AND COOLANT

Specifies recommended lubricants, fuel types, and coolant for proper operation.

TIGHTENING TORQUES

Lists specified tightening torques for various screws, bolts, and nuts.

MAINTENANCE CHECK LIST

Provides a schedule for maintenance tasks based on operating hours.

CHECK AND MAINTENANCE

Details daily checks, and periodic checks at 50, 150, and 200-hour intervals.

TIRES

Covers tire types, pressure checks, and vehicle limitations.

ENGINE

TROUBLESHOOTING

Addresses common engine starting and running issues with probable causes and solutions.

SERVICING SPECIFICATIONS

Provides factory specifications and allowable limits for engine components.

TIGHTENING TORQUES

Lists specified tightening torques for engine mounting and internal parts.

CHECKING, DISASSEMBLING AND SERVICING

Details procedures for checking, disassembling, and servicing engine components.

TRANSMISSION

STRUCTURE

Illustrates the main sections of the transmission system.

POWER TRAIN

Describes the power train components including HST, range gear, and front wheel drive.

HYDROSTATIC TRANSMISSION (HST)

Details the HST structure, oil flow, and component functions.

TROUBLESHOOTING

Provides solutions for common transmission issues like noise and operational problems.

SERVICING SPECIFICATIONS

Lists factory specifications and allowable limits for transmission components.

TIGHTENING TORQUES

Specifies tightening torques for transmission mounting screws and bolts.

CHECKING

Details procedures for checking hydraulic relief valve pressures.

DISASSEMBLING AND ASSEMBLING

Provides step-by-step instructions for disassembling and reassembling transmission components.

REAR AXLE

STRUCTURE

Illustrates the components of the rear axle and suspension system.

TROUBLESHOOTING

Addresses common noises and issues related to the rear axle.

TIGHTENING TORQUES

Specifies tightening torques for rear axle mounting screws and bolts.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking, disassembling, and servicing rear axle components.

SERVICING

Details inspection and replacement procedures for oil seals, bearings, shafts, and bushes.

BRAKES

GENERAL OUTLINE

Provides an overview of the brake system and its main components.

KNUCKLE (FRONT BRAKE)

Describes the front brake mechanism and automatic adjustment.

REAR BRAKE

Explains the operation of the rear brake system and its components.

MASTER CYLINDER

Details the master cylinder's function, construction, and tandem type mechanism.

BRAKE OIL

Specifies the type of brake fluid and handling precautions.

PARKING BRAKE

Describes the mechanical parking brake system and its components.

TROUBLESHOOTING

Addresses common brake issues like poor braking force, drags, and spongy pedal.

SERVICING SPECIFICATIONS

Lists factory specifications and allowable limits for brake pedal and discs.

TIGHTENING TORQUES

Specifies tightening torques for brake system mounting hardware.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking brake pedal, fluid, lines, and components.

FRONT AXLE

STRUCTURE

Illustrates the components of the front axle system.

FRONT AXLE

Describes the front axle assembly including knuckles, joints, and cases.

FRONT SUSPENSION

Explains the strut type suspension system and its components.

TROUBLESHOOTING

Addresses issues related to front wheel wandering, drive, and noise.

SERVICING SPECIFICATIONS

Provides factory specifications for front axle alignment and component clearances.

TIGHTENING TORQUES

Specifies tightening torques for front axle mounting hardware.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking, adjusting, and servicing front axle components.

STEERING

STRUCTURE

Illustrates the components of the full hydrostatic power steering system.

HYDRAULIC CIRCUIT

Explains the hydraulic circuit for the power steering system.

STEERING CONTROLLER

Details the function of the control valve and metering device in the steering system.

STEERING CYLINDER

Describes the single piston, double-acting steering cylinder and its components.

TROUBLESHOOTING

Addresses common steering issues like hard steering and wandering.

SERVICING SPECIFICATIONS

Lists factory specifications for the steering system's relief valve.

TIGHTENING TORQUES

Specifies tightening torques for steering system mounting hardware.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking, adjusting, and servicing steering components.

HYDRAULIC SYSTEM

STRUCTURE

Illustrates the components of the cargo bed lifting and hydraulic outlet systems.

HYDRAULIC CIRCUIT

Explains the hydraulic circuit for the cargo bed lift and hydraulic power take-off.

HYDRAULIC PUMP

Describes the hydraulic pump's composition and maximum displacement.

HYDRAULIC CYLINDER

Details the external type hydraulic cylinders used for the three-point linkage system.

AUXIALIARY CONTROL VALVE

Explains the function of the auxiliary control valve, including types and operations.

TROUBLESHOOTING

Addresses common hydraulic system issues like implement not rising or dropping.

SERVICING SPECIFICATIONS

Lists factory specifications for the hydraulic system's relief valve.

TIGHTENING TORQUES

Specifies tightening torques for hydraulic system mounting hardware.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking, disassembling, and servicing hydraulic components.

ELECTRICAL SYSTEM

WIRING DIAGRAM

Provides a detailed schematic of the vehicle's electrical system.

STARTING SYSTEM

Explains the operation and components of the starting system.

CHARGING SYSTEM

Details the charging system, including the alternator and IC regulator.

LIGHTING SYSTEM

Covers the operation and troubleshooting of the vehicle's lighting system.

COOLING SYSTEM

Explains the components and operation of the cooling system, including fan motor.

GAUGES

Describes the function and checking procedures for fuel level and coolant temperature gauges.

TROUBLESHOOTING

Addresses common electrical issues for battery, starting, charging, and lighting systems.

SERVICING SPECIFICATIONS

Lists factory specifications for electrical components like battery, starter, and switches.

TIGHTENING TORQUES

Specifies tightening torques for electrical system mounting hardware.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking, disassembling, and servicing electrical components.

NEW TRANSMISSION

TRAVELING SPEEDS

Provides travelling speed specifications for different models and tire sizes.

GENERAL

Contains general information on lubricants, fuel, coolant, and maintenance schedules.

MECHANISM

Details the structure, oil flow, and components of the new transmission.

SERVICING

Covers troubleshooting, specifications, torques, and disassembly for the new transmission.

FRONT AXLE

STRUCTURE

Illustrates the components of the front axle system.

FRONT AXLE

Describes the front axle assembly including knuckles, joints, and cases.

FRONT SUSPENSION

Explains the strut type suspension system and its components.

TROUBLESHOOTING

Addresses issues related to front wheel alignment, drive, and noise.

SERVICING SPECIFICATIONS

Provides factory specifications for front axle alignment and component clearances.

TIGHTENING TORQUES

Specifies tightening torques for front axle mounting hardware.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking, adjusting, and servicing front axle components.

STEERING

STRUCTURE

Illustrates the components of the power steering system.

HYDRAULIC CIRCUIT

Explains the hydraulic circuit for the power steering system.

STEERING CONTROLLER

Details the function of the control valve and metering device in the steering system.

STEERING CYLINDER

Describes the single piston, double-acting steering cylinder and its components.

TROUBLESHOOTING

Addresses common steering issues like hard steering and fluctuating force.

SERVICING SPECIFICATIONS

Lists factory specifications for the steering system's relief valve.

TIGHTENING TORQUES

Specifies tightening torques for steering system mounting hardware.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking, adjusting, and servicing steering components.

HYDRAULIC SYSTEM

STRUCTURE

Illustrates the components of the hydraulic system for cargo bed lift.

HYDRAULIC CIRCUIT

Explains the hydraulic circuit for the cargo bed lift system.

HYDRAULIC PUMP

Describes the hydraulic pump's composition and maximum displacement.

HYDRAULIC CYLINDER

Details the external type hydraulic cylinders used for the three-point linkage system.

AUXIALIARY CONTROL VALVE

Explains the function of the auxiliary control valve, including types and operations.

TROUBLESHOOTING

Addresses common hydraulic system issues like implement not rising or dropping.

SERVICING SPECIFICATIONS

Lists factory specifications for the hydraulic system's relief valve.

TIGHTENING TORQUES

Specifies tightening torques for hydraulic system mounting hardware.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking, disassembling, and servicing hydraulic components.

ELECTRICAL SYSTEM

WIRING DIAGRAM

Provides a detailed schematic of the vehicle's electrical system.

STARTING SYSTEM

Explains the operation and components of the starting system.

CHARGING SYSTEM

Details the charging system, including the alternator and IC regulator.

LIGHTING SYSTEM

Covers the operation and troubleshooting of the vehicle's lighting system.

COOLING SYSTEM

Explains the components and operation of the cooling system, including fan motor.

GAUGES

Describes the function and checking procedures for fuel level and coolant temperature gauges.

TROUBLESHOOTING

Addresses common electrical issues for battery, starting, charging, and lighting systems.

SERVICING SPECIFICATIONS

Lists factory specifications for electrical components like battery, starter, and switches.

TIGHTENING TORQUES

Specifies tightening torques for electrical system mounting hardware.

CHECKING, DISASSEMBLING AND SERVICING

Covers procedures for checking, disassembling, and servicing electrical components.

NEW TRANSMISSION

TRAVELING SPEEDS

Provides travelling speed specifications for different models and tire sizes.

GENERAL

Contains general information on lubricants, fuel, coolant, and maintenance schedules.

MECHANISM

Details the structure, oil flow, and components of the new transmission.

SERVICING

Covers troubleshooting, specifications, torques, and disassembly for the new transmission.

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480 pages

wsm RTV900 User Manual

Table of Contents

Questions and Answers:

wsm RTV900 Specifications

Summary

TO THE READER

General

Mechanism

Servicing

SAFETY INSTRUCTIONS

SAFETY FIRST

SAFETY STARTING

SAFETY WORKING

AVOID FIRES

PREPARE FOR EMERGENCIES

SAFETY DECALS

SPECIFICATIONS

Engine

Capacities

Travelling system

Dimensions

Weight

Cargo bed

TRAVELLING SPEEDS

GENERAL

TRACTOR IDENTIFICATION

GENERAL PRECAUTIONS

HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING

LUBRICANTS, FUEL AND COOLANT

TIGHTENING TORQUES

MAINTENANCE CHECK LIST

CHECK AND MAINTENANCE

TIRES

ENGINE

TROUBLESHOOTING

SERVICING SPECIFICATIONS

TIGHTENING TORQUES

CHECKING, DISASSEMBLING AND SERVICING

TRANSMISSION

STRUCTURE

POWER TRAIN

HYDROSTATIC TRANSMISSION (HST)

TROUBLESHOOTING

SERVICING SPECIFICATIONS

TIGHTENING TORQUES

CHECKING

DISASSEMBLING AND ASSEMBLING

REAR AXLE

STRUCTURE

TROUBLESHOOTING

TIGHTENING TORQUES

CHECKING, DISASSEMBLING AND SERVICING

SERVICING

BRAKES

GENERAL OUTLINE

KNUCKLE (FRONT BRAKE)

REAR BRAKE

MASTER CYLINDER

BRAKE OIL

PARKING BRAKE

TROUBLESHOOTING

SERVICING SPECIFICATIONS

TIGHTENING TORQUES

CHECKING, DISASSEMBLING AND SERVICING

FRONT AXLE

STRUCTURE

FRONT AXLE

FRONT SUSPENSION

TROUBLESHOOTING

SERVICING SPECIFICATIONS

TIGHTENING TORQUES

CHECKING, DISASSEMBLING AND SERVICING

STEERING

STRUCTURE

HYDRAULIC CIRCUIT

STEERING CONTROLLER

STEERING CYLINDER

TROUBLESHOOTING

SERVICING SPECIFICATIONS

TIGHTENING TORQUES