Part of the Kubota Repair Manuals.
This is the Kubota Workshop Manual for the RTV-XG850 and RTV-XG850 EVAP utility vehicles, a 392 page factory service document. It covers machines powered by the GZ8510 and GZ8510-1 gasoline engines with electronic fuel injection.Inside you get the full repair chain: the engine with its multi point injection and sensors, the CVT transaxle and range gear shift, suspension, brakes with automatic adjustment, the front axle and limited slip differential, electronic power steering, and the electrical system with its starting, charging, lighting and gauge circuits. Tightening torques, a maintenance check list, and detailed mechanism descriptions run section by section.With this PDF you can read the EFI sensors correctly, service the CVT and drivetrain, and repair steering or electrical faults to Kubota figures instead of guessing. It is a searchable download you can print or keep on a phone, tablet or laptop right beside the machine.
What's Inside This Kubota RTV-XG850, RTV-XG850 EVAP Manual
| System | Pages | Key Topics |
|---|---|---|
| Information | 17-35 | Safety First, Safety Labels for RTV, Care of Danger, Warning and Caution Labels, Specification Table, Traveling Speeds, Dimensions |
| General | 36-110 | Product Identification, General Precautions, Handling Precautions for Electrical Parts and Wiring, Lubricants, Fuel and Coolant, Tightening Torques, Maintenance Check List |
| Engine | 111-205 | Mechanism (Engine Body, Camshaft, Cylinder, Crankcase and Oil Pan, Piston, Connecting Rod, Balancer, Flywheel, Lubricating System, Oil Pump, Oil Filter and Relief Valve, Cooling System, Coolant Flow with Thermostat Fully Closed 66 °C, Coolant Flow with Thermostat Fully Open 84 °C, Water Pump, Thermostat, Radiator, Radiator Cap, Fuel System, Electronic Fuel Injection System, Multi-Point Injection System, Isc, Throttle Position Sensor, Tmap Sensor, O2 Sensor, Coolant Temperature Sensor, Crankshaft Position Sensor, Evapo System, Intake System) |
| Transmission | 206-252 | Mechanism (Structure of Transaxle, CVT, Range Gear Shift, Gear Positions, Front Wheel Drive, Differential Lock) |
| Suspension | 253-263 | Troubleshooting, Tightening Torques, Checking Shock Absorber, Adjusting Shock Absorber Spring, Checking Rear Knuckle Case, Rear Shock Absorber, Disconnecting Negative Battery Cable |
| Brakes | 264-298 | Mechanism (Outline of Traveling Brake, Traveling Brake, Automatic Brake Adjustment, Master Cylinder, Brake Oil, Parking Brake) |
| Front Axle | 299-321 | Mechanism (Structure of Front Axle, Limited Slip Differential, Operation of Limited Slip Differential) |
| Steering | 322-336 | Electronic Power Steering, Troubleshooting, Diagnostic Trouble Code for EPS ECU, Service Specifications for Steering, Tightening Torques, Adjusting Stopper Bolt, Removing Electric Power Steering (EPS) Motor, Disconnecting Negative Battery Cable |
| Electrical System | 337-392 | Mechanism (Location of Electrical Components, Starting System, Key Switch, Starter Solenoid, Starter, Neutral Safety Switch, Location of Relay, Charging System, Charge Coil, Regulator, Brake Lamp Switch, Lighting System, Head Light Switch, Cooling System, Fan Motor, Coolant Temperature Sensor, Traveling Speed Sensor, Gauge System, Fuel Level Sensor, Meter Panel, Easy Checker, Others, 12 V Electric Outlet) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| General use screws, bolts and nuts (M6, No-grade or 4T) | 7.9 to 9.3 N·m | p. 47 |
| General use screws, bolts and nuts (M8, No-grade or 4T) | 18 to 20 N·m | p. 47 |
| Engine Displacement | 0.851 L (51.9 cu. in.) | p. 30 |
| Fuel Tank Capacity | 32.7 L (8.6 U.S.gals) | p. 30 |
| High Range Traveling Speed | 64.4 km/h (40 mph) | p. 32 |
| Engine Oil Capacity (Filter exchanged) | 3.8 L (4.0 U.S.qts) | p. 45 |
| Transmission Fluid Capacity | 2.5 L (2.6 U.S.qts) | p. 45 |
| General Use Bolt Torque (M10, 7T) | 48 to 55 N·m (36 to 41 lbf·ft) | p. 47 |
| Wheel Fastener Torque | 130.0 to 150.0 N·m (95.89 to 110.6 lbf·ft) | p. 65 |
| Engine Oil Change Interval | Every 100 hrs (3000 km) | p. 53 |
| RTV-XG850 | ||
| Cargo Bed Capacity | 454 kg (1000 lbs) | p. 30 |
| RTV-XG850 EVAP | ||
| Cargo Bed Capacity | 272 kg (600 lbs) | p. 30 |
Kubota RTV-XG850, RTV-XG850 EVAP Common Problems This Manual Covers
CVT belt slip or wear
Weak acceleration, belt smell, or lost top speed on the RTV point to a worn CVT belt or clutch surfaces. The Transmission section documents the CVT structure, the range gear shift, and gives the belt width service limit for judging wear.
Manual Section: Transmission p. 206Hard starting or rough running EFI
Because this engine uses electronic fuel injection, a bad throttle position, TMAP, O2 or coolant temperature sensor can cause hard starts and stumble. The Engine section explains the multi point injection system and the function of each sensor for diagnosis.
Manual Section: Engine p. 111Weak or dragging brakes
A soft pedal or a brake that will not release traces to the master cylinder, the automatic adjuster, or worn friction parts. The Brakes section outlines the travelling brake structure, automatic brake adjustment, master cylinder and parking brake.
Manual Section: Brakes p. 264Electronic power steering fault
Heavy steering, sudden loss of assist, or a warning light usually means the electronic power steering unit or its inputs rather than the mechanical linkage. The Steering section covers the structure of the electronic power steering system.
Manual Section: Steering p. 322No start or dead electrical
No crank, no gauge, or charging trouble points to the key switch, starter solenoid, neutral safety switch, or the charge coil and regulator. The Electrical System section maps the starting, charging and gauge circuits and the location of each component.
Manual Section: Electrical System p. 337Front differential bind or slip
Poor traction, tight turning, or clunking at the front can come from the limited slip differential or front drive. The Front Axle section covers the structure and operation of the limited slip differential and the front axle.
Manual Section: Front Axle p. 299Frequently Asked Questions
Which machines does this manual cover?
It covers the Kubota RTV-XG850 and the RTV-XG850 EVAP utility vehicles, both running the GZ8510 series gasoline engine.
Does it cover the electronic fuel injection system?
Yes. The Engine section details the multi point injection system and the function of the ISC, throttle position, TMAP, O2, coolant temperature and crankshaft position sensors. p. 111
Is the CVT transaxle covered?
Yes. The Transmission section covers the transaxle structure, the CVT, range gear shift, front wheel drive and differential lock, including the CVT belt service limit. p. 206
How do I get the manual after purchase?
You download the PDF right after checkout. There is no shipping and no waiting, and the file stays yours to reopen whenever you need it.
What format is this Kubota RTV-XG850 manual in?
Download the complete 392-page searchable Workshop Manual right away. It opens on any device, whether that's a laptop at your desk or a phone out in the field.
Can I print just the pages I need from this Kubota RTV-XG850 manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
Does this Kubota RTV-XG850 manual have electrical schematics?
Yes. You'll find full electrical schematics with wire routing diagrams, connector identification, and circuit descriptions.
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