Segway SNARLER ATV 2021 Series User Manual (English)

Andrew SmallAug 2, 2025

What to do if I have an oxygen sensor failure on my Segway Offroad Vehicle?

S
Sara LopezAug 2, 2025
To troubleshoot an oxygen sensor failure on your Segway Offroad Vehicle, first, check if the oxygen sensor connector is securely connected. If it is, unplug the connector and inspect the sensor and wire harness end pins for any bending or deformation. Next, verify that the resistance between pins B and D is normal, and also check that the voltage between pin B and the main relay is normal. Finally, reconnect the connector, run the engine briefly, and confirm that the voltage between pins A and C is normal.

Brand	Segway
Model	SNARLER ATV 2021 Series
Category	Offroad Vehicle
Language	English

Brand

Segway

Model

SNARLER ATV 2021 Series

General Information

Vehicle Identification Number

Identifies the vehicle using frame and engine serial codes.

Technical Parameters of Vehicle

Lists specifications like dimensions, engine details, fluids, tires, and brake/suspension systems.

Unit Conversion Table

Provides conversion factors for various units like torque, pressure, power, volume, speed, and temperature.

Torque Specifications

Details engine standard and special fastener tightening torques with remarks.

Maintenance

Maintenance Periodic Table

Outlines regular maintenance intervals based on hours, calendar, and mileage for various vehicle components.

Engine Oil and Filter Maintenance

Explains engine oil level checks, oil and filter changes, and oil strainer cleaning.

Brake System Maintenance

Covers inspection, replacement, and adjustment procedures for brake pads, hoses, fluid, discs, and cylinders.

Engine Lubrication System

Engine Oil and Oil Filter Procedures

Details oil level inspection, oil and filter changes, and coarse filter maintenance.

Oil Pressure Measurement and Valve Servicing

Explains how to measure oil pressure and service the oil pressure valve.

Oil Pump and Cooler Procedures

Covers the removal, installation, and gear procedures for the oil pump and oil cooler.

Crankshaft / Transmission

Crankcase Disassembly and Assembly

Provides procedures for disassembling and assembling the crankcase, including related components.

Crankshaft and Connecting Rod Procedures

Details inspection and measurement of crankshaft bend, runout, and bearing wear.

Transmission Removal and Installation

Covers the procedures for removing and installing the transmission, including shift forks and gears.

Engine-Electrical System

Charging System Procedures

Covers alternator cover, rotor, and stator removal, installation, and inspection.

Electric Starter System Procedures

Details starter motor removal, installation, clutch procedures, and gear assembly.

One-Way Clutch and Starter Gear Procedures

Explains the inspection, removal, and installation of the one-way clutch and starter gear.

Engine-Cooling System

Water Pump Procedures

Covers water pump removal, installation, cover, impeller, and shaft servicing.

Thermostat Procedures

Details thermostat removal, installation, and inspection procedures.

Coolant Temperature Sensor Procedures

Explains the removal, installation, and inspection of the coolant temperature sensor.

Engine Top End

Cylinder Head Procedures

Details cylinder head removal, inspection, warp measurement, and piston/ring installation.

Piston and Ring Procedures

Covers piston removal, installation, cylinder wear, and piston wear measurement.

Camshaft Installation and Timing

Guides through camshaft installation, timing, and carrier installation procedures.

Valve Clearance Adjustment

Provides steps for measuring and adjusting valve clearance using tappets.

CVT System

Drive Belt Procedures

Details drive belt removal, installation, and inspection procedures.

Drive Pulley and Driven Pulley Procedures

Covers removal, disassembly, inspection, and assembly of drive and driven pulleys.

Front and Rear Differential

Front Differential Gear Oil Replacement

Details draining and adding gear oil for the front differential.

Front Differential Disassembly and Installation

Covers removal of universal joint, transfer case, and differential components.

Bevel Gear Inspection and Adjustment

Details inspection of bevel gears and adjustment of backlash and tooth contact.

Rear Differential Gear Oil Replacement

Details draining and adding gear oil for the rear differential.

Wheels and Tires

Wheel alignment

Covers front beam inspection and adjustment procedures.

Wheels (Rim) Procedures

Details wheel disassembly, assembly, and check procedures.

Tire Procedures

Covers tire disassembly, assembly, inspection, and mounting procedures.

Wheel hub Procedures

Explains wheel hub disassembly, assembly, and bearing replacement.

Brake System

Master Cylinder Procedures

Details handbrake disassembly, installation, and master cylinder inspection.

Caliper Procedures

Covers caliper disassembly, installation, piston/cylinder inspection, and holder shaft wear.

Brake Pads Procedures

Details brake pad removal, installation, and wear inspection.

Brake Discs Procedures

Covers brake disc cleaning, removal, installation, and wear measurement.

Steering System

Steering System Handlebar Disassembly and Installation

Details the procedures for disassembling and installing the handlebar, including locking bolts and gap adjustments.

Steering Column Disassembly

Covers the disassembly of the steering column, including EPS components and bolts.

Vehicle Body and Frame

Disassembly of Plastic Parts of Body

Details the removal of front lampshade, upper mudguard, lower mudguard, and front strip.

Front Panel and Guards

Covers removal of front panel, left/right guards, and front guard plates.

Front Differential Repairs

Details disassembly and assembly procedures for the front differential.

Rear Differential Repair

Covers disassembly and assembly procedures for the rear differential.

Electrical System

Battery Procedures

Covers battery removal, installation, and charging procedures.

ECU Operation and Troubleshooting

Explains ECU function, electrical characteristics, protection, and fault diagnosis.

Lighting System Procedures

Provides a wiring schematic for the vehicle's lighting system.

Spark Plug Procedures

Details spark plug removal, installation, inspection, and torque specifications.

Segway SNARLER ATV 2021 Series User Manual

Table of Contents

Questions and Answers:

Segway SNARLER ATV 2021 Series Specifications

Summary