atv 70cc - Owner’s Manual - Off-Road Use Only

Oct 24, 2026

Owner’s manual for an off-road ATV, covering ATV 70cc, ATV 125cc, and ATV 250cc variants. Includes safety guidance emphasizing illegal and unsafe operation on public roads, compliance with off-road noise and spark arrestor regulations, and rights to update information. Provides copyright and reproduction limits, local law reminders, and a detailed contents overview spanning pre-operation checks, fuel, engine oil, cooling system, brakes, controls, starting, break-in, inspection, and riding techniques across the three models.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages181

Reading Time7 h 36 min

AccessFree to download

Introduction

A Few Words About Safety

Safety Information

Safety Labels

Pre-Operation Checks

Fuel

Engine Oil

Radiator

Front And Rear Brakes

Throttle Lever

Drive Chain

Tires

Chassis Fasteners

Instrument, Lights And Switches

Operation-ATV 70

To Start Out And Accelerate

To Decelerate

Engine Break-In

Operation-ATV 125

Remote Engine Stop Switch

Break-In

Inspection Before Riding

Starting The Engine

Starting Off

Braking

Turning

Skidding

On Hills

Traversing A Slope

Riding Through Water

Operation-ATV 250

Starting A Cold Engine

Starting A Warm Engine

Shifting

Engine Break-In

Owner’s Manual And Tool Kit

ATV 70

ATV 70-Control Functions

Main Switch

Throttle

Handlebar Switches

Engine Stop Switch

Start Switch

Rear Brake Lever

Parking Brake

Speed Limiter

Seat

Fuel Tank Cap

Front Brake Lever

Front Shock Absorber Adjustment

Rear Shock Absorber Adjustment

ATV 70-Periodic Service

ATV 70-Component Inspection

Engine

Engine Oil

MANUAL \# 3627 Owner’s Manual atv 70cc atv 125cc atv 250cc FOR OFF-ROAD USE ONLY This vehicle is designed and manufactured for off-road use only. It is illegal and unsafe to operate this machine on any public street, road and highway. This vehicle complies with all applicable off-road noise level and spark arrestor laws and regulation in effect at the time of manufacture. Thumpstar reserves the right to make changes at any time without notice and without incurring any obligation. This publication includes the latest production information available before printing. No part of this publication may be reproduced without written permission. Please check your local riding laws and regulations before operating this machine. Contents These pages give an overview of the contents of your owner’s manual Introduction ............................................................................................ 1 A Few Words About Safety ..................................................................... 2 Safety Information .................................................................................. 3 Safety Labels ............................................................................................ 4 Pre-Operation Checks ........................................................................... 12 Fuel .................................................................................... 14 Engine Oil .......................................................................... 14 Radiator ............................................................................. 14 Front And Rear Brakes ....................................................... 14 Throttle Lever ..................................................................... 15 Drive Chain ........................................................................ 15 Tires ................................................................................... 15 Chassis Fasteners ................................................................ 16 Instrument, Lights And Switches ......................................... 16 Operation-ATV 70 .............................................................................. 17 To Start Out And Accelerate ................................................. 17 To Decelerate ....................................................................... 17 Engine Break-In ................................................................... 18 Operation-ATV 125 ............................................................................ 19 Remote Engine Stop Switch .................................................. 19 Break-In .............................................................................. 21 Inspection Before Riding ...................................................... 22 Starting The Engine ............................................................. 23 Starting Off ......................................................................... 25 Braking ............................................................................... 26 Turning ............................................................................... 26 Skidding .............................................................................. 27 On Hills ............................................................................... 28 Traversing A Slope .............................................................. 30 Riding Through Water ........................................................ 30 Operation-ATV 250 ............................................................................ 31 Starting A Cold Engine ....................................................... 31 Starting A Warm Engine ..................................................... 32 Shifting ............................................................................... 32 To Start Out And Accelerate ...

FAQs

What are the key safety rules before operating this ATV?

The manual states the vehicle is designed for off-road use only and warns it is illegal and unsafe to operate on public streets, roads, or highways. It also advises checking local riding laws and regulations before use.

Which components are covered in the pre-operation checks section?

Pre-operation checks include fuel, engine oil, radiator, front and rear brakes, throttle lever, drive chain, tires, chassis fasteners, and instrument, lights, and switches.

What does the manual cover for operating the ATV across different models?

It provides operation guidance for ATV 70, ATV 125, and ATV 250, including starting procedures, deceleration, engine break-in, braking, turning, skidding, hill riding, slope traversing, and riding through water.

Oct 24, 2026

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