GPX Demon 150GR User Manual

Introduction
Congratulations to the new GPX Owner! GP Motor (Thailand) Co., Ltd. would like to thank you for your
trust in purchasing this motorcycle. With our sophisticated engineering innovation, GPX Demon 150GR is finely
crafted to be one of the decent motorcycles one can desire for. The design is aimed for it to be a handy, economy
and easy to use motorbike, nevertheless safety and efficiency come as its true ultimate.
Please study this owner’s manual in order for you to enjoy all the advantages of the vehicle. This manual
also gives you the basic instructions on how to operate, keep proper care of your bike including trouble-shooting
tips. For further questions and helps please contact any GPX dealers near you.
Yours sincerely,
GP Motor (Thailand) Co., Ltd.

GPX Demon 150GR Specifications

General

Displacement	149cc
Fuel System	Carburetor
Transmission	6-speed
Front Brake	Disc
Tire Front	100/80-17
Tire Rear	130/70-17
Engine Type	Single cylinder, 4-stroke
Rear Brake	Disc
Starting System	Electric

Summary

Introduction

Safety to Riding

Instructions for Safe Ride

Provides guidance for safe motorcycle operation and riding practices.

General Information

Parts Location

Identifies key external components of the motorcycle.

Instrument Panel Gauges

Explains the various indicators and readouts on the instrument panel.

Handlebar Controls Overview

Details the switches and controls on both handlebars.

Chassis and Engine Identification

Ignition Key Operation

Fuel Tank Cap Procedures

Starting the Engine

Gasoline Requirements

Specifies the type and handling of gasoline for the motorcycle.

Riding Techniques

Taking Off from Standstill

Step-by-step guide on how to begin riding the motorcycle.

Shifting Gears Guide

Instructions on how to properly shift gears for optimal performance.

Recommended Shifting Speeds

Recommended speeds for shifting through the gears for smooth riding.

Effective Braking Procedures

Guidelines for effective and safe braking techniques.

Periodic Maintenance Schedule

Maintenance and Adjustment

Engine Oil Service

Procedures and intervals for checking and changing engine oil.

Spark Plug Replacement

Steps for removing, checking, and replacing the spark plug.

Engine Warning Light Diagnosis

Explains the engine warning light and potential EFI issues.

Air Filter Maintenance

Instructions for cleaning or replacing the air filter for optimal airflow.

Battery Service

Information on the VRLA battery and its removal/replacement.

Brake System Checks

Guidance on inspecting brake pads and fluid levels for safety.

Clutch Adjustment Procedure

How to check and adjust the clutch lever free play for smooth operation.

Drive Chain Care

Procedures for checking and adjusting drive chain slack and tension.

Tire Pressure Checks and Settings

How to check and maintain proper tire air pressure for performance.

Speed-o-Meter Setting

Speed Unit Selection

How to select between mph and km/h display modes on the instrument.

Trip Odometer Reset

Steps to reset the trip odometer to zero for tracking distances.

Clock Setting and Adjustment

Guide for setting the current time on the instrument panel.

Motorcycle Specifications