KSR Moto GRS125 2013 User Manual (English)

Questions and Answers:

N
Nicholas CastroAug 2, 2025
What to do if my KSR Moto GRS125 2013 engine does not start when pushing the electric starter button?
- V
  valenciashannonAug 2, 2025
  If your KSR Moto Motorcycle engine fails to start when you press the electric starter, there are several potential causes. The battery might be discharged, in which case you should charge it or check the charging system and generator. A blown fuse could also be the culprit, so replace the fuse. Other possibilities include a defective starter relay or motor, which would require checking these components. Finally, ensure the roll over sensor is correctly assembled.
M
Morgan McbrideAug 6, 2025
Why is my KSR Moto GRS125 2013 engine power poor?
- J
  Jasmine DayAug 6, 2025
  Poor engine power in your KSR Moto Motorcycle can stem from several causes. The air filter might be contaminated, so clean it. Similarly, a contaminated fuel filter can cause this issue, so clean the fuel filter. A failure in the fuel system or a problem with the ignition system could also be responsible, so check both. Finally, insufficient valve clearance can lead to poor performance, so adjust the valve clearance.
P
Patricia CareyAug 12, 2025
What to do if my KSR Moto Motorcycle engine turns but does not start or dies off?
- G
  Gabrielle TaylorAug 12, 2025
  If your KSR Moto Motorcycle engine turns but doesn't start or stalls, there are several potential reasons. A worn wiring harness or contact problems in a plug could be the cause, so check the wiring harness and its plugs. Also, make sure you have gasoline in the tank and that there isn't a problem with the fuel pump or filter, so check the pump and the filter. Fuel leakage could also be the cause, so check the fuel circuit.
C
Colleen ConleyAug 17, 2025
Why is my KSR Moto Motorcycle engine overheating?
- K
  khurstAug 17, 2025
  An overheating KSR Moto Motorcycle engine can be caused by: 1. Insufficient coolant in the system, so refill coolant. 2. Coolant leakage, so check the coolant circuit. 3. Air in the coolant system, so ventilate the system. 4. A damaged thermostat, so replace it.

KSR Moto GRS125 2013 Specifications

General

Fuel System	Carburetor
Transmission	5-speed
Front Suspension	Telescopic fork
Compression Ratio	9.2:1
Ignition	CDI
Rear Suspension	Mono shock
Front Brake	Disc
Cooling	Air
Bore x Stroke	56.5 mm x 49.5 mm
Engine Type	1-cylinder, 4-stroke, air-cooled
Displacement	124.6 cc
Frame Type	Steel tubular frame

Summary

Introduction to the User Manual

Important Manual Information and Notations

Warning and Caution Notations

Explains the meaning of WARNING and CAUTION symbols used in the manual for safety and damage avoidance.

Safety Information for Riders

Safe Riding Practices

Guidelines for safe motorcycle operation, visibility, and following traffic rules.

Protective Clothing Recommendations

Importance of wearing helmets, jackets, shoes, and gloves for rider safety.

Vehicle Modifications and Loading Guidelines

Risks of unauthorized modifications and advice on safe cargo loading and weight distribution.

Fuel and Exhaust Gas Safety

Precautions regarding gasoline flammability and hazardous exhaust fumes.

Other Safe Riding Points

Tips for turns, riding in wet conditions, and interacting with other traffic.

Vehicle Description and Controls

Side View Component Identification

Labels and identification of external parts shown in the side view diagram.

Controls and Instruments Identification

Labels and identification of handlebar controls and dashboard instruments.

Consumer Information

Vehicle Identification Number (VIN)

Location and importance of the VIN for identification and registration purposes.

Instrument and Control Functions

Main Switch Operation

Explanation of the main switch positions (On, Off, Steering Lock) and warnings.

Dashboard Unit Indicators

Explains the function of various warning lights, indicators, and gauges on the dashboard.

Dashboard Controls and Left Handlebar Switches

Explains fuel gauge, clock, buttons, and left handlebar controls (turn signals, horn).

Right Handlebar Controls and Brake/Gear Operation

Details right handlebar controls and operation of brake lever, brake pedal, and gear shift pedal.

Fuel Tank and Refueling

Instructions for fuel tank cap operation and safe refueling procedures with warnings.

Catalytic Converter and Seat Operation

Information on the catalytic converter's heat and instructions for seat access.

Stands and Combined Brake System

Proper use of side and main stands, and explanation of the Combined Brake System (CBS).

Pre-Operation Checks

Pre-Operation Checklist Items

A comprehensive list of checks before riding, detailing what to verify for each component.

Operation and Riding Points

Starting Engine and Riding Off

Steps for starting the engine, warming it up, and beginning to ride.

Shifting Gears and Riding

Instructions for shifting gears up and down while riding and warnings.

Acceleration and Deceleration

How to adjust vehicle speed using the throttle grip and related warnings.

Braking Techniques

Proper braking procedures and warnings about slippery surfaces and downhill braking.

Stopping and Parking

Steps for safely stopping the engine, parking the vehicle, and related safety warnings.

Engine Break-In Procedure

Guidelines for the first 1000 km to ensure engine durability and efficiency.

Periodic Maintenance and Minor Repair

Owner's Tool Kit and Spark Plug Maintenance

Details on the owner's tool kit and how to check/replace the spark plug.

Engine Oil Check and Change

Procedure for checking oil level, recommended oil, and oil change advice.

Fuel/Air Filter and Throttle Cable Maintenance

Maintenance for fuel/air filters and throttle cable free play adjustment.

Clutch Free Play and Tire Maintenance

Adjusting clutch free play and inspecting tires for condition and air pressure.

Wheel Rim and Tire Inspection

Checking wheel rims for damage and tire condition, including tread depth.

Brake Lever and Pedal Free Play Adjustment

How to check and adjust free play in the front brake lever and rear brake pedal.

Brake Pad Wear and Fluid Checks

Checking brake pad wear indicators and brake fluid level, with refill instructions.

Cable, Lever/Pedal Lubrication, and Front Fork Inspection

Maintenance for cables, levers/pedals, and front fork inspection.

Steering and Wheel Bearing Checks

How to check steering bearings and wheel bearings for proper function and play.

Drive Chain Tensioning and Shock Absorber Adjustment

Adjusting drive chain tension and rear shock absorber preload.

Battery and Fuse Maintenance

Procedures for battery handling, charging, storage, and fuse replacement.

Lighting System Maintenance

How to check and replace bulbs for various lighting components.

Troubleshooting Common Issues

Troubleshooting Chart

A guide to diagnose and resolve common engine starting and running issues.

Cleaning and Storage Procedures

Vehicle Cleaning Procedures

General advice on cleaning the motorcycle, including precautions and methods for different conditions.

Storage Procedures

Guidelines for short-term and long-term vehicle storage to prevent damage and rust.

Vehicle Specifications

Vehicle Dimensions

Key physical dimensions of the motorcycle including length, height, and wheelbase.

Engine and Oil Specifications

Details on engine type, displacement, oil, fuel type, and air filter.

Chassis, Tire, and Spark Plug Specifications

Details on chassis type, tire dimensions, air pressure, and spark plug type.

Brake, Suspension, and Electrical Systems

Specifications for brake system, suspension, electrical system, lamps, and fuse.

Warranty Information

Service and Maintenance Schedule

Important Maintenance Information

General notes on warranty, maintenance scheduling, and performing work.

Maintenance Schedule

A table detailing inspection and service intervals for various components.

Service Record Log

A log for recording maintenance dates, odometer readings, and service stamps.

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Table of Contents