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Honda CRF125F 2021 User Manual

Honda CRF125F 2021
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Honda CRF125F/FB
OWNER’S MANUAL
USO E MANUTENZIONE
MANUAL DEL PROPIETARIO
© Honda Motor Co., Ltd. 2021
37K28B31.book Page 1 Monday, July 26, 2021 6:11 PM
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Honda CRF125F 2021 Specifications

General IconGeneral
Engine Type124.9cc air-cooled single-cylinder four-stroke
Bore x Stroke52.4mm x 57.9mm
Compression Ratio9.0:1
IgnitionCDI
TransmissionFour-speed
Final DriveChain
Rear BrakeDrum
Front Tire70/100-17
Rear Tire90/100-14
Fuel Capacity1.0 gallon
Ground Clearance8.3 inches
Front Brake220mm hydraulic disc
Trail3.2 in.
Curb Weight194 pounds

Summary

Important Information

Welcome

A Few Words About Safety

Operation

Motorcycle Safety

General safety guidelines and responsibilities for operating a motorcycle.

Important Message to Parents

Guidance for parents on their child's readiness and safety when riding.

Important Safety Information

Key safety recommendations including wearing helmets and not carrying passengers.

Protective Apparel

Recommendations for essential riding gear like helmets, boots, gloves, and apparel.

Riding Position and Safety Equipment

Illustration and explanation of the correct riding posture and necessary safety equipment.

Load Limits and Guidelines

Information on the motorcycle's weight capacity and guidelines for carrying cargo safely.

Labels

Explanation of label locations and their meanings, including safety warnings.

Major Components

Detailed information on key motorcycle components required for operation.

Parts Location

Diagram identifying the location of various controls and parts on the motorcycle.

Indicators

Description and function of dashboard indicators and warning lights.

Essential Individual Components

Details on essential components like the ignition switch, start button, and engine stop switch.

Features (Not Required for Operation)

Information on features not directly related to motorcycle operation, such as the left side cover.

Pre-Ride Inspection

Essential checks to perform on the motorcycle before each ride for safety and condition.

Starting the Engine

Procedure for starting the motorcycle's engine, including preparation and different conditions.

Running-In

Instructions for the initial break-in period to ensure future reliability and performance.

Riding

Guidance on proper riding techniques, including gear shifting and review of safety.

Braking

Detailed instructions on braking techniques, including normal and maximum deceleration, and safety reminders.

Parking

Proper procedures for parking the motorcycle safely, including ignition and stand usage.

Anti-Theft Tips

Tips and recommendations to prevent motorcycle theft.

Maintenance

The Importance of Maintenance

Explanation of why regular maintenance is essential for safe, economical, and trouble-free riding.

Maintenance Safety

Safety precautions and guidelines to follow when performing maintenance tasks on the motorcycle.

Safety Precautions

General safety precautions for maintenance, including engine off, hot parts, and fuel handling.

Maintenance Schedule

Schedule outlining required maintenance tasks and their intervals for optimal motorcycle condition.

Tool Kit

Details on the included tool kit, specifying the spark plug wrench and its handle.

Serial Numbers

Information on locating and recording frame and engine serial numbers for registration and parts ordering.

Air Cleaner

Instructions for servicing the air cleaner, including removal, cleaning, and reinstallation.

Crankcase Breather

Procedure for draining deposits from the crankcase breather tube to maintain engine performance.

Engine Oil

Oil recommendations, including API classification, viscosity, and JASO standard for the motorcycle.

Spark Plug

Guidance on recommended spark plug type, inspection, and proper installation procedures.

Throttle Operation

Instructions for inspecting and adjusting throttle cable freeplay for smooth operation.

Spark Arrester

Procedure for purging carbon deposits from the spark arrester screen to maintain exhaust system function.

Drive Chain

Instructions for inspecting, adjusting, and lubricating the drive chain for optimal service life.

Wheel Rims and Spokes

Maintenance of wheel rims and spokes, including inspection for damage and spoke tension.

Wheel Removal

Step-by-step instructions for removing the front wheel, including axle nut and shaft removal.

Brake Pads Wear

Guidance on inspecting front brake pads for wear using the wear limit groove.

Brake Shoes Wear

Procedure for checking rear brake shoe wear using the indicator and when replacement is needed.

Battery

Information on the maintenance-free battery, including its location and handling precautions.

Fuse Replacement

Instructions for replacing blown fuses, emphasizing the use of correct ratings.

Front Suspension

Checking the front suspension for smooth operation, oil leakage, and security of mounting bolts.

Rear Suspension

Checking the rear suspension components, including swingarm bearings and attachment points.

Side Stand

Inspection of the side stand spring and assembly, and lubrication for smooth operation.

Cleaning

Recommendations for cleaning the motorcycle, including avoiding high-pressure washers on specific areas.

Transporting

Guidelines for safely transporting the motorcycle on a truck or trailer using tie-down straps.

Storage Guide

Steps to take for extended storage to prevent deterioration and ensure readiness upon removal.

Removal from Storage

Procedure for preparing the motorcycle after a period of storage, including cleaning and checks.

Taking Care of the Unexpected

If You Crash

Immediate actions to take after a crash, prioritizing safety and assessing damage.

Specifications

Dimensions

Detailed measurements for overall length, width, height, and wheelbase of the motorcycle.

Capacities

Specifications for engine oil, fuel tank, passenger capacity, and maximum weight.

Manufacturer, Authorized Representative and Importer

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