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um CBF 125 User Manual

um CBF 125
115 pages
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CBF 125 ENGINE - AIR COOLING
SERVICE MANUAL AND DELPHI EFI DIAGNOSTIC

Table of Contents

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um CBF 125 Specifications

General IconGeneral
Brandum
ModelCBF 125
CategoryEngine
LanguageEnglish

Summary

Main Technical Parameters

Engine Specifications and Valve Timing

Covers model, type, bore, stroke, displacement, compression, valve timing, power, torque, idle speed.

Maintenance Parameters: Oil and Spark Plugs

Details engine oil capacity and spark plug specifications.

Cylinder Head and Valve Measurements

Specs for valve clearance, stem diameter, and rocker arm components.

Cylinder and Piston Specifications

Covers cylinder bore dimensions and piston/ring clearances.

Clutch and Drivetrain Specifications

Details clutch and gear specifications like thickness and diameters.

General Maintenance Procedures

Maintenance Schedule, Standards, and Torque

Covers maintenance cycle, standards, and torque values.

Spark Plug Maintenance Procedures

Explains spark plug inspection, gap adjustment, and replacement.

Valve Clearance Adjustment Guide

Step-by-step instructions for adjusting valve clearance.

Engine Oil Level Inspection Procedure

Describes how to check the engine oil level correctly.

Engine Oil Change Process

Outlines the steps for draining and refilling engine oil and replacing the filter.

Lubrication System

Lubrication System Schematics

A detailed diagram illustrating the lubrication system's flow.

Lubrication System Specs and Troubleshooting

Technical specifications and common issues with remedies.

Oil Pump Extraction and Installation

Step-by-step guide for removing and installing the oil pump.

Cylinder Head Parts Maintenance

Cylinder Head Exploded View

Illustrated breakdown of cylinder head components for identification.

Upper Cylinder Head Cover Service

Procedures for disassembly and maintenance of the upper cylinder head cover.

Rocker Arm Assembly Maintenance

Instructions for disassembling, inspecting, and assembling the rocker arm set.

Cylinder Head Assembly Service

Steps for disassembling and reassembling the cylinder head components.

Tensioner Device Extraction and Installation

Guide for removing and reinstalling the chain tensioner device.

Cylinder Block and Piston Service

Cylinder Block/Piston Exploded View

Diagram showing the cylinder block and piston assembly.

Cylinder/Piston Specs and Troubleshooting

Wear limits and common problems for cylinder and piston components.

Cylinder Block & Piston Disassembly/Inspection

Procedures for taking apart and inspecting the cylinder block and piston.

Right Cover, Clutch, and Gearshift Systems

Exploded View: Right Cover, Clutch, Gearshift

Illustrated breakdown of components for these systems.

Clutch Specs, Torque, and Troubleshooting

Technical specifications, tightening torques, and common issues.

Right Cover Extraction and Installation

Step-by-step guide for removing and reinstalling the right engine cover.

Clutch Assembly Service

Procedures for clutch extraction, inspection, and reassembly.

Gearshift Arm and Drive Gear Service

Instructions for servicing the gearshift arm and drive gear components.

Left Cover, Starting Motor, and Magneto

Exploded View: Left Cover, Starting Motor, Magneto

Diagram of components for left cover, starting motor, and magneto.

Left Cover Extraction and Installation

Steps for removing and reinstalling the left engine cover.

Starting Motor System Service

Procedures for extracting and installing the starting motor system.

Magneto Stator Extraction and Installation

Guide for magneto stator removal and installation.

Crankcase Service

Crankshaft Exploded View

Diagram showing crankshaft and related components.

Crankshaft and Drivetrain Specifications

Technical data for crankshaft and drivetrain parts like shafts and gears.

Crankshaft Extraction Procedure

Detailed steps for removing the crankshaft from the crankcase.

Drivetrain Extraction and Check

Procedures for removing and inspecting drivetrain components like shafts and gears.

Bearing Extraction and Installation

Steps for safely removing and installing bearings.

Drivetrain Assembly Instructions

Guide for reassembling the drivetrain components.

Crankshaft Inspection and Checks

Procedures for measuring crankshaft runout and rod clearance.

Crankcase Assembly Procedure

Steps for reassembling the crankcase halves and related parts.

EFI Diagnostic System

EFI System General Info and Precautions

Overview of the EFI system and important safety guidelines.

Diagnostic Tools and Malfunction Codes

Information on required diagnostic tools and common error codes with troubleshooting steps.

Maintenance Based on Performance Issues

Guidance for troubleshooting based on specific motorcycle performance problems.

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