EasyManua.ls Logo

Sym Symply50 User Manual

Sym Symply50
176 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #138 background imageLoading...
Page #138 background image
SYM 13. BRAKE
13-11
DRUM BRAKE-DRUM
Brake Drum
Removal
Use a vacuum cleaner and other suitable
tools to clean the brake parts to minimize
the hazard caused by the dust.
Caution
Remove wheel. Remove brake drum from
wheel hub.
Inspection
Check the brake drum for wear and damage,
replace wheel hub if necessary
Measure the ID of hub at several points and
record the largest value.
Service limit : 131.0 mm
Caution
BRAKE PAD
Inspection
Measure the thickness of the brake pad at
three points (both ends and center).
If the thickness is less than specified, or if it is
contaminated by oil or grease, replace as a
set.
Service limit : Front 2.0 mm
Rear 2.0mm
•Inhaling dust may cause respiration
system disorder even cancer. Never
use an air hose or a dry brush as to
clean the brake parts.
•Grease on brake pad will reduce
braking efficiency.
•Remove the rust by using #120 sand
paper.
•An inside micrometer must be used
when measuring ID of brake drum
because the brake drum has a friction
back plate.
Rear brake drum
Front brake drum
Brake
pad
Front
Brake pad

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Sym Symply50 and is the answer not in the manual?

Sym Symply50 Specifications

General IconGeneral
BrandSym
ModelSymply50
CategoryScooter
LanguageEnglish

Summary

General Information and Trouble Diagnosis

Symbols and Marks

Explains symbols and marks used in the manual for service indications.

General Safety

Provides essential safety precautions for operating and maintaining the motorcycle.

Service Precautions

Details critical precautions for servicing to prevent damage and ensure safety.

Specifications

Lists technical specifications for the motorcycle model.

Trouble Diagnosis

Guides users through diagnosing and resolving common engine and system issues.

Maintenance Information

Precautions in Operation

Safety and operational guidelines before performing maintenance tasks.

Periodical Maintenance Schedule

Outlines regular maintenance checks and replacements based on mileage or time.

Lubrication System

Details engine oil and gear oil checks, replacement, and lubrication points.

Fuel System

Covers maintenance procedures for the fuel pipes and fuel filter.

Brake Systems

Covers front disc and rear drum brake system inspections and maintenance.

Wheel and Tire

Guidance on checking and maintaining tire pressure and tread depth.

Battery

Procedures for battery removal, installation, and maintenance.

Lubrication System

Operational Precautions

General information and precautions for engine oil and gear oil.

Engine Oil

Procedures for checking and replacing engine oil and cleaning the oil strainer.

Oil Pump

Details on oil pump removal, inspection, and re-assembly.

Gear Oil

Procedures for checking and replacing gear oil.

Fuel System

Precautions in Operation

Safety warnings and cautions for working with the fuel system.

Trouble Diagnosis

Lists common fuel system issues and their probable causes.

Carburetor Removal

Step-by-step instructions for removing the carburetor assembly.

Float Chamber

Procedures for disassembling, checking, and cleaning the float chamber.

Fuel Tank

Instructions for removing and installing the fuel tank unit.

Air Cleaner

Guidance on removing, cleaning, and installing the air cleaner element.

Removal of Engine

Operational Precautions

Key precautions for supporting the engine during removal.

Engine Removal

Detailed steps for removing the engine from the motorcycle chassis.

Installation of Engine

Procedures for reinstalling the engine, including bushing checks.

Cylinder Head/Valve

Precautions in Operation

Important notes for cylinder head, valve, and camshaft service.

Trouble Shooting

Diagnosing issues related to rough idle, low compression, and noise.

Camshaft Removal

Step-by-step instructions for removing the camshaft assembly.

Cylinder Head Removal

Detailed procedure for removing the cylinder head.

Cylinder Head Installation

Instructions for correctly installing the cylinder head.

Cylinder/Piston

Precautions in Operation

Key safety and service precautions for cylinder and piston work.

Trouble Diagnosis

Common issues like low compression, knock, and smoke.

Cylinder Removal

Procedure for removing the cylinder from the engine.

Piston Ring Installation

Guidelines for correctly installing piston rings into their grooves.

V-Belt Driving System/Kick Starter Arm/Starter Clutch

Maintenance Description

Overview of parts that can be serviced and general precautions.

Trouble Diagnosis

Common problems related to the driving system, clutch, and pulleys.

Driving Belt

Instructions for removing, inspecting, and replacing the drive belt.

Clutch/Driven Pulley

Procedures for disassembling, inspecting, and replacing clutch and driven pulley parts.

Final Driving Mechanism

Operational Precautions

Precautions and specifications for gear oil and tools.

Trouble Diagnosis

Common issues like gear oil leaks, noise, and inability to move.

Disassembly and Inspection

Steps for disassembling and inspecting the final drive mechanism components.

Bearing Replacement

Instructions for removing and installing bearings in the gear box.

A.C. Generator

Precautions in Operation

General information and torque values for A.C. generator service.

A.C. Generator Removal

Step-by-step guide for removing the A.C. generator components.

Right Crankcase Cover

Procedures for removing and installing the right crankcase cover.

Flywheel Installation

Instructions for installing the flywheel onto the crankshaft.

Crankcase/Crankshaft

Operational Precautions

General information and precautions for crankcase disassembly.

Trouble Diagnosis

Diagnosing engine noise issues related to bearings and pins.

Disassembly of Crankcase

Step-by-step instructions for separating the crankcase halves.

Crankshaft Inspection

Procedures for inspecting crankshaft clearance and run-out.

Assembly of Crankcase

Instructions for assembling the crankcase halves and installing components.

Body Cover

Maintenance Information

Overview of body cover components and disassembly sequence.

Body Covers Disassemble Sequence

Flowchart illustrating the order of body cover removal and reassembly.

Handle Cover

Instructions for removing and installing the handle cover assembly.

Front Cover

Steps for removing and installing the front cover.

Body Cover/Rear Center Cover/Rear Fender

Procedures for removing and installing rear body panels.

Brake

Maintenance Information

Precautions, specifications, and torque values for brake systems.

Trouble Diagnosis

Common issues for disc and drum brakes, including noise and performance.

Hydraulic Brake System Inspection

Visual inspection of brake fluid, hoses, and pads.

Brake Fluid Replacement/Air-Bleed

Procedure for replacing brake fluid and bleeding the hydraulic system.

Brake Caliper

Instructions for removing, replacing pads, and installing the brake caliper.

Brake Master Cylinder

Procedure for removing, inspecting, and assembling the master cylinder.

Drum Brake System

Maintenance procedures for the drum brake, including drum and pad inspection.

Steering/Front Wheel/Front Shock Absorber

Precautions in Operation

Safety precautions before removing the front wheel.

Trouble Diagnosis

Common steering and suspension issues like wobbling and noise.

Steering Handle

Instructions for removing and installing the steering handle components.

Front Wheel

Procedure for removing and installing the front wheel.

Front Shock Absorber

Steps for removing and installing the front shock absorbers.

Front Fork/Steering Column

Procedure for removing and installing the steering column assembly.

Rear Wheel/Rear Shock Absorber

Precautions in Operation

General information and precautions for wheel and shock absorber service.

Trouble Diagnosis

Common issues like rear wheel wobbling and shock absorber problems.

Rear Wheel

Instructions for removing and inspecting the rear wheel.

Rear Shock Absorber

Procedures for removing and installing the rear shock absorber.

Electrical Equipment

Precautions in Operation

Safety guidelines for electrical system maintenance.

Trouble Diagnosis

Common electrical system problems and troubleshooting steps.

Charging System

Procedures for inspecting and testing the charging system components.

Ignition System

Diagnosing and testing the ignition system components.

Starting System

Procedures for inspecting and removing the starting system components.

Lights and Bulbs

Instructions for replacing headlight, turn signal, and tail light bulbs.

Related product manuals