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Vento Phantom R4i User Manual

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VENTO MOTORCYCLES
Rev no.01/ page 1of 84
VENTO MOTORCYCLES
Motorcycle division
Doc.Title :SERVICE MANUAL Phantom R4i
Doc.no(Model code):VS-01-A-4-A
Brand Name :VENTO
Revision Number : 01
Date of release :26.01.2004
Page :1 of 84
PAGE DESCRIPTION PAGE DESCRIPTION
4
GENERAL
INFORMATION
33
Left crankcase Accessories
5
Model
identification 36 Crank case installation
6
Break in
procedures 37 Transmission case installation
7
Precautions &
General
instructions 40 Movable drive face
8 Specifications 45 Valve clearance adjustment procedure
12
PERIODIC
MAINTENANCE
46
Compression Test
13 Storage battery
47 AIR FUEL SYSTEM
15 Spark plug 56 Carburetor Tuning
16 Air cleaner
57 CHASSIS
17 Special tools list 58 Front Wheel assembly
20
Specified torque
values 61 Front fork assembly
21 ENGINE
63 Hydraulic Brake Disc System
24
Gear Ratio
68 ELECTRICAL
25
Engine disassembly
& Assembly
77 TROUBLE SHOOTING
29
Camshaft holder
assembly 77 Engine
31
Piston
installation 79 Carburetor
32
Left crankcase
cover installation 80 Electrical
33
Right crank case
cover Accessories 82 Battery
34
Right crank case
Accessories 84 Brakes
Revision Number Date of Issue Revision Number Date of Issue
1
26.01.2004
Design and Development Dept.

Table of Contents

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Vento Phantom R4i Specifications

General IconGeneral
BrandVento
ModelPhantom R4i
CategoryMotorcycle
LanguageEnglish

Summary

General Information

Model Identification

Locates and describes frame and engine serial numbers.

Fuel and Engine Oil Recommendation

Specifies recommended fuel octane and engine oil grades.

Break-in Procedures

Details engine break-in guidelines for initial operation.

Precautions and General Instructions

Provides essential safety warnings and operational guidelines.

Specifications

Lists key technical specifications for the vehicle.

Periodic Maintenance and Service

Periodic Maintenance Schedule

Outlines recommended intervals for regular service tasks.

Storage Battery Inspection

Covers inspection and checking procedures for the battery.

Spark Plug Maintenance

Details maintenance, cleaning, and gap adjustment for spark plugs.

Air Cleaner Maintenance

Explains cleaning and replacement of the air cleaner filter element.

Special Tools List

Lists necessary tools for motorcycle disassembly and installation.

Specified Torque Values

Lists essential torque specifications for various components.

Engine

Engine Components and Specifications

Details O-rings, oil seals, bearings, and engine dimensions.

Engine Assembly and Procedures

Covers general engine disassembly, assembly, and installation steps.

Piston, Clutch, and Power Transmission

Explains piston installation, clutch operation, and power transmission.

Engine Lubrication and Adjustments

Covers lubrication system, valve clearance, and compression tests.

Air Fuel System

Carburetor Specifications and Curves

Lists carburetor details and displays fuel consumption graph.

Air-Fuel Flow and Mixture Ratios

Explains the air-fuel flow circuit and mixture ratios.

Carburetor Circuits and Tuning

Details carburetor circuits, removal, assembly, and tuning procedures.

Chassis

Vehicle Body Installation and Torque

Covers body installation and torque values for frame/handlebar.

Wheel and Suspension Assembly

Details front/rear wheel, fork, and shock absorber assembly.

Muffler Assembly

Covers the process of assembling the motorcycle's muffler.

Hydraulic Brake System

Details the hydraulic brake system, master cylinder, and caliper.

Electrical

Magneto and Stator Assembly

Describes magneto construction and stator assembly details.

Battery Testing and Charging Circuit

Covers battery testing and checks for the charging circuit.

Ignition System Tests

Provides procedures for testing ignition components and timing.

Lighting and Meter Systems

Covers assembly of headlight, indicators, and speedometer.

Trouble Shooting

Engine Troubleshooting

Lists common engine problems, their causes, and remedies.

Carburetor Troubleshooting

Lists common carburetor issues, causes, and solutions.

Electrical Troubleshooting

Lists common electrical problems, causes, and remedies.

Chassis Troubleshooting

Lists common chassis issues, causes, and solutions.

Brakes Troubleshooting

Lists common brake problems, causes, and remedies.