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Yamaha Sniper User Manual

Yamaha Sniper
349 pages
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T135 SERVICE MANUAL
5YP-F8197-E0
T135SE
T135S
Sniper / Jupiter MX / Spark 135 / Exciter / 135LC
Manual Clutch and Automatic
http://www.motorcycle.in.th

Table of Contents

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Yamaha Sniper Specifications

General IconGeneral
Engine TypeLiquid-cooled, 4-stroke, SOHC, 4-valve
Bore x Stroke57.0 mm x 58.7 mm
Compression Ratio10.4 : 1
Fuel SystemFuel Injection
Front SuspensionTelescopic fork
Wheelbase1, 290 mm
IgnitionTCI (Transistor Controlled Ignition)
Front BrakeHydraulic single disc
Fuel Capacity4.2 liters
Weight115 kg (depending on the version)

Summary

Chapter 1 General Information

Vehicle Identification

Details on identifying the vehicle's VIN and engine serial number.

Important Information

Explains the meaning of safety alerts, warnings, and cautions used in the manual.

Checking the Connections

Step-by-step guide on inspecting electrical connectors for corrosion and proper seating.

Special Tools

Lists and illustrates specialized tools required for service procedures.

Chapter 2 Specifications

General Specifications

Provides overall dimensions, weight, engine type, displacement, bore, stroke, and fuel capacity.

Maintenance Specifications

Lists specifications for engine components like cylinder head, camshaft, valves, and piston rings.

Tightening Torques (Engine)

Specifies correct torque values for engine bolts and nuts to ensure proper assembly.

Tightening Torques (Chassis)

Provides correct torque values for chassis components to ensure safe assembly and operation.

Lubrication Points and Lubricant Types (Engine)

Details specific points requiring lubrication and the recommended lubricant for engine parts.

Cable Routing

Illustrates the correct paths for routing electrical wires, cables, and hoses for optimal performance.

Chapter 3 Periodic Checks and Adjustments

Introduction

Overview of the chapter's purpose and scope for preventive maintenance procedures.

Periodic Maintenance and Lubrication Intervals

Outlines recommended service intervals and tasks based on odometer readings and annual checks.

Covers

Provides procedures for removing and installing various body panels and fairings.

Engine (Checks and Adjustments)

Covers checks and adjustments for engine oil, valve clearance, spark plug, and cooling system.

Chassis (Checks and Adjustments)

Details checks and adjustments for brakes, tires, chain slack, steering head, and suspension components.

Electrical System (Checks and Adjustments)

Covers checks and maintenance for battery, fuses, lights, switches, and ignition system components.

Chapter 4 Engine

Removing the Engine

Step-by-step instructions for safely removing the engine assembly from the vehicle frame.

Installing the Engine

Instructions for correctly mounting the engine assembly back into the vehicle frame.

Cylinder Head

Covers removal, inspection, and installation of the cylinder head and its related parts.

Camshaft

Details the removal, checking, and installation procedures for the camshaft and rocker arms.

Valves and Valve Springs

Explains valve sealing checks, measuring valve/guide clearance, and installing valves and springs.

Cylinder and Piston

Covers removal, checking, and installation of the cylinder, piston, rings, and related components.

Generator and Starter Clutch

Explains the components, removal, checking, and installation of the generator and starter clutch assembly.

Oil Pump

Details the removal, disassembly, checking, assembly, and installation of the oil pump.

Clutch

Covers removal, checking, and installation of clutch components like plates, springs, and housing.

Shift Shaft

Explains the removal, checking, and installation of the shift shaft, forks, and related transmission parts.

Crankcase and Crankshaft

Details disassembly of crankcase, checking crankshaft, connecting rod, and bearings for wear.

Kickstarter

Covers removal, checking, and installation of the kickstarter mechanism and its components.

Transmission

Explains removal, disassembly, checking, and installation of transmission gears, shafts, and forks.

Chapter 5 Cooling System

Radiator

Details the radiator assembly, its related parts, and checks for leaks or damage.

Water Pump

Covers the water pump assembly, its components, and disassembly/assembly procedures.

Removing the Radiator

Step-by-step guide for safely removing the radiator assembly from the vehicle.

Checking the Radiator

Instructions for inspecting radiator fins, hoses, pipes, and the cap for proper operation.

Checking the Thermostat

Explains how to test the thermostat's function by checking its opening temperature and housing.

Disassembling the Water Pump

Steps for taking apart the water pump to access its internal components for inspection.

Checking the Water Pump

Details how to inspect the water pump cover, housing, impeller, seals, and bearings for wear.

Assembling the Water Pump

Steps for correctly reassembling the water pump after inspection or replacement of parts.

Installing the Thermostat

Steps for correctly installing the thermostat and its housing into the engine.

Installing the Water Pump

Instructions for correctly installing the water pump assembly onto the engine.

Installing the Radiator

Steps for correctly installing the radiator assembly back onto the vehicle.

Chapter 6 Carburetor

Carburetor

Illustrated breakdown of the carburetor assembly and its individual parts for identification.

Removing the Carburetor

Step-by-step guide for safely removing the carburetor from the engine.

Disassembling the Carburetor

Instructions for dismantling the carburetor to access its internal components for cleaning and inspection.

Checking the Carburetor

Covers inspection of the carburetor body, float chamber, fuel passages, jets, and throttle valve.

Assembling the Carburetor

Steps for correctly reassembling the carburetor after cleaning or parts replacement.

Installing the Carburetor

Instructions for correctly mounting the carburetor assembly back onto the engine.

Checking and Adjusting the Throttle Position Sensor

Details how to check and adjust the throttle position sensor's electrical resistance and angle.

Checking the Fuelcock Operation

Procedure for verifying the fuel cock's proper function to ensure fuel supply to the carburetor.

Air Induction System

Explains the function of the air injection system and the air cut-off valve for emission control.

Chapter 7 Chassis

Front Wheel and Brake Disc

Covers removal, checking, and installation of the front wheel, axle, brake disc, and bearings.

Rear Wheel and Brake

Details removal, disassembly, checking, and installation of the rear wheel and brake system components.

Front Brake

Covers caliper, pads, hoses, and master cylinder checks, replacement, and bleeding procedures.

Front Fork

Explains removal, disassembly, checking, assembly, and installation of the front fork legs.

Handlebar

Covers removal, checking, installation, and adjustment of the handlebar, grips, levers, and controls.

Steering Head

Details removal, checking, and installation of steering head bearings and related components.

Rear Shock Absorber Assembly and Swingarm

Covers removal, checking, and installation of the rear shock absorbers and swingarm assembly.

Drive Chain and Sprockets

Details removal, checking, cleaning, lubrication, and installation of the drive chain and sprockets.

Chapter 8 Electrical System

Electrical Components

Illustrated layout of major electrical components like battery, ignition coil, switches, and relays.

Checking Switch Continuity

Explains how to test electrical switches for continuity using a pocket tester.

Checking the Switches

Covers checking switches for damage, wear, proper connections, and continuity.

Checking the Bulbs and Bulb Sockets

Details how to check bulbs and sockets for damage, wear, connections, and continuity.

Ignition System

Explains the ignition system circuit diagram and troubleshooting steps for spark issues.

Electric Starting System (T135SE)

Covers the circuit diagram and troubleshooting for the electric starting system, including battery and starter motor.

Starter Motor (T135SE)

Details removal, disassembly, checking, assembly, and installation of the starter motor.

Charging System

Explains the charging system circuit diagram and troubleshooting for battery charging issues.

Lighting System

Covers circuit diagrams and troubleshooting for headlights, taillights, turn signals, and indicators.

Signaling System

Explains circuit diagrams and troubleshooting for the horn, turn signals, brake lights, and gear indicators.

Cooling System (Electrical)

Provides the circuit diagram and troubleshooting for the cooling fan motor and thermo sensor.

Self-Diagnosis

Explains the vehicle's self-diagnostic system for TPS and Thermo sensor fault codes.

Chapter 9 Troubleshooting

Electrical System Troubleshooting

Troubleshooting guide for common electrical system problems like no spark or faulty components.

Compression System Troubleshooting

Identifies potential causes for compression loss in the engine, such as wear or improper torque.

Intake and Exhaust System Troubleshooting

Troubleshooting guide for fuel system and exhaust components like fuelcock, carburetor, and silencer.

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