Table of Contents
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Table of Contents
Related Manuals for Yamaha TT-R125 2007
Summarization of Contents
Important Notice
Safety Information
Essential safety guidelines for operating the machine, including warnings about riding on streets and in buildings.
To the New Owner
Notice
Information regarding potential outdated data due to future model improvements and consulting the dealer for questions.
How to Use This Manual
Particularly Important Information
Explanation of safety alert symbols, warnings, cautions, and notes.
Manual Format
How to Read Descriptions
Guidance on interpreting exploded diagrams, numbered parts, symbols, and job instruction charts.
Chapter 3 Regular Inspection and Adjustments
Periodic Maintenance Chart for the Emission Control System
Chart detailing periodic maintenance for the emission control system.
General Maintenance and Lubrication Chart
Chart outlining general maintenance and lubrication schedules.
Pre-Operation Inspection and Maintenance
Procedures for checks before operation and basic maintenance tasks.
Engine
Maintenance and inspection items related to the engine.
Chassis
Maintenance and inspection items related to the chassis components.
Electrical
Maintenance and inspection items related to the electrical system.
Chapter 5 Chassis
Front Wheel and Front Brake
Procedures for removing and inspecting the front wheel and brake system.
Chapter 6 Electrical
Electrical Components and Wiring Diagram
Diagrams and lists of electrical components and their wiring.
General Information
Description
Identification and overview of the motorcycle's main parts and controls.
Machine Identification
Key Identification Number (TT-R125E/TT-R125LWE)
Location and use of the key identification number for ordering new keys.
Vehicle Identification Number
Location of the vehicle identification number stamped on the steering head pipe.
Engine Serial Number
Location of the engine serial number stamped on the engine's right side.
Model Label
Location of the model label affixed to the frame under the rider's seat.
Important Information
Preparation for Removal and Disassembly
Instructions for preparing the machine before removal and disassembly, including cleaning and tool usage.
All Replacement Parts
Gaskets, Oil Seals and O-Rings
Guidelines for replacing gaskets, oil seals, and O-rings during engine overhaul.
Lock Washers/Plates and Cotter Pins
Instructions on replacing lock washers/plates and cotter pins after removal.
Bearings and Oil Seals
Procedures for installing bearings and oil seals, including proper orientation and lubrication.
Circlips
Inspection and replacement guidelines for circlips, including piston pin clips.
Control Functions
Main Switch (TT-R125E/TT-R125LWE)
Explanation of the functions of the main switch positions (ON/OFF).
Engine Stop Switch
Location and operation of the engine stop switch.
Start Switch (TT-R125E/TT-R125LWE)
Location and operation of the start switch for cranking the engine.
Clutch Lever
Location and function of the clutch lever for engaging/disengaging the clutch.
Shift Pedal
Description of the 5-speed transmission and operation of the shift pedal.
Starting and Break-in
Starting a Cold Engine
Step-by-step instructions for starting a cold engine for TT-R125/TT-R125LW and TT-R125E/TT-R125LWE models.
Starting a Warm Engine
Procedure for starting a warm engine without using the starter knob (choke).
Break-in
Important procedures for initial operation to ensure optimum performance and avoid engine damage.
Torque-Check Points
TT-R125/TT-R125E
Torque specifications for various parts specific to TT-R125 and TT-R125E models.
TT-R125LW/TT-R125LWE
Torque specifications for various parts specific to TT-R125LW and TT-R125LWE models.
General Specifications
TT-R125/TT-R125E
General specifications for TT-R125 and TT-R125E models, including dimensions, weight, and engine details.
TT-R125LW/TT-R125LWE
General specifications for TT-R125LW and TT-R125LWE models, including dimensions, weight, and engine details.
Maintenance Specifications
Engine
Specifications for engine components including cylinder head, cylinder, and camshaft.
Lubrication system
Specifications related to the lubrication system, including oil filter and pump details.
Chassis
Steering system
Specifications for the steering system, including bearings and dimensions.
Front suspension
Specifications for the front suspension, including fork travel and spring rates.
Rear suspension
Specifications for the rear suspension, including shock absorber travel and spring rates.
Wheel
Specifications for the wheels, including type, size, and rim runout limits.
Drive chain
Specifications for the drive chain, including type, number of links, and slack.
Electrical
CDI
Specifications for the CDI unit, including model and resistance values.
Ignition coil
Specifications for the ignition coil, including model and resistance values.
Spark plug cap
Specifications for the spark plug cap, including type and resistance.
Charging system
Specifications for the charging system, including type, model, output, and resistance.
Rectifier/regulator
Specifications for the rectifier/regulator, including type and model.
Electric starting system
Specifications for the electric starting system, including type, starter motor, and output.
Engine
Cylinder head
Specifications for the cylinder head, including warp limit.
Cylinder
Specifications for the cylinder, including bore size and out-of-round limit.
Camshaft
Specifications for the camshaft, including drive method, cam dimensions, and runout limit.
Drive Chain
Chain slack
Procedure for checking and adjusting drive chain slack, alignment, and condition.
Front Brake
Brake disc
Measurement of brake disc deflection and thickness.
Brake caliper piston seal kit
Procedure for removing, cleaning, and installing brake caliper piston seals and dust seals.
Brake master cylinder
Inspection of the brake master cylinder, including inner surface, piston, and cup.
Rear Brake
Drum brake
Inspection of drum brake components, including lining thickness and inner diameter.
Handlebar
Throttle Grip Assembly Disassembly
Step-by-step instructions for disassembling the throttle grip assembly.
Handlebar
Inspection and installation of the handlebar and related components.
Front Fork
Front Fork Removal
Procedure for removing the front fork assembly.
Handlebar
Handlebar removal instructions.
Steering
Lower Bracket Removal
Procedure for removing the lower bracket.
Bearing Removal
Procedure for removing the wheel bearings.
Swingarm
Swingarm Removal
Procedure for removing the swingarm assembly.
Rear Shock Absorber Assembly
Rear Shock Absorber Assembly Removal
Procedure for removing the rear shock absorber assembly.
Electric Starting System (TT-R125E/TT-R125LWE)
Starter Motor Operation
Conditions under which the starter motor can operate.
Starting Circuit Cut-Off Relay Inspection
Inspection procedure for the starting circuit cut-off relay.
Ignition System
Spark Gap Test
Steps for checking the spark gap and testing ignition system for failure.
Couplers and Leads Connection Inspection
Inspection of couplers and leads for rust, dust, looseness, or short-circuit.
Main Switch Inspection
Inspection of the main switch continuity.
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