Table of Contents
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Table of Contents
Related Manuals for TM RACING 300 MX
Summarization of Contents
Foreword and Introduction
Coolant Liquid Safety Precautions
Safety guidelines for handling and disposing of coolant liquid.
Engine Oil and Gearbox Oil Safety
Safety precautions for handling engine and gearbox oils.
General Repair Recommendations
Advice for performing motorcycle repairs effectively and safely.
Motorcycle Model Identification
Understanding TM Motorcycle Codes
Explains codes for displacement, power source, and type of use.
Engine and Frame Serial Numbers
Locating engine and frame serial numbers for identification.
Technical Specifications
250-300 MX SMX Engine Data
Detailed technical data for 250-300cc MX and SMX engines.
250-300 EN-SMR Engine Data
Technical specifications for 250-300cc EN and SMR engines.
Carburettor Settings (MX-SMX)
Specific settings for Keihin carburetors on MX-SMX models.
Maintenance and Troubleshooting
Engine Tightening Torques
List of specific torque values for engine components.
Lubrication Specifications
Recommended oils and fluids for various engine systems.
Maintenance Schedule Overview
Table detailing maintenance tasks and recommended intervals.
Troubleshooting Engine Issues
Diagnosing and resolving common engine starting, stopping, and noise problems.
Adjustments and Replacements
Engine Oil and Filter Change Procedure
Step-by-step guide to changing engine oil and filter.
Standard Clutch Replacement Guide
Detailed instructions for clutch pack removal and reassembly.
Engine Disassembly Procedures
Engine Component Layout Diagrams
Identification of major engine parts for MX-SMX and EN-SMR models.
Pinion Cover and Pinion Removal
Steps for removing the engine pinion cover and pinion.
Head and Temperature Sensor Removal
Procedure for removing the cylinder head and temperature sensor.
Injector Disassembly and Reassembly
Instructions for removing and reinstalling engine injectors.
Cylinder and Piston Service
Cylinder and Piston Removal
Detailed steps for removing the cylinder and piston assembly.
Piston Ring Replacement and Mounting
Guide to replacing and correctly installing piston rings.
Piston Replacement Procedures
Methods for replacing pistons with intact or to-be-machined cylinders.
Cylinder and Piston Re-mounting
Steps for reassembling the cylinder and piston.
Cylinder Head and Valve Service
Checking and Adjusting the Squish
Procedure for measuring and adjusting the squish clearance.
Drain Valve Removal and Revision
Steps for removing and inspecting drain valve components.
Valve Height Adjustment
Procedure for adjusting the valve height in the closed position.
Reed Valve Pack Service
Reed Valve Pack Inspection
Checking reed valve pack blades, fittings, and gaskets.
Reed Valve Pack Disassembly
Detailed steps for disassembling the reed valve pack.
Clutch and Gear Sensor Systems
Clutch Actuator Removal and Dismantling
Procedure for removing and taking apart the clutch actuator.
Gear Sensor Removal Procedure
Steps for removing the gear sensor.
Flywheel Assembly Service
Flywheel Cover Removal
Steps for removing the engine's flywheel cover.
Stator, Pick-up, and Rotor Service
Procedures for removing and installing stator, pick-up, and rotor.
Rotor Re-mounting
Instructions for correctly re-mounting the engine rotor.
Starter Motor Service
Starter Motor Disassembly
Steps for removing the starter motor and its components.
Starter Motor Re-mounting
Procedure for reinstalling the starter motor.
Water Pump Service
Replacing the Water Pump Sealing Gasket
Procedure for replacing the water pump's sealing gasket.
Water Pump Removal and Reassembly
Steps for removing and reassembling the water pump.
Transmission Guard and Kick Starter
Transmission Guard Removal
Procedure for removing the engine's transmission guard.
Transmission Cover Re-assembly
Steps for cleaning and reassembling the transmission cover.
Idle Kick Starter Removal and Service
Procedure for removing and servicing the idle kick starter.
Clutch Bell and Gearbox Components
Drum and Clutch Bell Disassembly
Procedure for disassembling the drum and clutch bell.
Drum and Clutch Bell Re-mounting
Steps for correctly reassembling the drum and clutch bell.
Transmission Side Counter Gears Removal
Procedure for removing transmission side counter gears.
Transmission Gears Reassembly
Steps for reassembling transmission side counter gears.
Gearbox Control Shaft and Semicase
Gearbox Control Shaft and Ratchets Removal
Procedure for removing gearbox control shaft and ratchet components.
Gearbox Control Shaft and Ratchets Reassembly
Steps for reassembling gearbox control shaft and ratchets.
Semicase Opening Procedure
Procedure for opening the engine's split crankcases.
Semicase Re-assembly
Steps for cleaning and reassembling the split crankcases.
Crankshaft and Gearbox Assembly
Crankshaft, Gearbox, Gears Drum Layout
Identification of crankshaft, gearbox shafts, and gear selector drum.
Crankshaft and Gear Shafts Removal
Procedures for removing crankshaft and gearbox shafts.
Secondary Shaft Gear Sequence
Diagram and listing of gear sequence for the secondary shaft.
Bearings Replacement Procedure
Steps for replacing bearings in the engine crankcase.
Gearbox Component Re-mounting
Gearbox Component Re-mounting
Instructions for reassembling gearbox components, including forks.
Gearbox Unit Re-mounting Details
Correct positioning of forks and re-mounting the gearbox unit.
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