TM RACING SMM Series Workshop Manual

4 stroke engine

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Workshop Manual
4 STROKE ENGINE
250-300
Mx - En - SMx
SMr - SMM - 2016
www.tmracing.it

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Table of Contents
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Summarization of Contents

Foreword and General Guidelines
Coolant and Oil Safety Precautions
Safety warnings and disposal guidelines for coolant and engine oil.
Workshop and Repair Guidelines
Useful advice and general regulations for performing repairs.
Motorcycle Model Recognition
Understanding Motorcycle Model Codes
Explains displacement, power source, and type of use codes for models.
Engine Serial Number Location
Details on finding and recording the engine serial number.
Engine Technical Specifications
250Fi/300Fi EN EU4 Engine Data
Detailed technical specifications for 250cc and 300cc engines.
Maintenance Schedule and Procedures
Maintenance Table Overview
Summarizes maintenance tasks and their intervals (after 1 hour, every 15 hours, etc.).
Maintenance Component Warnings
Important warnings regarding component replacement and authorized personnel.
Troubleshooting Guide
Engine Starting, Stalling, and Noise Issues
Diagnoses causes for engine starting problems, stalling, and noises.
Crankshaft, Clutch, and Gearbox Noise
Addresses noises from crankshaft, clutch, and gearbox components.
Overheating, Gear Engagement, and Electric System Issues
Covers engine overheating, gear engagement, and electric system problems.
Adjustments and Replacements
Adjusting Valve Play (Cold Engine)
Procedure for checking and adjusting valve clearance when the engine is cold.
Camshaft Re-mounting Procedure
Step-by-step instructions for re-mounting camshafts.
Engine Oil and Filter Replacement
Guide to changing engine oil and oil filter.
Standard Clutch Replacement
Detailed steps for replacing the standard clutch assembly.
Slipper Clutch Replacement Procedures
Covers disc pack removal and disc replacement for slipper clutch.
Engine Disassembly Procedures
Engine Components Identification
Labels and identification of major engine components.
Cylinder Head Procedures
Covers head removal, dismantling, re-assembly and re-mounting.
Cylinder and Piston Procedures
Covers removal, coupling check, and re-mounting of cylinder and piston.
Engine Compression Check
Procedure and specifications for checking engine compression.
Ancillary Component Removal and Replacement
Covers temp sensor, clutch actuator, gear sensor.
Flywheel, Stator, Pick-up, and Rotor Procedures
Covers removal/re-mounting of flywheel cover, stator, pick-up, and rotor.
Starter Motor Procedures
Covers starter motor disassembly and re-mounting.
Water Pump and Transmission Guard Procedures
Covers water pump, transmission guard, and related seals/bearings.
Kick Starter and Drum/Clutch Bell Procedures
Covers kick starter removal/re-mounting and drum/clutch bell disassembly/re-mounting.
Gear Train Component Procedures
Covers counter gears, crankshaft gear, oil pump, gearbox shafts, ratchet-holder gear.
Semicase and Gearbox Component Procedures
Covers semicase opening/re-assembly and gearbox internal components.

Table of Contents