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SHERCO 250 SE-R User Manual

SHERCO 250 SE-R
67 pages
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Table of Contents

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SHERCO 250 SE-R Specifications

General IconGeneral
BrandSHERCO
Model250 SE-R
CategoryMotorcycle
LanguageEnglish

Summary

Foreword

Tools List 250-300 SE

Technical Specification

Engine

Details on engine type, capacity, bore, stroke, cooling, ignition, and oil specifications.

Carburetor

Carburetor type, needle position, jet settings, and air screw adjustments for SE 250 and SE 300.

Cycle Part

Specifications for frame, forks, rear suspension, brakes, tires, and fuel tank capacity.

Standard Adjustment

Fork

Factory and racing settings for compression, rebound, spring stiffness, and fork oil.

Shock Absorber

Factory and racing settings for low/high speed compression, rebound, and spring stiffness.

Operations Requiring Disassembly or Not Engine

Removing / Reinstalling the Engine

Removing the Engine

Step-by-step procedure for safely removing the engine from the motorcycle chassis.

Reassembling the Engine in the Frame

Instructions for reinstalling the engine into the frame, including critical tightening torques.

Dismantling the Engine

Gear Box Drainage

Procedure for draining the gearbox oil by removing drainage plugs.

Removing the pinion and selector

Steps to remove the gearbox output pinion and the selector mechanism.

Removing the cylinder head / the cylinder / the piston

Instructions for disassembling the cylinder head, cylinder, and piston assembly.

Removing the clutch housing

Procedure for removing the engine's clutch housing.

Removing the pressure plate and discs

Steps to remove the clutch pressure plate, springs, and discs.

Remove the electric starter

Instructions for removing the electric starter motor.

Removing the primary transmission

Steps involved in dismantling the primary transmission components.

Removing the torque limiter and the starter drive

Procedure for removing the torque limiter and the starter drive assembly.

Removing the ignition

Steps to remove the ignition system components, including the flywheel and magnetic wheel.

Intake pipe and valve box

Instructions for removing the intake pipe and valve box assembly.

Separate the half crankcases

Procedure for separating the engine's crankcase halves.

Remove the gear selection

Steps to remove the gear selection mechanism, including forks and shafts.

Removing the connecting rod assembly

Instructions for removing the connecting rod assembly from the crankshaft.

Connecting rod assembly

Procedures related to the connecting rod assembly, including bearing replacement.

Checking Engine Components

Balance Weight External Dimensions

Procedure for measuring the external dimensions of the balance weights.

Radial Play of Connecting Rod Head

Method for measuring the radial play in the connecting rod head.

Checking Crankshaft Run Out

Procedure for measuring the lateral play (run out) of the crankshaft.

Piston Checks

Inspection points for used pistons, including skirt, grooves, and retainers.

Gap Spacing Measurement

How to measure the gap spacing of piston rings using a spacer.

Piston Pin Check

Checking the diameter of the piston pin and the piston pin hole.

Cylinder Wear Condition

Method for measuring cylinder bore wear using a bore comparator.

Functional Check

General functional checks on dismantled engine components.

Valve Stop Learning After Cylinder Reassembly

Procedure for the valve stop learning application after cylinder reassembly.

Valve Box Intake Pipe Sleeve

Inspection of the valve box intake pipe sleeve for wear or damage.

Clutch Inspection

Checking clutch components like stopper, rod, springs, and plates for wear.

Gearbox Inspection

Procedures for checking the gearbox components and assembly.

Reassembling the Engine

Assembling the Half Crankcases

Steps for assembling the engine's right and left half crankcases.

Gear Selection Mechanism

Procedure for reassembling the gear selection mechanism, including pins and levers.

Primary Transmission and Clutch

Reassembly steps for the primary transmission, clutch boss, and related components.

Clutch Discs, Pressure Plate

Steps for reinstalling clutch discs, pressure plate, springs, and screws.

Clutch Housing

Procedure for fitting the clutch housing, ensuring correct alignment and lubrication.

Piston and Cylinder

Instructions for reinstalling the piston and cylinder, including gasket placement.

Squish Table

A table providing squish measurements based on piston overrun for gasket selection.

Cylinder Head

Steps for reinstalling the cylinder head, including centering pins and tightening.

Valve Box and Intake Pipe

Procedure for reassembling the valve box and intake pipe with new gaskets.

Gearbox Output Pinion

Instructions for reinstalling the gearbox output pinion, spacer, and safety washer.

Starter Drive Assembly

Steps for reassembling the starter drive, including pinions and retaining triangle.

Mounting the Ignition and its Cover

Procedure for installing the ignition rotor, nut, centering sleeves, and cover.

Mounting the Electric Starter

Steps for installing the electric starter, clutch control rod, and drain plugs.

Synerject Injection System Instruction Manual

Introduction Synerject System

Overview of the Synerject electronic management system.

1.1- Synerject System

Details the components and architecture of the Synerject electronic management system.

1.2- Description Exxodiag Diagnostic Tools

Overview of the Exxodiag diagnostic tools and their reference number.

1.3. Diagnostic Tool Kit Contents

Lists all items included in the diagnostic tool kit for system analysis.

1.4- Installation of the Diagnostic Tool

Step-by-step guide for installing the diagnostic software and necessary drivers.

Software Installation Steps

Sequence of actions for installing the diagnostic software on a computer.

2.2 Software Settings: Configuration Menu

Configuring communication peripheral, language, and unit system settings.

2.3- Update Menu and Synchronization

Procedures for updating and synchronizing the diagnostic software tool.

B-Connect the «MUXDIAG II» Cable

Instructions for connecting the diagnostic interface cable to the computer's USB port.

B- Configuration of Internet Access Parameters

Guide to configuring proxy settings for accessing the internet, if required.

Using the Software

General Navigation

General navigation and vehicle selection within the diagnostic software.

3.1 Identification

Checking vehicle identification details like serial number and calibration.

A. Parameter Measurements

Reading general engine operational parameters such as RPM and temperature.

B. Engine Information

Displaying main engine system values including RPM, temperature, and battery voltage.

3.2 Reading the Default Codes

Procedure to check the system for stored error codes and diagnostic trouble codes.

Default Code Details

Viewing detailed information and context for specific default codes found.

3.3 Erasing Default Codes

Steps to clear stored error codes from the engine control unit.

3.4 Test the Actuators

Performing diagnostic tests on system components like ignition coil, fan, and injectors.

Fan Test Procedure

Executing a standard diagnostic test for the cooling fan.

Exhaust Valve Learning

Process for calibrating the exhaust valve system after component replacement.

3.5 Updating the ECU

Guide to updating the Engine Control Unit with new calibration files for performance.

ECU Update Process

Step-by-step instructions for downloading and applying ECU calibration files.

3.6 Screen Printing Function

Utilizing the screen printing feature for capturing and reporting diagnostic information.

Torques Table

Carburetor Adjustment Table

SE 250-Carburetor Adjustments Table

Carburetor settings for the SE 250 model across various temperature and altitude conditions.

SE 300-Carburetor Adjustments Table

Carburetor settings for the SE 300 model across various temperature and altitude conditions.

Checking the Load Circuit

Static Control Value

Checking static electrical values of the stator windings.

Dynamic Control Values

Checking dynamic electrical values for the voltage regulator and alternator.

T° Sensor, Engine RPM Sensor, High Voltage Coil

Wiring Diagram

Main Harness

Detailed wiring diagram for the motorcycle's main electrical harness.

Standard Lights Harness

Wiring diagram specifically for the standard lighting system.

Racing Lights Harness

Wiring diagram for the racing-specific lighting system.

Accessories Harness

Wiring diagram for the motorcycle's accessory electrical connections.

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