Table of Contents
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Table of Contents
Related Manuals for SHERCO 250 SE FACTORY
Summarization of Contents
Technical Specification
Engine
Technical details of the engine, including type, capacity, bore/stroke, and oil.
Carburetor
Specifications for the carburetor, including type, jets, and air screw settings.
Standard Adjustment
Fork
Detailed factory and racing settings for fork compression, rebound, preload, and oil.
Removing / Reistalling the Engine
Removing the Engine
Step-by-step guide to safely detach and remove the engine from the motorcycle chassis.
Reassembling the Engine in the Frame
Instructions for reinstalling the engine into the motorcycle frame, including essential 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 selector mechanism.
Removing the cylinder head / the cylinder / the piston
Instructions for removing the cylinder head, cylinder, and piston assembly from the engine.
Removing the clutch housing
Procedure for detaching and removing the clutch housing from the engine.
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 unit from the engine.
Removing the primary transmission
Steps to remove the primary transmission components, including nuts and washers.
Removing the torque limiter and the starter drive
Procedure for removing the torque limiter and starter drive components.
Removing the ignition
Steps to remove the ignition system components, including the flywheel and magnetic wheel.
Intake pipe and valve box
Procedure for removing the intake pipe and valve box assembly.
Remove the gear selection
Steps to remove the gear selection mechanism, including forks and shafts.
Removing the connecting rod assembly
Procedure for removing the connecting rod assembly from the crankshaft.
Connecting rod assembly
Steps for working with the connecting rod assembly, including bearing replacement.
Checking Engine Components
Balance weight, checking the external dimensions
Method for measuring the external dimensions of the balance weights.
Radial play of the connecting rod head
How to check the radial play in the connecting rod head using a dial gauge.
Checking the crankshaft run out
Procedure for measuring the lateral play (run out) of the connecting rod head.
Piston
Guidelines for inspecting a used piston for wear and damage.
Gap spacing
Method for measuring the piston ring gap spacing within the cylinder.
Piston pin check
How to check the piston pin diameter and the hole diameter in the piston.
Checking the wear condition of the cylinder
Procedure to measure cylinder bore for wear and ovality.
Functional check
Performing functional checks on dismantled engine parts, especially the exhaust valve.
Valve stop learning after cylinder reassembly
Procedure for valve stop learning after cylinder work, requiring diagnostic tool.
Valve box intake pipe sleeve
Inspecting the valve box intake pipe sleeve for wear or damage.
Clutch
Inspection of clutch components, including plates, springs, and discs, for wear.
Gearbox
Procedure for assembling the gearbox, including shaft and fork placement.
Reassembling the Engine
Assembling the half crankcases
Procedure for joining the two engine crankcase halves, ensuring proper alignment.
Gear selection mechanism
Steps for reassembling the gear selection mechanism, including springs and pins.
Primary transmission and clutch
Reassembly of the primary transmission and clutch components, including nuts and washers.
Clutch discs, pressure plate
Reassembly of the clutch discs and pressure plate, with specific tightening instructions.
Clutch housing
Procedure for installing the clutch housing, ensuring proper alignment with the water pump.
Piston and cylinder
Reassembly of the piston and cylinder, including gasket placement and tightening.
Squish table
Table for determining correct gasket thickness based on piston overrun measurements.
Cylinder head
Steps for installing the cylinder head, including centering pins and tightening procedures.
Valve box and intake pipe
Reassembly of the valve box and intake pipe with new gaskets.
Gearbox output pinion
Installation of the gearbox output pinion, including spacer, washer, and nut.
Starter drive assembly
Procedure for installing the starter drive assembly and its retaining components.
Mounting the ignition and its cover
Steps for mounting the ignition rotor, nut, and cover with a new gasket.
Mounting the electric starter
Installation of the electric starter, clutch control rod, and drain plugs.
Synerject Injection System Instruction Manual
Introduction Synerject System
Overview of the Synerject electronic management system components.
1.1- Synerject System
Identification of the main components of the Synerject system, like controller and sensors.
1.2- Description Exxodiag Diagnostic Tools Référence 4967
Description of the Exxodiag diagnostic tool kit and its components.
1.3. Diagnostic Tool Kit Contents.
Listing of all items included in the diagnostic tool kit.
1.4- Installation of the Diagnostic Tool
Step-by-step guide for installing the diagnostic software and drivers.
Using the Software
General
Initial steps for connecting and selecting the vehicle within the software.
3.1 Identification
How to check vehicle identification details like serial number and calibration.
A. Parameter Measurements
Reading general engine parameters like RPM, temperature, and voltage.
B. Engine Information
Displaying key engine system values and operating data.
3.2 Reading the Default Codes
Procedure to read and interpret engine fault codes using the diagnostic tool.
3.3 Erasing Default Codes
Steps to clear fault codes from the engine control unit after diagnosis.
3.4 Test the Actuators
Performing tests on engine actuators like ignition coil, fuel pump, and fan.
3.5 Updating the ECU
Guide to updating the engine control unit (ECU) with new calibration files.
2- Power Up the Motorcycle
Steps to power up the motorcycle correctly for ECU updates.
3- Click on the Computer Update
Initiating the ECU update process from the computer.
3.6 Screen Printing Function
Using the screen printing function to capture and save diagnostic information.
Carburetor Adjustment Table
SE 250-Carburetor Adjustments Table
Specific carburetor adjustment values for the SE 250 model across various conditions.
SE 300-Carburetor Adjustments Table
Specific carburetor adjustment values for the SE 300 model across various conditions.
Checking the Load Circuit
Static control value
Measuring static resistance values of stator windings.
Dynamic control values
Checking dynamic voltage regulator and alternator output values.
Wiring Diagram
Main harness
Diagram of the primary electrical wiring harness connecting major components.
Standard lights harness
Wiring diagram for the standard lighting system.
Racing lights harness
Wiring diagram for the racing-specific lighting system.
Accessories harness
Wiring diagram for optional accessories and their connections.
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