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SHERCO 250 SE-R 2017 User Manual

SHERCO 250 SE-R 2017
54 pages
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MANUEL D’ATELIER I WORKSHOP MANUAL I MANUAL DE TALLER

Table of Contents

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SHERCO 250 SE-R 2017 Specifications

General IconGeneral
Engine TypeSingle-cylinder, 4-stroke
Fuel SystemElectronic Fuel Injection
Transmission6-speed
Rear SuspensionMonoshock
Front Tire90/90-21
Rear Tire140/80-18
Compression Ratio12.5:1
Power30 hp
Cooling SystemLiquid-cooled
Front Suspension48 mm
Front BrakeSingle disc, 260 mm
Rear BrakeSingle disc, 220 mm

Summary

Engine Specifications

Engine Technical Data

Specifications for engine type, displacement, bore/stroke, fuel, cooling, ignition, spark plug, piston, oil, transmission, clutch, starter, battery, and alternator.

Chassis Specifications

Factory Settings

Front Fork Factory Settings (SACHS)

Factory settings for SACHS USD Series front forks including compression, rebound, spring stiffness, and oil.

Front Fork Factory Settings (WP)

Factory settings for WP USD Series front forks including compression, rebound, preload, spring stiffness, and oil.

Rear Fork Factory Settings (WP)

Factory settings for WP rear suspension unit including compression, rebound damping, and spring stiffness.

Removing and Installing the Engine

Engine Removal Procedure

Detailed steps and cautions for removing the engine from the motorcycle frame.

Engine Reinstallation Procedure

Steps and cautions for reinstalling the engine, including critical cable tension adjustments.

Engine Disassembly

Removing Cylinder Head, Cylinder, and Piston

Detailed steps for removing the cylinder head, cylinder, piston, and related components.

Removing the Clutch

Procedure for removing the clutch cover, waterpump cover, and seals.

Removing Clutch Pressure Plate and Discs

Steps to loosen screws, remove pressure plate, springs, and spring cups.

Separating Crankcase Halves

Procedure to separate engine crankcase halves, including screw removal and careful separation.

Removing the Crankshaft

Procedure for removing the crankshaft from its bearing and general cleaning/inspection advice.

Engine Components

Checking Crankshaft Dimensions

Procedure for measuring crankshaft counterweight dimensions using a Vernier caliper.

Checking Big End Radial Clearance

Method to measure big end radial clearance using V-blocks and dial indicator, with standard and limit values.

Engine Reassembly

Clutch and Primary Drive Assembly

Procedure for assembling clutch parts, primary gear, washer, bearings, and securing with nuts.

Piston and Cylinder Installation

Steps for lubricating and installing piston, rings, pin, cylinder, and securing with bolts.

Tightening Torque Table

Standard Torque Specifications

Torque values for standard screw sizes (M5, M6, M8) and Loctite recommendations.

Chassis Torque Specifications

Torque values for chassis components like axle nuts, pinch bolts, and engine mounting bolts.

Engine Torque Specifications

Torque values for engine components such as speed sensor, oil level, clutch parts, flywheel, and cylinder mounting screws.

Carburetor Setting Table

Charging System Checks

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