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Royal Enfield 350 BULLET 1956 User Manual

Royal Enfield 350 BULLET 1956
82 pages
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ROYAL ENFIELD WORKSHOP MANUAL
WORKSHOP
MAINTENANCE MANUAL
FOR THE
Royal
Enfield
350 BULLET 1956 on
500 BULLET 1956 on
350 CLIPPER 1958 on
Including AIRFLOW models
And TRIALS WORKS REPLICA
MAN7
www.hitchcocksmotorcycles.com
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Royal Enfield 350 BULLET 1956 Specifications

General IconGeneral
Engine TypeSingle cylinder, 4-stroke
Displacement346cc
Bore x Stroke70mm x 90mm
IgnitionMagneto
Front BrakeDrum
Rear BrakeDrum
Wheelbase1370 mm
Transmission4-speed
Fuel SystemAmal Carburettor
Front SuspensionTelescopic fork
Rear SuspensionSwingarm with shock absorbers

Summary

Technical Data

Technical Data

Service Operations with Engine in Frame

Removal of the Timing Cover

Procedure to remove the timing cover and its components.

Valve Timing

How to set the engine's valve timing for different models.

Tappet Adjustment

Steps for adjusting valve tappet clearance when the engine is cold.

Ignition Timing

Removal of the Petrol Tank

Removal of the Cylinder Head

Removal of the Valves

Removal of the Rockers

Removal of the Valve Guides

Removal of the Cylinder Barrel

Removal of the Piston

Decarbonising

Grinding in the Valves

Reassembly after Decarbonising

Cleaning the Oil Filter

Overhaul of Oil Pumps

Removal of Pump Worm and Timing Pinion

Removal of the Magneto or Contact Breaker Pinion Unit

Primary Chain Adjustment

Removal of the Engine and Clutch Sprockets

Removal of the Tappets and Guides

Dismantling the Breather

Removal of the Clutch

Removal of the Final Drive sprocket

Pressure Relief Valve

Removal of the Magneto or Contact Breaker Unit

Fitting the Alternator

Service Operations with Engine Removed

Removal of the Engine from the Frame

Detailed steps for removing the engine from the motorcycle frame.

Removal of the Gear Box

Procedures for removing the gearbox from the engine.

Dismantling the Crankcase

Steps for dismantling the motorcycle's crankcase halves.

Main Bearings

How to remove and replace the main engine bearings.

Replacement of the Cam and Idler Spindles

Steps to replace the cam and idler spindles.

Flywheel Assembly

Reassembly of the Crankcase

Gearbox and Clutch

Removal of Gearbox

References other sections for gearbox removal procedures.

To Dismantle the Gearbox

Detailed steps for dismantling the motorcycle's gearbox.

Removal of the Ball Races

Gear Change Mechanism

Re-Assembling the Gearbox

Dismantling and Re-assembly of the Clutch

Adjustment of the Clutch Control

Adjustment of the Neutral Finder

Gearbox Oil Level

Amal Monobloc Carburetter

General Description

Overview of the Amal Monobloc Carburetter's features and benefits.

Tuning the Carburetter(s)

Dismantling Carburetter

Causes of High Petrol Consumption

Lucas Rotating Magnet Magneto Model SR1

General

General overview of the Lucas Magneto Model SR1.

Routine Maintenance

Procedures for routine maintenance, including lubrication of the magneto.

Servicing

Automatic Advance Mechanism

Lucas A.C. Lighting-Ignition System

General

Overview of the Lucas AC lighting-ignition system components.

Alternator Models RM14 and RM15

Details on different alternator models used.

Circuit Detail

Explanation of the AC lighting system's circuit diagram.

Emergency Starting

Direct Operation

Routine Maintenance

Ignition Coil Model Q6 or MA6

Contact Breaker Unit

Renewing High Tension Cables

Battery Model PUZ7E

General

Introduction to the PUZ7E battery model and its features.

Preparation for Service

Steps for preparing the dry-charged battery for service.

Routine Maintenance

Servicing

Head and Tail Lamps

Headlamp

Description of the headlamp assembly and its components.

Lucas Light Unit

Details of the Lucas Light Unit used in the headlamp.

Replacing the Light Unit and Bulb

Steps to replace the headlamp unit and bulb.

Parking Lights

How to access and replace parking light bulbs.

Tail Light

Frame

Description of Frame

Details about the construction and materials of the motorcycle frame.

Steering Head Races

Information on the steering head races and their replacement.

Removal of Rear Suspension unit

Steps to remove the rear suspension unit from the frame.

Servicing Rear Suspension Units

How to service the motorcycle's rear suspension units.

Removal of Swinging Arm Chain Stays

Centre Stand

Wheel Alignment

Lubrication

Dismantling the Rear Mudguard-dual Seat Assembly, 1961 onwards

Front Fork

Description

Description of the telescopic front fork assembly.

Operation of the Fork

Explanation of how the front fork operates, including damping.

Dismantling the Fork to Replace Spring, Oil Seal or Bearing Bushes

Spring

Reassembly of Parts

Steering Head Races

Removal of Complete Fork

Lubrication

Air Vents

Front Wheel With Dual 6in. Brake

Removal from Fork

Steps to remove the front wheel from the fork assembly.

Removal of Brake Cover Plate Assemblies

How to remove the front wheel brake cover plate assemblies.

Removal of Brake Shoes and Springs

Steps to remove the brake shoes and their associated springs.

Replacing Brake Linings

Information on replacing brake linings on the shoes.

Removal of Hub Spindle and Bearings

Hub Bearings

Fitting Limits for Bearings

Refitting Ball Bearings

Reassembly of Brake Shoes to Cover Plates

Floating Cam Housings

Refitting Brake Cover Plates

Wheel Rim

Spokes

Wheel Building and Truing

Tyre

Tyre Pressures

Lubrication

Rear Wheel (Non-Detachable Type)

Description

Description of the non-detachable rear wheel and its features.

Removal and Replacement of Wheel

Steps for removing and replacing the rear wheel.

Removal of Brake Shoes for Replacement, Fitting New Linings, etc.

Replacing Brake Linings

Removal of Hub Spindle and Bearings

Hub Bearings

Fitting Limits for Bearings

Refitting Ball Bearings

Removal of Brake Operating Cam and Brake Shoe Pivot Pin

Cush Drive

Reassembly of Brake Shoes, Pivot Pin and Operating Cam into Cover Plate

Centering Cam Housing

Final Reassembly of Hub before Replacing Wheel

Wheel Rim

Spokes

Wheel Building and Truing

Tyre

Tyre Pressures

Lubrication

Rear Wheel (Quickly Detachable Type with 7 in. diameter Brake and Full-Width Hub)

Description

Description of the quickly detachable rear wheel.

Removal and Replacement of Main Portion of Wheel for Tyre Repairs, etc.

Steps to remove the main portion of the rear wheel for tyre repairs.

Removal and Replacement of Complete wheel for Access to Brake

Steps to remove the complete rear wheel for brake access.

Removal of Brake Shoes for Replacement, etc.

Removal of Brake Operating Cam and Brake Shoe Pivot Pin

Cush Drive

Removal of Ball Bearings

Hub Bearings

Removal of Hub Driving Pins

Refitting Ball Bearings

Reassembly of Brake Shoes, Pivot Pin and Operating Cam into Cover Plate

Centering Cam Housing

Final Reassembly of Hub Before Replacing Wheel

Wheel Rim

Spokes

Wheel Building and Truing

Tyre

Tyre Pressures

Lubrication

Special Tools

Magdyno Pinion Extractor (Tool Kit)

Tool for removing magdyno pinion.

Valve Spring Compressor

Tool for compressing valve springs.

Valve Guide Mandrels

Tools for valve guide removal/fitting.

Gudgeon Pin Extractor (Adaptor if necessary)

Tool for extracting gudgeon pins.

Valve Grinding Tool

Tool for grinding valves.

Pump Disc Lapping Tool

Tool for lapping pump discs.

Pump Worm Shaft Spanner

Spanner for pump worm shaft.

Tappet Guide Extractor

Tool for extracting tappet guides.

Clutch Centre Extractor

Tool for extracting clutch centres.

Crankshaft Extractor

Tool for extracting crankshafts.

Roller Race Assembly, Timing Side

Tool for roller race assembly (timing side).

Bearing Assembly, Driving Side

Tool for bearing assembly (driving side).

Locating Plate for Assembly of Cam Spindles

Plate for locating cam spindle assembly.

Crankshaft Pot or Jig ("350 Bullet")

Jig for crankshaft assembly (350 Bullet).

Crankshaft Pot or Jig ("500 Bullet")

Jig for crankshaft assembly (500 Bullet).

Frame Expander

Tool for expanding the frame.

Gland Nut Grips

Tool for gripping gland nuts.

Lockring Spanner

Spanner for lockrings.

Gland Nut Hand Grips

Hand grips for gland nuts.

Lockring Spanner

Spanner for lockrings.

Outer Tube Hand Grips

Hand grips for outer tubes.

Gland Nut Hand Grips

Hand grips for gland nuts.

Lockring Spanner

Spanner for lockrings.

Special Tools

Inlet Valve Seat Arbor

Tool for inlet valve seat arbor.

Inlet Valve Seat Cutter

Tool for cutting inlet valve seats.

Assembly Gauge in Use to Centralise Rotor

Gauge to centralise rotor during assembly.

"Airflow" Fairing

Description of the Fairing

Overview of the Airflow fairing and mudguard.

Removal of the windscreen

Steps to remove the windscreen.

Removal of the Headlamp

How to remove the headlamp assembly.

Removal of the Headlamp Switch, Speedometer and Ammeter

Steps to remove headlamp switch, speedometer, ammeter.

Removal of the Front Wheel and Fork Legs

Removal of the Front Mudguard

Removal of the Fairing

Repairs

Reassembly of the Fairing

Reassembly of Mudguard, Fork Legs and Wheel

Reassembly of Headlamp

Reassemble of Ammeter, Headlamp Switch and Speedometer

Reassembly of Windscreen

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