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It explains how to keep inspections simple by listing only rejection dimensions for worn parts, recommends using plug gauges and related measurement methods, and defines the document’s operational meanings of Inspect, Check, Test, and Replace. It also lays out a chapter-based contents structure covering ignition, carburetion, compression, pistons, crankshaft-related work, cylinders, bearings, oil systems, and starters.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/briggs-stratton-air-cooled-engine-repairmans-handbook-foreword-contents/646621/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/briggs-stratton-air-cooled-engine-repairmans-handbook-foreword-contents/646621.png","ImageObject",300,407,{"name":92,"@type":93},"Liam","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-26","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What prerequisites does the foreword require before attempting an overhaul or tune-up?","Question",{"text":112,"@type":113},"The foreword states the shop must be equipped with proper tools, equipment, and mechanics thoroughly familiar with Briggs & Stratton engine design and construction.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the book simplify inspection of parts for wear?",{"text":117,"@type":113},"It shows only the sizes at which parts should be rejected, avoiding the need to calculate allowances for wear. Parts worn larger or smaller than the given rejection sizes should be rejected and replaced.",{"name":119,"@type":110,"acceptedAnswer":120},"What do Inspect, Check, Test, and Replace mean in the handbook?",{"text":121,"@type":113},"Inspect refers to visual inspection for signs of wear and damage, Check refers to measuring with plug gauges/feeler gauges/micrometers, Test refers to analysis with proper testing equipment, and Replace refers to removing and reassembling or replacing with a new 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overhaul or a tune-up,it is necessary that your shop be equipped with proper tools,equipment and mechanics who are thoroughly familiar with Briggs &Stratton engine design and construction.With yourshop thus equipped,this book will serve as a guide in performing the various steps necessary to do a complete andsatisfactory job.  \nIn order to keep all tables as simple as possible,only the basic engine models are listed unless there is a differenceberween them and special models.You will fnd such special models listed separately in alphabetical order.Also,watchfor difference berween 5 and 6 digit type numbers of the same models.  \n■  \nTo make inspection of parts simple and accurate only the sizes at which they should be rejected are shown.This elim-inates the necessity for fguring allowances for wear,etc.If a part is worn larger(inside dimension such as magnetobearing)or smaller(such as crankshaft bearing surfaces)than the given sizes,they should be rejected and replacedwitih new parzs.  \nAIways use plug gauges wherever possible to eliminate doubt and possible mistakes.You will find plug gauges il-iustrated in Chapter 12.You will notice that most plug gauges have three sizes—A,B and C.The C end is used tocheck the old part and if it enters,the part is either out of round or oversize and shquld be rejected.The A and Bends are used to check the new parts after installation.A should enter,but B should not.Special repair parts,valveguides,valve seat inserts,contact point plunger bushing,etc.,are not listed in the regular Parts Lists and part numberswill be found only in this book.  \n紫，  \nThe term \"Inspect,\"\"Check,\"\"Test\"and \"Replace\"are used as follows:  \nINSPECT—Visual inspection,look for signs of wear,scoring,cracks,stripped threads,etc.  \nCHECK—Measure by means of plug gauges,feeler gauges,micrometer,scale,etc.  \nTEST—Analyze with proper testing equipment.  \nREPLACE—This usually means to take off the old part and reassemble it or replace with a new one.  \nForeword …………………………………………………………………………………………2  \nGcneral Information ……………………………………………………………………………4  \nModel Data—Table 1……………………………………………………………………5  \nCHAPTER 1—Overhau] & Tune-up…………………………6to14  \nOverhaul & Tune-up Procedure—Table 2………………6to9  \nTune-up Data—Table 3…………………………………………………10  \nEngine Speed Settings, Special Types…………………11-12  \nEngine Speed Settings, Standard……………………………13-14  \nCHAPTER 2—Ignition ……………………………………………………15to26  \nSpark Plug………………………………………………………………………15-16  \nBreaker Point Gap……………………………………………………………16  \nCondenser ………………………………………………………………………………………16  \nBlower Housing………………………………………………………………16  \nFlywheel ……………………………………………………………………………16-17  \nIgnition Cable…………………………………………………………………18  \nMagnetos ……………………………………………………………………………18to26  \nMagnetizing Flywheel & Rotors………………………26  \nCHAPTER 3—Carburetion ………………………………………………27to40  \nAir Cleaners…………………………………………………………………………27  \nFuel Supply System …………………………………………27-28  \nCarburetors, Gravity Feed……………………………………28-30  \nCarburetors, Suction Feed……………………………………30-31  \nAutomatic Choke, Adjusting…………………………………31  \nFuel Pump Diaphragm,Replacing……………………31-32  \nRemote Governor & Throtrle Controls …………………34  \nCarburetor & Governor Controls …………………………35-40  \nCHAPTER 4—Compression ……………………………………41-49  \nCylinder Heads ………………………………………………………41  \nValve Tapper Clearances—Table 6………………………41  \nValve Sprirgs ……………………………………………………41-44  \nAdjusting Valve Tappet Clearance………………………41  \nValve Sear Widths—Table 7………………………………44  \nRemoving Va!ve Guides…………………………………………45  \nValve Guide Inspection Tools—Table 8………………45  \nValve Guide Inspection Tools-Table 9………………………45  \nValve Guide Numbers—Table 10………………………………………45  \nInstalling Valve Guides ………………………………………46  \nValve Seats …………………………………………………………46to48  \nTools for installing Valve Seat Insertr……………………48  \nValves, Timing……………………………………………………………………","cbCaioTixzaTbkkG","https://ap.wps.com/l/cbCaioTixzaTbkkG","pdf",32819930,87,"English","# Foreword\n## General Information\n## Model Data—Table 1\n# CHAPTER 1—Overhaul & Tune-up\n## Overhaul & Tune-up Procedure—Table 2\n## Tune-up Data—Table 3\n## Engine Speed Settings, Standard; Special Types\n# CHAPTER 2—Ignition\n## Spark Plug\n## Breaker Point Gap\n## Condenser\n## Magnetos\n# CHAPTER 3—Carburetion\n## Air Cleaners\n## Fuel Supply System\n## Carburetors (Gravity/Suction Feed)\n## Automatic Choke, Adjusting\n# CHAPTER 4—Compression\n## Cylinder Heads\n## Valve Tappet Clearances—Table 6\n## Valve Spring and Valve Seat Work\n## Valves, Timing\n# CHAPTER 5—Piston, Piston Pins, Connecting Rods\n## Checking Rings and Pistons\n## Connecting Rod Rejection Sizes—Table 15\n# CHAPTER 6—Crankshaft, Cam Gears\n## Crankshaft Rejection Sizes—Table 18\n## End Play and Warped Magneto Plates\n# CHAPTER 7—Cylinders\n## Bore Dimensions—Table 19\n## Resizing and Welding\n# CHAPTER 8—Bearings\n## Main Bearings and Bearing Oil Retainer\n# CHAPTER 9—Oil Systems\n## Guide—Table 22\n## Repair Instructions by Models\n# CHAPTER 10—Starters\n## Adjusting & Assembling\n## Retrievable","[{\"question\":\"What prerequisites does the foreword require before attempting an overhaul or tune-up?\",\"answer\":\"The foreword states the shop must be equipped with proper tools, equipment, and mechanics thoroughly familiar with Briggs \\u0026 Stratton engine design and construction.\"},{\"question\":\"How does the book simplify inspection of parts for wear?\",\"answer\":\"It shows only the sizes at which parts should be rejected, avoiding the need to calculate allowances for wear. Parts worn larger or smaller than the given rejection sizes should be rejected and replaced.\"},{\"question\":\"What do Inspect, Check, Test, and Replace mean in the handbook?\",\"answer\":\"Inspect refers to visual inspection for signs of wear and damage, Check refers to measuring with plug gauges/feeler gauges/micrometers, Test refers to analysis with proper testing equipment, and Replace refers to removing and reassembling or replacing with a new part.\"}]","Briggs & Stratton Air-Cooled Engine Repairman’s Handbook - Foreword - Contents | PDF",1792764687,219]