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It outlines that qualified personnel should already know the servicing procedures and recommended tool usage, emphasizes that proper service and repair support safe, economical operation, and warns that procedures not recommended by the manufacturer must be verified. The foreword also states that information reflects the latest available product data and may change, and includes safety definitions like DANGER, WARNING, CAUTION, and NOTE, plus a brief engine theory overview of four-cycle events.",{"@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/servicemanual-gn724-v-twinohvi-engine-foreword-power-systems-inc/639855/",{"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/servicemanual-gn724-v-twinohvi-engine-foreword-power-systems-inc/639855.png","ImageObject",300,407,{"name":92,"@type":93},"fresh2021","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-23","2026-10-22",true,{"@type":102,"interactionType":103,"userInteractionCount":8},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Who is this servicemanual intended for?","Question",{"text":112,"@type":113},"It is written to aid dealers’ mechanics, company service personnel, and general consumers when servicing the described products.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What does the foreword say about using procedures not recommended by the manufacturer?",{"text":117,"@type":113},"Anyone using an unapproved procedure must first ensure both their safety and the product’s safety will not be endangered by that selected procedure or method.",{"name":119,"@type":110,"acceptedAnswer":120},"What do the manual’s safety blocks (DANGER, WARNING, CAUTION, NOTE) mean?",{"text":121,"@type":113},"DANGER indicates instructions that will result in personal injury if not strictly complied with; WARNING may result in personal injury; CAUTION may result in damage to equipment and/or property; NOTE highlights explanatory statements requiring special emphasis.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},639855,1792717770,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},962093912154,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","Phone:(262)473-5514  \n# SERVICEMANUAL\n\nGN724 V-TWINOHVI ENGINE  \n## GENERAC\n\nPOWER SYSTEMS,INC.  \nP.O.Box 297·Whitewater,WI·53190  \n## FOREWORD\n\nThis manual has been written and published by GENERAC⑧POWERSYSTEMS,INC.to aid our dealers'mechanics,company service per-sonnel and general consumers when servicing the products describedherein.  \nIt is assumed that these personnel are familiar with the servicing pro-cedures for these products,or like or similar products,manufacturedand marketed by GENERAC⑧POWER SYSTEMS,INC.It is also assumedthat they have been trained in the recommended servicing proceduresfor these products,which includes the use of mechanics hand toolsand any special tools that might be required.  \nProper service and repair is important to the safe,economical andreliable operation of the products described herein.The trou-bleshooting,testing,service and repair procedures recommended byGENERAC®POWER SYSTEMS,INC.and described in this manual areeffective methods of performing such operations.Some of these oper-ations or procedures may require the use of specialized equipment.Such equipment should be used when and as recommended.  \nWe could not possibly know of and advise the service trade of allconceivable procedures or methods by which a service might be per-formed,nor of any possible hazards and/or results of each procedureor method.We have not undertaken any such wide evaluation.There-fore,anyone who uses a procedure or method not recommended bythe manufacturer must first satisfy himself that neither his safety,northe product's safety,will be endangered by the service or operatingprocedure selected.  \nAll information,illustrations and specifications contained in thismanual are based on the latest product information available at thetime of publication.However,GENERAC®POWER SYSTEMS,INC.reserves the right to change,alter or otherwise improve the productat any time without prior notice.  \nSome components or assemblies of the product described in thismanual may not be considered repairable.Disassembly,repair andreassembly of such components may not be included in this manual.  \nThe engines described herein may be used to power a wide varietyof products.Service and repair instructions relating to any such prod-ucts are not covered in this manual.Forinformation pertaining to useof these engines with other products,refer to any owner's or servicemanuals pertaining to said products.  \n4-CYCLE ENGINE THEORY………………………………………………………………………………………………………………………………………4  \nSECTION 1: GENERAL INFORMATION……………………………………………………………………………………………………………………5  \nSECTION 2: IGNITION……………………………………………………………………………………………………………………………………………10  \nSECTION 3: GOVERNOR ………………………………………………………………………………………………………………………………………14  \nSECTION 4:CYLINDER HEAD AND VALVES ………………………………………………………………………………………………………18  \nSECTION 5: ELECTRIC STARTER. ……………………………………………………………………………………………………………………………24  \nSECTION 6:LUBRICATION SYSTEM……………………………………………………………………………………………………………………30  \nSECTION 7: ENGINE DISASSEMBLY………………………………………………………………………………………………………………………35  \nSECTION 8:CYLINDER AND CRANKCASE INSPECTION AND REPAIR ……………………………………………………………37  \nSECTION 9:CRANKSHAFT AND CAMSHAFT……………………………………………………………………………………………………41  \nSECTION 10:PISTON, RINGS AND CONNECTING ROD INSPECTION AND ASSEMBL……………………………………42  \nSECTION 11:ENGINE ASSEMBLY ………………………………………………………………………………………………………………………45  \n## A WORD ABOUT SPECIAL TOOLS\n\nMany of the procedures depicted in this manual require the use of special tools. Some of  \nthe tools required are available as Generac parts and are listed as such in this manual. Other  \ntools are listed only as Briggs & Stratton parts and must be acquired through a Briggs &  \nStratton source of supply.  \nPortions of this manual have been reprinted from Briggs & Stratton P/N 273521-4/98  \n\"Repair Manual For IntekTM V-twin Cylinder OHV Engines\"with permission from Briggs &  \nStratton.  \nAll rights are reserved  \nATTENTION!  \nGenerac Power Systems does not approve or authorize the use of ","cbCaijj2pzZdH1XX","https://ap.wps.com/l/cbCaijj2pzZdH1XX","pdf",5984110,56,"English","# Foreword\n## A Word About Special Tools\n## A Intake\n## Engine Theory (4-Cycle)","[{\"question\":\"Who is this servicemanual intended for?\",\"answer\":\"It is written to aid dealers’ mechanics, company service personnel, and general consumers when servicing the described products.\"},{\"question\":\"What does the foreword say about using procedures not recommended by the manufacturer?\",\"answer\":\"Anyone using an unapproved procedure must first ensure both their safety and the product’s safety will not be endangered by that selected procedure or method.\"},{\"question\":\"What do the manual’s safety blocks (DANGER, WARNING, CAUTION, NOTE) mean?\",\"answer\":\"DANGER indicates instructions that will result in personal injury if not strictly complied with; WARNING may result in personal injury; CAUTION may result in damage to equipment and/or property; NOTE highlights explanatory statements requiring special emphasis.\"}]","SERVICEMANUAL - GN724 V-TWINOHVI ENGINE - FOREWORD - POWER SYSTEMS, INC. | PDF",1792705682,141]