This comprehensive service manual provides detailed information on how to operate, maintain and repair walk-behind lawn mowers. Hundreds of exploded views and illustrations guide you through the complete adjustment and repair process. The following manufacturers of self-propelled drive systems are covered: Ariens, Craftsman, John Deere, Foote, Homelite, Honda, Husqvarna, Jacobsen, Kubota, Lawn-Boy, MTD, Murray, Snapper, Toro, Yard-Man. Specific repair instructions for walk-behind lawn mower engines are covered for: Briggs & Stratton, Clinton, Honda, Jacobsen, Kawasaki, Kubota, Lawn-Boy, Sachs, Tecumseh, Toro. Repair instructions for blade brake clutches are covered for: Ariens, Comet, Honda, Kubota, Lawn-Boy, MTD, Ogura, Toro, Worthington. Table of Contents: INTRODUCTION Tools / Threaded fasteners. ENGINE OPERATING PRINCIPLES Otto cycle / Two-stroke cycle / Four-stroke cycle. MOWER FAMILIARIZATION Rotary mowers / Reel mowers. ENGINE and MOWER IDENTIFICATION Ace / Aircap / Allis-Chalmers / Ariens / Atlas / Bolens / Bunton/Goodall / Cub Cadet / John Deere / Deutz-Allis / Dynamark / Ford / Gilson / Homelite / Honda / Husqvarna / International Harvester / Jacobsen / King-O-Lawn / Kubota / Lawn-Boy / Lawn Chief / Mastercut / Mono / MTD / Murray / Parmi / J.C. Penney / Roper / Sears-Craftsman / Sensation / Simplicity / Snapper / Southland / Toro / Wards / White / Yard-Man. STARTING and OPERATION PROBLEMS and REMEDIES Troubleshooting / Noises / Engine will not start / Engine hard to start / Engine performance is rough and/or power is low / Engine surges / Engine starts then stops / Engine uses too much oil. TROUBLESHOOTING CHART SAFETY TIPS ROUTINE MAINTENANCE Engine / Rotary mowers / Reel mowers. CARBURETOR SERVICE General carburetor service / Troubleshooting / Pressure testing / Adjustment. ENGINE SERVICE Disassembly and assembly / Repairing damaged threads / Valve service fundamentals / Installing oversize piston and rings / Two-stroke engine crankcase pressure test. ENGINE � Briggs & Stratton Identification / Two-stroke models 95700, 96700 / Four-stroke models (except Europa, Quantum, and Vanguard) 90700, 91700, 92500, 92900, 93500, 93900, 94500, 94900, 95500, 95900, 96500, 96900, 98900, 110700, 110900, 111700, 111900, 112700, 112900, 113900, 114700, 114900, 130700, 130900, 131700, 131900, 132900, 133700, 135700 / Quantum 12A800, 12D800, 121700, 121800, 122700, 122800, 123700, 123800, 124700, 124800, 125700, 126700, 126800, 127700, 127800, 128700, 128800, 129700, 129800 / Vanguard OHV 104700 / Europa 99700 / Special Tools / Central parts distributors. � Clinton Identification / Two-stroke models E-65 CW, E-65 CCW, 200, A-200, AVS-200-1000, VS-200, VA-200-1000, VS-200-2000, VS2-200-3000, VS-200-4000, 290, A-400, A-400-1000, AVS-400, CVS-400-1000, VS-400, VS-400-1000, VS-400-2000, VS-400-3000, VS-400-4000, A-460, 490, A-490, 500-0100-000, 501-0000-000, 501-0001-000, GK-590, 502-0308-000, 503-0308-000, 502-0309-000, 503-0309-000 / Four-stroke models with horizontal crankshaft: 100, 2100, A-2100, 400-0100-000, 402-0100-000, 3100, 4100, 404-0100-000, 406-0100-000, 408-0100-000, 424-0100-000, 426-0100-000, 492-0000-000, 410-0000-000 / / Four-stroke models with vertical crankshaft: V-100, VS-100, VS-2100, VS300, 403-0000-000, 405-0000-000, 411-0000-000, AFV-3100, AV-3100, AVS-3100, FV-3100, V-3100, VS-3100, AVS-4100, VS-4100, 405-0000-000, 407-0000-000, 409-0000-000, 415-0000-000, 417-0000-000, 435-0000-000, 455-0000-000, 419-0000-000, 429-0000-000, 431-0003-000 / Accessories. � Craftsman Cross reference / Four-stroke differences. � Honda Valve-in-block models G100, G150, GV150, G200, GV200 / Overhead-valve models GX110, GX140, GX240, GXV120, GXV140, GXV160. � Jacobsen Two-stroke models J-125, J-175, J-225, J-321, J-501 / Servicing Jacobsen accessories. � Kawasaki Two-stroke model KT

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