Walk-Behind Lawn Mower Repair & Service Manual 5th Edition
  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 KT43 | Overhead-valve model FC150V.
Kubota
model GH150V.
Lawn-Boy
C- and D- models C-10, C-12, C-20, C-21, C-22, C-70, C-71, C-72, C-73, C-75, C-13, C-14, C-15, C-16, C-17, C-40, C-41, C-42, C-50, C-51, C-60, C-61, C-74, C-76, C-77, C-78, C-80, C-81, C-44, D-100, D-401, D-402, D-403, D-404, D-405, D-406, D-407, D-408, D-405E, D-406E, D-407E, D-408E, D-409, D-430, D-431, D-432, D-433, D-440, D-441, D-442, D-443, D-444, D-445, D-446, D-447, D-448, D-455E, D-446E, D-447E, D-448E, D-445E, D-446E, D-447E, D-448E, D-449, D-450, D-451, D-452, D-460, D-461, D-462, D-475, D-476, D-480, D-481, D-570, D-600, D-600E, D-601, D-640, D-640E, D-641, D-641E.| F-Series and V-Series | M25 models M21MBR, M21EMR, M21ZMR, M21ZPR.
Sachs
Two-stroke model SB140 with vertical crankshaft.
Tecumseh
Two-stroke models AV600, TVS600, TVS840, TVXL840 | Four-stroke models (except Vector and OHV engines) LAV30, TVS75, LAV35, TVS90, ECV100, ECV105, LAV40, ECV110, ECV120, TNT120, LAV50, TVS120, V40 std. ignition, V40 ext. ignition, V50, TVM125, V60, TVM140, TNT100, TVS100, TVS105, TVXL105, TVS115, TVXL115 | Vector models VLV40, VLV50, VLXL50, VLV55, VLXL55, VLV60 | OHV models OVRM40, OVRM50, OVRM55, OVRM60.
Toro
Two-stroke models 47PZ2, 47PD3, 47PE4, 47PF5| Four-stroke VM model, air-cooled, single-cylinder Suzuki engine with vertical crankshaft and overhead valve system | Four-stroke model GTS150, air-cooled, single-cylinder engine with vertical crankshaft and OHV system.
SELF-PROPELLED DRIVE SYSTEMS
Ariens Disc Dive | Chain Drive Systems | Craftsman Gearbox | Foote Gearbox | Homelite/Jacobsen | Honda | Husqvarna | John Deere Self-Drive | John Deere | Kubota | Lawn-Boy Self-Drive C, D, F, M, Silver, and Gold Series | MTD | Murray | Snapper Disc Drive | Toro Gearbox | Yard-Man.
BLADE BRAKE CLUTCHES
Ariens | Comet | Honda | Kubota | Lawn-Boy | MTD | Ogura | Toro | Worthington.
STORAGE
Entering into storage | Removing from storage.
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