SEARS CRAFTSMAN 8.5 H.P. ENGINE MODEL 143.988503 FORCHIPPER-SHREDDER MODEL 247,775880Key Part No.No.-- m1 353852 2765245 3096915 30699C15A17181920252628303538373840404141424243454748495O606569707172753070065049433454299166510283466335319364606505613032236283A29826299182921629642400114001240009400104001340014278883689765103334034368963537533273A65012835262A35376353772858235319Key Part No.Description No.RPM Low 1700 80 31845RPM High 3450 to 3750 81 30590ACylinder (Incl. 2 & 20) 82 35378Dowel Pin 83 30588AOil Drain Extension 84 29193ExtensionCap 86 650833Governor Rod (Incl. 15A & 87 65083215B) 89 32589Governor Yoke 90 611090Screw, 6-40 x 5/16" 92 650880Governor Lever 93 650881Governor Lever Clamp 100 35135Screw,TorxT-15, 8-32 x 3/8" 101 610118Speed Control Spring 102 651024Oil Seal 103 651007B_owerHousing BaffleScrew, 1/4-20 x 5/8" 110 35187Lock Nut, 8-32 119 36448Crankshaft 120 36449Screw, 10-32 x 3/4" 125 27878ALockWasher 125 27880ALock Nut, 10-32 126 34035Retaining Ring 126 34036Piston, Pin & Ring Set (std,) 127 650691Piston, Pin & Ring Set (,010" 128 650690os) 130 650694APiston& Pin Assembly (std,) 130A 650273Piston & Pin Assembly (.010" 130B 651031os) 135 33636Ring Set (std,) 139 33369Ring Set (,010" os) 140 650836Piston Pin Retaining Ring 149 27882Connecting Rod Ass'y (incl. 149A 3586247 & 49) 150 27881Connecting Rod Bolt 151 32581Valve Lifter 169 27896AOil Dipper 170 28423Camshaft (MCR) 171 28424Blower Housing Extension 172 28425Screw, 10-24 x 112" 173 36675ACylinder Cover Gasket 173A 32446Cylinder Cover (Incl. 71, 75 &80) 174 650128178 29752Crankshaft BushingOil Drain Plug 182 30088AOil Seal 184 33263DescriptionGovernor ShaftWasherGovernor Gear Ass'y.Governor SpoolRetaining RingScrew, 1/4-20 x 1-3/16"Screw, 1/4-20 x 1-11/16"Flywheel KeyFlywheelLock WasherFlywheel NutSolid State IgnitionSpark Plug CoverSolid State Mounting StudScrew, Torx "1"-15,10-24 x15116"Ground WireCylinder Head GasketCylinder HeadExhaust Valve (std.)Exhaust Valve (1/32" os)Intake Valve (std.)Intake Valve (1/32" os)WasherBelleville WasherScrew, 5/16-18 x 2"Screw, 5/16-18 x 518"Screw, 1/4-20 x 9/16"Resistor Spark PlugGovernor Gear BracketScrew, 10-24 x 1/2"Valve Spring CapValve Spring CapValve SpringValve Spring KeeperBreather GasketBreather BodyBreather ElementValve CoverBreather TubeBreather Tube GrommetScrew, 10-24 x 1/2"'Nut & Lock WasherScrew, 1/4-28 x 1"Carburetor to Intake PipeGasket22