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850-4912
Parts List
21 pgs140.52 Kb0

AYP 850-4912 Parts List

850-4912 (1999 & Before) Page 1 of 21 ENGINE PARTS ILLUSTRATION
850-4912 (1999 & Before) Page 2 of 21 ENGINE PARTS ILLUSTRATION
Ref # Part Number Qty Description
1 493260 CYLINDER ASSY 2 293708 BUSHING, CYLINDER 3 299819 SEAL, OIL 5 213861 HEAD, CYLINDER 7 272200 GASKET CYLINDER HEAD 8 494489 BREATHER, VALVE CHAMBER 9 272481 GASKET, VALVE COVER
9A 272238 GASKET, BAFFLE PLATE
10 94650 SCREW 11 231685 TUBE, BREATHER 12 272198 GASKET, CRANKCASE 13 94547 SCREW, CYLINDER HEAD 15 93418 PLUG, OIL DRAIN 16 493362 CRANKSHAFT
94388 TIMING GEAR KEY 18 493279 SUMP, ENGINE 20 399781 SEAL, OIL 22 94220 SCREW, HEX HEAD
94612 SCREW, HEX HEAD 23 492177 FLYWHEEL 24 222698 KEY, FLYWHEEL 25 493262 PISTON ASSY STANDARD SIZE
493385 PISTON ASSY
493386 PISTON ASSY
493387 PISTON ASSY 26 493261 RING SET, PISTON, STANDARD SIZE
493388 RING SET, PISTON, .010" OVERSIZE
493389 RING SET, PISTON, .020" OVERSIZE
493390 RING SET, PISTON, .030" OVERSIZE 27 26026 LOCK, PISTON PIN 28 298909 PIN ASSY, PISTON, STD
298908 PIN ASSEMBLY, PISTON .005" OVERSIZE 29 490566 ROD, CONNECTING
490743 ROD, CONNECTING, .020" UNDERSIZE 32 94405 SCREW CONNECTING ROD 33 262651 VALVE, EXHAUST 34 262652 VALVE, INTAKE 35 262224 SPRING, VALVE 40 93312 RETAINER, VALVE SPRING 45 262204 TAPPET, VALVE 46 492830 GEAR, CAM 47 493737 SLINGER, OIL 52 272199 GASKET, INTAKE ELBOW 54 94526 SCREW, HEX HEAD 55 492831 HOUSING REWIND STARTER 56 492832 PULLEY REWING STARTER 57 262594 SPRING, REWIND STARTER 58 280399 ROPE, REWIND STARTER (CUT TO 88-5/8) 59 396892 INSERT, HANDLE 60 393152 HANDLE, REWIND STARTER 69 280973 WASHER
69A 224322 WASHER
81 223664 LOCK, MUFFLER SCREW 95 94098 SCREW, THROTTLE 98 398185 SCREW IDLE ADJ
98A 493280 SCREW ASSY SPEED ADJ
104 231371 PIN, FLOAT HINGE 108 223471 VALVE CHOKE
850-4912 (1999 & Before) Page 3 of 21 ENGINE PARTS ILLUSTRATION
Ref # Part Number Qty Description
116 UNKNOWN CHECK WITH SUPPLIER 118 493795 VALVE AND SPRING, NEEDLE 121 493762 CARB OVERHAUL KIT 124 94525 SCREW, CARBURETOR MOUNTING 125 494217 CARB ASSY 127 UNKNOWN CHECK WITH SUPPLIER 130 223470 VALVE THROTTLE 131 493267 SHAFT, THROTTLE 133 398187 FLOAT, CARBURETOR 134 398188 VALVE, INLET 137 UNKNOWN CHECK WITH SUPPLIER 141 494218 SHAFT CHOKE 163 272296 GASKET, AIR CLEANER 187 492790 HOSE, FUEL 188 398540 SCREW, HEX HEAD
188A 94644 SCREW, HEX HEAD
201 262579 LINK, GOVERNOR 209 262660 SPRING, GOVERNOR 227 492349 LEVER, GOVERNOR 230 67072 WASHER, THRUST 258 94512 SCREW, HEX HEAD 284 94511 SCREW, HEX HEAD 300 490547 MUFFLER EXHAUST 304 493293 HOUSING, BLOWER 305 94513 SCREW, SEMS, AIR CLEANER 306 224324 SHIELD, CYLINDER 307 94515 SCREW HEX HD 332 92284 NUT, FLYWHEEL 333 802574 ARMATURE, MAGNETO 334 93381 SCREW, SEM, ARMATURE MOUNTING 337 802592 PLUG, SPARK 356 398808 WIRE, GROUND 358 493263 GASKET SET 363 19069 PULLEY, FLYWHEEL 383 89838 WRENCH SPARK PLUG 455 224250 CUP, STARTER 456 224321 RETAINER, REWIND STARTER 459 492833 PAWL, STARTER 461 262626 PIN, STARTER 515 262625 SPRING, TORSION 523 493950 CAP WITH DIPSTICK 524 280393 SEAL, FILLER TUBE 525 493952 TUBE OIL FILLER 529 280943 GROMMET BREATHER 562 92613 BOLT, GOVERNOR LEVER 572 224328 BAFFLE, CYLINDER 592 231082 NUT, HEX 601 93807 CLAMP HOSE 608 493295 STARTER ASSY REWIND
94128 SCREW, HEX HEAD
92987 NUT, HEX
613 94231 SCREW, HEX HEAD 615 94474 FASTENER 616 262578 CRANK, GOVERNOR 617 270344 SEAL, FUEL INTAKE TUBE 618 262749 SPRING CHOKE REWIND 620 493894 BRKT ASSY 621 396847 SWITCH, STOP
850-4912 (1999 & Before) Page 4 of 21 ENGINE PARTS ILLUSTRATION
Ref # Part Number Qty Description
625 492717 TUBE FUEL INTAKE 634 UNKNOWN CHECK WITH SUPPLIER 635 66538 ELBOW, SPARK PLUG 670 280512 SPACER, FUEL TANK
670A 493823 SPACER, BRACKET
741 262598 GEAR, TIMING 842 580966 SEAL, O-RING 847 493459 DIPSTICK AND TUBE ASSY OIL FILLER 851 221798 TERMINAL, IGNITION CABLE 869 213512 SEAT, INTAKE VALVE 870 213513 SEAT, EXHAUST VALVE 871 262001 GUIDE, EXHAUST VALVE
63709 GUIDE, INTAKE VALVE
922 262640 SPRING, BRAKE 923 493442 BRAKE ASSEMBLY 949 281136 GUARD FINGER 955 493869 SCREW, BOWL MOUNTING 957 397974 CAP, FUEL TANK 966 492363 BASE AIR CLEANER 967 491588 SUB= 3364 968 280937 COVER AIR CLEANER 969 94120 SCREW, HEX HEAD 971 94269 SCREW, AIR CLEANER
971A 94121 SCREW, HEX HEAD
972 494528 TANK ASSY FUEL BOWL ASSY 975 493640 BOWL, FLOAT
977 490937 GASKET SET, CARBURETOR 1016 224278 COVER, REWIND STARTER 1019 494256 LABEL KIT
850-4912 (1999 & Before) Page 5 of 21 ENGINE PARTS ILLUSTRATION
850-4912 (1999 & Before) Page 6 of 21 ENGINE PARTS ILLUSTRATION
Ref # Part Number Qty Description
1 493260 CYLINDER ASSY 2 293708 BUSHING, CYLINDER 3 299819 SEAL, OIL 5 213861 HEAD, CYLINDER 7 272200 GASKET CYLINDER HEAD 8 494489 BREATHER, VALVE CHAMBER 9 272481 GASKET, VALVE COVER
9A 272238 GASKET, BAFFLE PLATE
10 94650 SCREW 11 231685 TUBE, BREATHER 12 272198 GASKET, CRANKCASE 13 94547 SCREW, CYLINDER HEAD 15 93418 PLUG, OIL DRAIN 16 493362 CRANKSHAFT
94388 TIMING GEAR KEY 18 493279 SUMP, ENGINE 20 399781 SEAL, OIL 22 94220 SCREW, HEX HEAD
94612 SCREW, HEX HEAD 23 492177 FLYWHEEL 24 222698 KEY, FLYWHEEL 25 493262 PISTON ASSY STANDARD SIZE
493385 PISTON ASSY
493386 PISTON ASSY
493387 PISTON ASSY 26 493261 RING SET, PISTON, STANDARD SIZE
493388 RING SET, PISTON, .010" OVERSIZE
493389 RING SET, PISTON, .020" OVERSIZE
493390 RING SET, PISTON, .030" OVERSIZE 27 26026 LOCK, PISTON PIN 28 298909 PIN ASSY, PISTON, STD
298908 PIN ASSEMBLY, PISTON .005" OVERSIZE 29 490566 ROD, CONNECTING
490743 ROD, CONNECTING, .020" UNDERSIZE 32 94405 SCREW CONNECTING ROD 33 262651 VALVE, EXHAUST 34 262652 VALVE, INTAKE 35 262224 SPRING, VALVE 40 93312 RETAINER, VALVE SPRING 45 262204 TAPPET, VALVE 46 492830 GEAR, CAM 47 493737 SLINGER, OIL 52 272199 GASKET, INTAKE ELBOW 54 94526 SCREW, HEX HEAD 55 492831 HOUSING REWIND STARTER 56 492832 PULLEY REWING STARTER 57 262594 SPRING, REWIND STARTER 58 280399 ROPE, REWIND STARTER (CUT TO 88-5/8) 59 396892 INSERT, HANDLE 60 393152 HANDLE, REWIND STARTER 69 280973 WASHER
69A 224322 WASHER
81 223664 LOCK, MUFFLER SCREW 95 94098 SCREW, THROTTLE 98 398185 SCREW IDLE ADJ
98A 493280 SCREW ASSY SPEED ADJ
104 231371 PIN, FLOAT HINGE 108 223471 VALVE CHOKE
850-4912 (1999 & Before) Page 7 of 21 ENGINE PARTS ILLUSTRATION
Ref # Part Number Qty Description
116 UNKNOWN CHECK WITH SUPPLIER 118 493795 VALVE AND SPRING, NEEDLE 121 493762 CARB OVERHAUL KIT 124 94525 SCREW, CARBURETOR MOUNTING 125 494217 CARB ASSY 127 UNKNOWN CHECK WITH SUPPLIER 130 223470 VALVE THROTTLE 131 493267 SHAFT, THROTTLE 133 398187 FLOAT, CARBURETOR 134 398188 VALVE, INLET 137 UNKNOWN CHECK WITH SUPPLIER 141 494218 SHAFT CHOKE 163 272296 GASKET, AIR CLEANER 187 492790 HOSE, FUEL 188 398540 SCREW, HEX HEAD
188A 94644 SCREW, HEX HEAD
201 262579 LINK, GOVERNOR 209 262660 SPRING, GOVERNOR 227 492349 LEVER, GOVERNOR 230 67072 WASHER, THRUST 258 94512 SCREW, HEX HEAD 284 94511 SCREW, HEX HEAD 300 490547 MUFFLER EXHAUST 304 493293 HOUSING, BLOWER 305 94513 SCREW, SEMS, AIR CLEANER 306 224324 SHIELD, CYLINDER 307 94515 SCREW HEX HD 332 92284 NUT, FLYWHEEL 333 802574 ARMATURE, MAGNETO 334 93381 SCREW, SEM, ARMATURE MOUNTING 337 802592 PLUG, SPARK 356 398808 WIRE, GROUND 358 493263 GASKET SET 363 19069 PULLEY, FLYWHEEL 383 89838 WRENCH SPARK PLUG 455 224250 CUP, STARTER 456 224321 RETAINER, REWIND STARTER 459 492833 PAWL, STARTER 461 262626 PIN, STARTER 515 262625 SPRING, TORSION 523 493950 CAP WITH DIPSTICK 524 280393 SEAL, FILLER TUBE 525 493952 TUBE OIL FILLER 529 280943 GROMMET BREATHER 562 92613 BOLT, GOVERNOR LEVER 572 224328 BAFFLE, CYLINDER 592 231082 NUT, HEX 601 93807 CLAMP HOSE 608 493295 STARTER ASSY REWIND
94128 SCREW, HEX HEAD
92987 NUT, HEX
613 94231 SCREW, HEX HEAD 615 94474 FASTENER 616 262578 CRANK, GOVERNOR 617 270344 SEAL, FUEL INTAKE TUBE 618 262749 SPRING CHOKE REWIND 620 493894 BRKT ASSY 621 396847 SWITCH, STOP
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