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850-4904
Parts List
19 pgs127.02 Kb0

AYP 850-4904 Parts List

850-4904 (1999 & Before) Page 1 of 19 ENGINE PARTS ILLUSTRATION
850-4904 (1999 & Before) Page 2 of 19 ENGINE PARTS ILLUSTRATION
Ref # Part Number Qty Description
1 493260 CYLINDER ASSY 2 293708 BUSHING, CYLINDER 3 393862 SEAL,OIL 5 213610 HEAD CYLINDER 7 272200 GASKET CYLINDER HEAD 8 399717 BREATHER VALVE CHAMBER 9 271904 GASKET, VALVE COVER
9A 272238 GASKET, BAFFLE PLATE
10 94222 SCREW, SEMS, BREATHER MOUNTING 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
22A 94268 SCREW, HEX HEAD
23 492175 FLYWHEEL 24 222698 KEY, FLYWHEEL 25 493262 PISTON ASSY STANDARD SIZE
493385 PISTON ASSY
493386 PISTON ASSY
493387 PISTON ASSY 23 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 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
74 93490 SCREW, HEX HEAD 81 223664 LOCK, MUFFLER SCREW 95 94098 SCREW, THROTTLE 98 398185 SCREW IDLE ADJ
104 231371 PIN, FLOAT HINGE 108 223471 VALVE CHOKE
850-4904 (1999 & Before) Page 3 of 19 ENGINE PARTS ILLUSTRATION
Ref # Part Number Qty Description
116 UNKNOWN CHECK WITH SUPPLIER 118 493765 VALVE AND SPRING NEEDLE 121 493762 CARB OVERHAUL KIT 124 94525 SCREW, CARBURETOR MOUNTING 125 494217 CARB ASSY 127 REFER TO IMAGE 130 223470 VALVE THROTTLE 131 493267 SHAFT, THROTTLE 133 398187 FLOAT, CARBURETOR 134 398188 VALVE, INLET 137 REFER TO IMAGE 141 494218 SHAFT CHOKE 163 272296 GASKET, AIR CLEANER 187 492791 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
305A 94510 STUD, STATOR MOUNTING
306 224324 SHIELD, CYLINDER 307 94515 SCREW HEX HD 309 494233 STARTER, ELECTRIC 310 94051 SCREW, HEX, WASHER HEAD 332 92284 NUT, FLYWHEEL 333 802574 ARMATURE, MAGNETO 337 802592 PLUG, SPARK 356 398808 WIRE, GROUND 358 493263 GASKET SET 363 19069 PULLEY, FLYWHEEL 383 89838 WRENCH SPARK PLUG 423 93758 SCREW, SEMS 455 224250 CUP, STARTER 456 224321 RETAINER, REWIND STARTER 459 492833 PAWL, STARTER 461 262626 PIN, STARTER 474 492841 STATOR ASSEMBLY 510 494147 DRIVE KIT, STARTER 513 394815 CLUTCH ASSEMBLY, STARTER 515 262556 SPRING PAWL
515A 262625 SPRING, TORSION
523 493950 CAP WITH DIPSTICK 524 280393 SEAL, FILLER TUBE 525 493952 TUBE OIL FILLER 529 280393 SEAL, FILLER TUBE 544 492921 ARMATURE ASSEMBLY 548 492919 WASHER SET, STARTER 562 92613 BOLT, GOVERNOR LEVER 572 224328 BAFFLE, CYLINDER 592 231082 NUT, HEX 601 93053 CLAMP, HOSE, GREEN 608 93807 CLAMP HOSE
850-4904 (1999 & Before) Page 4 of 19 ENGINE PARTS ILLUSTRATION
Ref # Part Number Qty Description
613 493495 STARTER ASSEMBLY, REWIND 615 94231 SCREW, HEX HEAD 616 94474 FASTENER 617 262578 CRANK, GOVERNOR 618 270344 SEAL, FUEL INTAKE TUBE 620 262749 SPRING CHOKE REWIND 621 493894 BRKT ASSY 625 396847 SWITCH, STOP 628 492717 TUBE FUEL INTAKE 634 493295 STARTER ASSY REWIND 635 REFER TO IMAGE 670 66538 ELBOW, SPARK PLUG
670A 280512 SPACER, FUEL TANK
741 493823 SPACER, BRACKET 782 262598 GEAR, TIMING 783 281127 PINION, STARTER 784 261606 GEAR, PINION 789 272201 GASKET, COVER 801 493380 HARNESS ASSEMBLY, WIRE 802 492335 BRACKET ASSEMBLY, STARTER 803 492922 HEAD ASSEMBLY, STARTER 842 492920 SHELL AND MAGNET ASSEMBLY, STARTER 847 280966 SEAL, O-RING 851 493459 DIPSTICK AND TUBE ASSY OIL FILLER 869 221798 TERMINAL, IGNITION CABLE 870 213512 SEAT, INTAKE VALVE 871 262001 GUIDE, EXHAUST VALVE
63709 GUIDE, INTAKE VALVE
922 262640 SPRING, BRAKE 923 493442 BRAKE ASSEMBLY 935 398758 BRACKET AND SWITCH ASSEMBLY 937 281125 SPLINE, STARTER 938 93941 RETAINER, LOCK 949 281136 GUARD FINGER 955 493869 SCREW, BOWL MOUNTING 957 397974 CAP, FUEL TANK 966 492363 BASE AIR CLEANER 967 491588 SUB= 3364 968 281069 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
850-4904 (1999 & Before) Page 5 of 19 ENGINE PARTS ILLUSTRATION
850-4904 (1999 & Before) Page 6 of 19 ENGINE PARTS ILLUSTRATION
Ref # Part Number Qty Description
1 493260 CYLINDER ASSY 2 293708 BUSHING, CYLINDER 3 393862 SEAL,OIL 5 213610 HEAD CYLINDER 7 272200 GASKET CYLINDER HEAD 8 399717 BREATHER VALVE CHAMBER 9 271904 GASKET, VALVE COVER
9A 272238 GASKET, BAFFLE PLATE
10 94222 SCREW, SEMS, BREATHER MOUNTING 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
22A 94268 SCREW, HEX HEAD
23 492175 FLYWHEEL 24 222698 KEY, FLYWHEEL 25 493262 PISTON ASSY STANDARD SIZE
493385 PISTON ASSY
493386 PISTON ASSY
493387 PISTON ASSY 23 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 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
74 93490 SCREW, HEX HEAD 81 223664 LOCK, MUFFLER SCREW 95 94098 SCREW, THROTTLE 98 398185 SCREW IDLE ADJ
104 231371 PIN, FLOAT HINGE 108 223471 VALVE CHOKE
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