AYP 850-00270 Parts List

850-00270 (1999 & Before) Page 1 of 24
BELT GUARD, PULLY ASSY

850-00270 (1999 & Before) Page 2 of 24
BELT GUARD, PULLY ASSY

Ref # Part Number Qty Description

1 23230506 SET SCREW
2 130811 SUB= 532130811
3 122955X BRKT ASSY
4 72140404 BOLT
5 74770812 SCREW
6 121463X KEEPER BELT
7 104213X NUT-CAP TI
8 19091016 WASHER

9 131157X473 "GUARD, BELT"
10 109227X PAD IDLER TI
11 72140406 BOLT T
12 9179R SUB= TH3H390
13 2649M KEY T
14 9174R TRANS SHEAVE RT
15 132213 SUB= 532132213
16 12000036 KLIP RING TI
17 73350600 NUT
18 9178R SUB= 75673
19 674A30 IDLER ARM TI
20 74760620 SUB= 74780620
21 106968X SHAFT IDLER TI
22 105358X SHIELD-DIRT TI
23 10040400 LOCKWASHER
24 573220400 NUT, HEX
25 73350500 JAM NUT TI

850-00270 (1999 & Before) Page 3 of 24
DECALS

850-00270 (1999 & Before) Page 4 of 24
DECALS

Ref # Part Number Qty Description

1 137447 DECAL.PNL.CNT

2 1374148 DECAL, HP

3 137450 DECAL.GUARD.BELT

4 110594X DECAL TI

5 120431X DECAL TI

6 110593X SUB= 121858X

7 126230X "DECAL,ENG HP"

8 120075X DECAL TI

137169 MANUAL.O850-00270

850-00270 (1999 & Before) Page 5 of 24
ENGINE

850-00270 (1999 & Before) Page 6 of 24
ENGINE

Ref # Part Number Qty Description

1 494549 CYLINDER ASSEMBLY

2 293708 BUSHING, CYLINDER

3 299819 SEAL, OIL

5 213942 HEAD, CYLINDER

7 272536 GASKET, CYLINDER HEAD

8 294178 BREATHER, VALVE CHAMBER

9 27549 GASKET, VALVE COVER
10 93394 SCREW, SEMS, BREATHER, MOUNTING
11 66578 GROMMET, BREATHER TUBE
12 270833 GASKET, CRANKCASE, STANDARD .015"

270895 GASKET, CRANKCASE .005"

270896 GASKET, CRANKCASE .009"
13 93111 SCREW, CYLINDER HEAD
15 94387 PLUG OIL DRAIN

93448 PLUG, PIPE, HEX SOCKET
16 492880 CRANKSHAFT
18 230978 CRANKSHAFT GEAR PIN
19 394820 BUSHING, CRANKCASE COVER
20 293708 BUSHING, CYLINDER
21 299819 SEAL, OIL
23 66768 PLUG, OIL FILLER
24 296884 KEY, FLYWHEEL
25 222698 KEY, FLYWHEEL

298904 PISTON ASSEMBLY, STANDARD

298905 PISTON ASSEMBLY .010" OVERSIZE

298906 PISTON ASSEMBLY .020" OVERSIZE

298907 PISTON ASSEMBLY .030" OVERSIZE
26 298982 RING SET, PISTON, STANDARD

298983 RING SET, PISTON .010" OVERSIZE

298984 RING SET, PISTON .020" OVERSIZE

298985 RING SET, PISTON .030" OVERSIZE
27 26026 LOCK, PISTON PIN
28 298909 PIN ASSY, PISTON, STD

298908 PIN ASSEMBLY, PISTON .005" OVERSIZE
29 294367 ROD ASSEMBLY, CONNECTING

296079 ROD ASSEMBLY, CONNECTING .020" UNDERSIZE

CRANKPIN

30 220670 DIPPER, CONNECTING ROD
32 94404 SCREW, CONNECTING ROD
33 296676 VALVE, EXHAUST
34 296677 VALVE, INTAKE
35 260552 SPRING, INTAKE VALVE
37 224557 GUARD, FLYWHEEL
40 93312 RETAINER, VALVE SPRING
45 230173 TAPPET, VALVE
46 493747 GEAR, CAM
52 271936 GASKET, INTAKE ELBOW MOUNTING
53 94523 SCREW, EXHAUST
56 280439 PULLEY, STARTER
57 490179 SPRING, REWIND STARTER
58 280406 ROPE, REWIND STARTER
60 393152 HANDLE, REWIND STARTER
66 399671 CLUTCH ASSEMBLY, REWIND STARTER
67 394897 HOUSING, STARTER CLUTCH
68 63770 BALL, CLUTCH
70 298799 RATCHET, REWIND STARTER
71 394506 WASHER, CLUTCH RETAINER

850-00270 (1999 & Before) Page 7 of 24
ENGINE

Ref # Part Number Qty Description

73 221661 SCREEN, REWIND STARTER
74 93758 SCREW, SEMS
75 223047 WASHER, SPRING
90 492645 CARBURETOR ASSEMBLY
95 93499 SCREW
96 223793 THROTTLE, CARBURETOR
97 490371 SHAFT AND LEVER, THROTTLE

108 490495 VALVE GROUP, CHOKE
118 231533 VALVE, NEEDLE
124 94616 SCREW, ELBOW MOUNTING
127 220352 PLUG, WELCH

127A 223789 PLUG, WELCH

149 26336 SPRING, NEEDLE VALVE
152 260575 SPRING, THROTTLE ADJUSTMENT
153 490501 SCREW, CARBURETOR CAM AND LEVER
154 93527 SCREW, MACHINE, ROUND HEAD
156 492905 LEVER, SPEED ADJUSTER, FIXED SPEED
163 271935 GASKET, AIR CLEANER MOUNTING
180 495377 TANK ASSEMBLY, FUEL
181 494559 CAP, FUEL TANK
190 94712 SCREW, FUEL TANK
191 272489 GASKET, FUEL TANK TO CARBURETOR
200 495213 BLADE, GOVERNOR
201 262325 LINK, AIR VANE GOVERNOR
209 262317 SPRING, AIR VANE GOVERNOR
216 262359 LINK, CHOKE
222 490649 PANEL, CONTROL
298 220859 LOCKNUT, MUFFLER
299 493288 MUFFLER, EXHAUST
305 94608 SCREW, SEMS

305A 93777 SCREW, HEX HEAD BACK PLATE TO CYLINDER

306 224555 SHIELD, CYLINDER
307 93758 SCREW, SEMS
308 224556 COVER, CYLINDER HEAD
333 398593 ARMATURE, MAGNETO
334 93381 SCREW, SEM, ARMATURE MOUNTING
337 802592 PLUG, SPARK
346 93705 SUB= 69485
356 398808 WIRE, GROUND
358 494550 GASKET SET
363 19069 PULLEY, FLYWHEEL
383 89838 WRENCH SPARK PLUG
392 262328 SPRING, FUEL PUMP DIAPHRAGM
394 270026 DIAPHRAGM
634 271853 WASHER, THROTTLE SHAFT, FOAM
433 93265 PIN, DIAPHRAGM COVER
434 210959 COVER, DIAPHRAGM
435 93141 SCREW, DIAPHRAGM
467 280715 KNOB, CONTROL
526 280715 KNOB, CONTROL
527 94408 SCREW SEMS TANK BRKT MOUNT
528 231527 TUBE, BREATHER
529 67838 GROMMET, BREATHER TUBE
536 494279 AIR CLEANER KIT
541 22398 WASHER, SPEED ADJUSTER LEVEL
542 94269 SCREW, AIR CLEANER
608 491046 STARTER ASSEMBLY, REWIND
611 391813 FUEL PIPE AND CLIP ASSEMBLY

850-00270 (1999 & Before) Page 8 of 24
ENGINE

Ref # Part Number Qty Description

621 396847 SWITCH, STOP
635 66538 ELBOW, SPARK PLUG
676 393756 DEFLECTOR, MUFFLER
679 270382 WASHER, FOAM
680 221839 WASHER, BRASS
741 261533 GEAR, TIMING
779 262276 LINK, CONTROL
851 221798 TERMINAL, IGNITION CABLE
864 492232 ADAPTER ASSEMBLY, MUFFLER
869 211172 SEAT, INTAKE VALVE, STANDARD
870 211291 SEAT, EXHAUST VALVE, STANDARD
871 262001 GUIDE, EXHAUST VALVE

63709 GUIDE, INTAKE VALVE

883 272203 GASKET, MUFFLER
966 492797 BASE, AIR CLEANER
967 491588 SUB= 3364
968 223765 COVER, AIR CLEANER
969 490073 SCREW, COVER MOUNTING
971 94018 SCREW, AIR CLEANER
987 398970 SEAL, THROTTLE SHAFT
995 223887 BRACKET, CONTROL LINK

1016 490817 SPACER