REPAIR PARTS
12.5 HP 38" TRACTOR - - MODEL NUMBER 917,256930
BRIGGS & STRATTON ENGINE - MODEL NUMBER 286707, TYPE NUMBER
KEY PART NO. NO.
1490450
2 399265
3391086
5494240
7271866
8 391406
9 27803
1094621
tl 280100
12271916
271997
271996
13 94622
15 94239
16 495162
94196
18494238
20 291675
22 94624
23 492326
24222698
25394661
394662
394663
394664
26391780
392331
391781
391782
391783
27260924
28299691
391286
29490348
490469
31222299
3292909
33262246
34262247
3565906
3626828
37224502
40221596
41292260
4293630
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| KEY | PART |
| DESCRIPTION |
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DESCRIPTION |
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| NO. | NO. |
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Cylinder | Assembly |
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| 45 | 262248 |
| Tappet*Valve |
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Bearing, | Cylinder | (Requires Special | 46 | 212897 |
| Gear, Cam |
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Tools | For Installation) |
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| 51 | 272465 | *** Gasket, | Carburetor |
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Seal, | Oil |
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| 272554 |
| (Carburetor | to Etbow) | |||||||
Head, Cylinder |
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| 52 | * Gasket, | Carburetor |
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Gasket, |
| Cylinder | Head |
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| 94637 |
| (Elbow | to Cylinder) |
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Breather | Assembly |
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| 53 |
| Stud, Carburetor | Mounting | |||||||||||
Gasket, |
| Valve | Cover |
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| 75 | 224061 |
| Washer, | Spring |
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Screw, | Seres |
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| 78 | 93805 |
| Screw, | Sems |
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Tube, | Breather |
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| 95 | 94098 | ** Screw, | Throttle |
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Gasket, |
| Crankcase | Cover | 1/64" | 98 | 495800 |
| Screw, | Idle Speed |
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Gasket, Crankcase Cover ..005" | 104 | 231789 | ** Pin, Float | Hinge |
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Gasket, |
| Crankcase | Cover | .009" | 105 | 231855 | ** Valve Assembly, | Inlet Needle | |||||||||||
Screw, | Cylinder | Head | 3" |
| 106 | 231854 |
| Inlet Valve |
| Seat |
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Plug, | Oil | Drain |
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| 108 | 224540 |
| Valve, | Choke |
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Crankshaft |
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| 118 | 494383 | ** Valve, | Needle |
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Key, | Timing Gear |
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| !21 | 495799 |
| Carburetor |
| Overhaul | Kit | ||||||||
Base, | Engine |
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| 94616 |
| (includes | items marked ** and ***) | ||||||||
Seal, | Oil |
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| 123 |
| Screw, | Elbow | Mounting | |||||||
Screw, | Sems, | Base Mounting | 125 | 495706 |
| Carburetor |
| Assembly |
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Flywheel | and Ring | Gear Assembly, | 127 | 224539 | ** Plug, Welch | (Sold in Kit Only) | |||||||||||||
Magneto |
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| 130 |
| Valve, | Throttle |
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Key, | Flywheel |
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| 131 | 494379 |
| Shaft | and | Lever, | Throttle | ||||||
Piston | Assembly, | Standard |
| 133 | 494381 |
| Float, Carburetor |
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Piston | Assembly | .010" | Oversize | 137 | 281165 | *** Gasket, | Float | Bowl |
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Piston | Assembly | .O20" Oversize | 138 | 281164 | *** Washer, | Float | Bowl | Screw | |||||||||||
Piston | Assembly | .030" | Oversize | 141 | 494380 | ** Shaft and Lever, | Choke | ||||||||||||
Ring | Set, Piston, | Standard |
| t42 | 494537 | ** Nozzle/Jet, | Carburetor | ||||||||||||
Ring | Set, Piston, | Chrome, | Standard |
| 494499 |
| High Altitude | Kit: |
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Ring | Set, Piston | .010" | Oversize |
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| 231796 |
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| Pilot Jet, | High Altitude | ||||||||
Ring | Set, Piston | ,020" | Oversize |
| 231794 |
| 281164 |
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| Seal, | Bowl Screw | ||||||||
Ring | Set, Piston | .030" | Oversize | 147 | ** Pilot, | ,Jet |
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Lock, | Piston Pin |
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| 164 | 213819 |
| Carburetor, | Elbow |
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Pin Assembly, | Piston, | Standard | 171 | 281051 |
| Nut, Air Cleaner | Mounting | ||||||||||||
Pin Assembly, | Piston | .005" Over | 187 | 393815 |
| Line, | Fuel, | 11" (Cut To Suit) | |||||||||||
Rod Assembly, | Connecting |
| 188 | 93535 |
| Screw, | Sems | 3/4" |
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Rod Assembly, | Connecting |
| 201 | 262767 |
| Link, Governor |
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.020" | Undersize | Crankpin | Bore | 209 | 260871 |
| Spring, | Governor |
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Lock, | Connecting |
| Rod Screw | 216 | 262766 |
| Link, Choke |
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Screw, | Connecting | Rod |
| 2't9 | 490815 |
| Oil Slinger, | Governor,Gear and | |||||||||||
Valve, | Exhaust |
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| Bracket | Assembly |
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Valve, | Intake |
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Spring, | Intake Valve |
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| * | Included | in Gasket Set (494241) |
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Spring, | Exhaust | Valve |
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| ** | Included | in Carburetor | Overhaul | Kit (495799) | ||||||||||
Guard, | Flywheel |
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| *** | Included | in both Carburetor |
| Overhaul | Kit (495799) | ||||||||
Retainer, | Intake Valve |
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| and Carburetor | Gasket | Set (494385) |
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Rotocoi!, | Exhaust | Valve |
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Retainer, | Exhaust | Valve Rotocoif | NOTE: All component dimensions | given | in U,,S_inches | ||||||||||||||
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| 1 inch = 2&4 | mm |
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51
