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TRACTOR - - MODEL NUMBER YTH2042 (289610)
BRIGGS ENGINE - MODEL NUMBER 331777, TYPE NUMBER 1372-B1
KEY PART
NO. NO. DESCRIPTION
KEY PART
NO. NO. DESCRIPTION
1 796010 Cylinder Assembly
2 399265 Bushing/Seal Kit (Magneto Side)
3 • 391086s Seal-Oil (Magneto Side)
4 697106 Sump-Engine
5 796025 Head-Cylinder
7 •♦ 796584 Gasket-Cylinder Head
11 794683 Tube-Breather
12 • 697110 Gasket-Crankcase
13 793988 Screw (Cylinder Head)
15 690946 Plug-Oil Drain
16 797579 Crankshaft
20 • 795387 Seal-Oil (PTO Side)
22 692125 Screw (Crankcase Cover/Sump)
23 698281 Flywheel
24 222698s Key-Flywheel
25 796172 Piston Assembly (Standard)
796173 Piston Assembly (.020” Oversize)
26 791936 Ring Set (Standard)
792649 Ring Set (.020” Oversize)
27 698469 Lock-Piston Pin
28 796007 Pin-Piston
29 794122 Rod-Connecting
32 791118 Screw (Connecting Rod)
33 792868 Valve-Exhaust
34 791935 Valve-Intake
35 691279 Spring-Valve (Intake)
36 691279 Spring-Valve (Exhaust)
37 697352 Guard-Flywheel
42 499586 Keeper-Valve
43 691968 Slinger-Governor/Oil
45 690564 Tappet-Valve
46 793880 Gear-Cam
48 697761 Short Block
50 796180 Manifold-Intake
51•♦♣ 692137 Gasket-Intake
51A 796081 Gasket-Intake
53 690227 Stud (Carburetor)
54 691148 Screw (Intake Manifold)
78 691003 Screw (Flywheel Guard)
94 793610 Kit-Idle Mixture
95 690718 Screw (Throttle Valve)
98 695408 Kit-Idle Speed
104 ♣ 694918 Pin-Float Hinge
105 ♣ 696136 Valve-Float Needle
108 695419 Valve-Choke
117 843099 Jet-Main (Standard)
118 790890 Jet-Main (High Altitude)
121 796184 Kit-Carburetor Overhaul
125 796109 Carburetor
127 ♣ 690727 Plug-Welch
130 699500 Valve-Throttle
131 699501 Kit-Throttle Shaft
133 694914 Float-Carburetor
135 698780 Tube-Fuel Transfer
137 ♣ 698781 Gasket-Float Bowl
141 792777 Kit-Choke Shaft
146 691639 Key-Timing
186 794873 Connector-Hose (Intake
Manifold)
187 791805 Line-Fuel (Formed) (Cut to
Required Length)
188 691693 Screw (Control Bracket)
192 691986 Adjuster-Rocker Arm
202 691841 Link-Mechanical Governor
209 692208 Spring-Governor (Green)
216 691840 Link-Choke
217 695409 Spring-Choke Return
222 694042 Bracket-Control
227 691374 Lever-Governor Control
232 691842 Spring-Governor Link
238 691843 Cap-Valve
240 394358s Filter-Fuel
265 691024 Clamp-Casing
267 794904 Screw (Casing Clamp)
276 695410 Washer-Sealing
304 796416 Blower Housing
305 697102 Screw (Blower Housing) (Long)
305A 793376 Screw (Blower Housing) (Short)
306 796006 Shield-Cylinder
307 691003 Screw (Cylinder Shield)
309 693551 Motor-Starter
310 690323 Screw (Starter Motor)
324 796308 Screen/Cup Assembly
333 795315 Armature-Magneto
334 691061 Screw (Magneto Armature)
337 491055s Plug-Spark
358 796187 Gasket Set-Engine
404 691691 Washer (Governor Crank)
415 690283 Plug (Intake Manifold)
415A 794129 Plug (Cover/Retainer)
431 697122 Elbow-Intake
445 698083 Filter-Air Cleaner Cartridge
462 691261 Washer (Starter Cable)
474 696459 Alternator
503 691532 Strap-Starter
505 691251 Nut (Governor Control Lever)
510 693699 Drive-Starter
513 692024 Clutch-Drive
523 699908 Dipstick
524 • 691032 Seal-Dipstick Tube
525 697184 Tube-Dipstick
544 Armature-Starter (Order Starter
Motor, Reference 309,
693551, for replacement)
552 697144 Bushing-Governor Crank
562 691119 Screw (Governor Control Lever)
579 691029 Nut (Starter Cable)
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