Bolens MTD7122B09 manual ~rNO.1, 412~200--~~

.--,--

PART

NO.

PARTS LIST FOR 281707-0411-01 ENGINE

FOR MODEL MTD7122BO9 LAWN TRACTOR

! REF.:	PART	'j
- --:---~rNO.1	NO.	..I
DESCRIPTION		DESCRIPTION
		-~	-

1490450

2399265

3391086

5 491491

7-271866

8391406

9*27803

1011 93394

280100

12-271916 *271996 *271997

1393723

1591084

16490466

18490452

20 291675

22 94305

23 492326

24222698

25394661

394662

394663

394664

26394665

391781

391782

391783

27260924

28299691

391"Q6

29490348

31222299

3292909

33262246

34262247

3565906

3626828

37223752

40221596

Cylinder Assembly

Bearing-Cylinder

Seal-Oil

Head-Cylinder

Gasket-Cylinder Head

Breather Assembly

I Gasket-Valve Cover

Screw-Sem

Tube-Breather

Gasket-Crankcase Cover-

1/64" Thick

Gasket-Cranl<case Cover-

.005" Thick

Gasket-Crankcase Cover-

.009" Thick

Screw-Cylinder Head

(3" long)

Plug-Oil Drain

Crankshaft

Note: Order Part Number

94196 for Timing Gear

Key.

Base-Engine

Seal-Oil

Screw-Base Mounting Sem

Flywheel and Ring Gear

Assembly-Magneto

Key-Flywheel

Piston Assembly-Standard

Piston Assembly-.010" O.S.

Piston Assembly-.020" O.S.

Piston Assembly-.030" O.S.

PISTON RING SET

l-Jote: For Chrome Ring Set-

Standard Size-Order No.

392331.

Ring Set-Piston-Standard

Ring Set-Piston-.010" O.S.

Ring Set-Piston-.020" O.S.

Ring Set-Piston-.030" O.S.

Lock-Piston Pin

Pin Assembly-Piston-

Standard

Pin Assembly-Piston-

.005" O.S.

Rod Assembly-Connecting

Note: For Connecting Rod

with .020" Undersize

Crankpin Bore-Order No.

490469

Lock-Connecting Rod Screw

Screw-Connecting Rod

Valve-Exhaust

Valve-Intake

Spring-Intake Valve

Spring-Exhaust Valve

Guard-Flywheel

Retainer-Intake Valves

412~200--~~

4293630 1 RetainerRot~~Exhaust-Exhaust Valve

, Rotocoil (2)

45 I 262248 I Tappet-Valve

46 212897 Gear-Cam

52 -270872 G.asket-Carburetor Mounting

78 93805 Screw-Sem

94 t292681 Valve Assembly-Carburetor Idle

9593499 Screw- Throttle and Choke Valve Mounting Sem

98 91920 Screw-Machine Fill. Hd.

8-32 x 5/8"

99 26157 Spring-Throttle Adjustment

101 93043 Pin-Throttle Stop

104 t230896 Pin-Float Hinge

108222010 Valve Choke

118396568 Valve-Needle

121 394698 Carburetor Overhaul Kit

123 93357 Screw-Carburetor Mounting

125 490472 Carburetor Assembly

126 490473 Body Assembly Carburetor

127t221997 Plug-Welch

128211960 Venturi-Carburetor

130222433 Valve-Throttle

131491006 Shaft and Lever- Throttle

132	211712	Stop-Throttle
133	299707	Float-Carburetor
134	t394681	Valve-Fuel	Inlet
136	221995t270511Bowl-Float
137		Gasket-Float	Bowl
138	t222014	Washer-Float	Bowl

141390684 Shaft and Lever-Choke

142t299740 Nozzle-Carburetor

147 t231323 Screw-Nozzle

171281051 Nut-Air Cleaner Mounting

186 67218 Connector-Fuel Pipe

187 393815 Line-Fuel

188 93535 Screw-Sem (3/4" Long)

201	262348 Link-Governor
209	260695	Spring-Governor

219490815 Oil Slinger. Governor Gear and Bracket Assembly

224 94018 Screw-Sem

225231058 Crank-Governor (V4" Dia.)

227490927 Lever Assembly-Governor

230	222450	Washer-Governor		Crank
232	260584	(V4" 1.0.)
		Spring-Governor		Link
240	298090	Filter-Fuel
257	93543	Screw-Control		Casing
265	221535	Clamp-Casing
284	93572
		Screw-Clamp	Mtg.
304	490689	Housing-Blower
305	93158	Screw-Blower		Housing
306	223715	Mounting	Sem
		Shield-Cylinder
307	93163	Screw-Cylinder		Shield
		Mounting	Sem

38