.--,--

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

Page 38
Image 38
Bolens MTD7122B09 manual ~rNO.1, 41 2~200--~~

MTD7122B09 specifications

The Bolens MTD7122B09 is a reliable and efficient garden tractor that caters to both residential and commercial users seeking a powerful machine for their lawn care needs. This model seamlessly blends user-friendly features and robust technologies, ensuring a seamless mowing experience.

One of the standout features of the Bolens MTD7122B09 is its powerful engine. Equipped with a reliable Briggs & Stratton engine, this tractor offers substantial horsepower and torque, allowing users to tackle even the toughest mowing tasks with ease. The engine is designed for durability and longevity, providing consistent performance year after year.

The cutting deck is another remarkable aspect of the MTD7122B09. With a 42-inch cutting width, it allows users to cover larger areas in less time, making it ideal for both small and medium-sized lawns. The deck features three blade cutting systems, allowing for precise cuts while providing a professional-looking finish. The ability to adjust the cutting height offers versatility, making it suitable for various grass types and terrains.

Comfort is a priority with the Bolens MTD7122B09, and this is reflected in its ergonomic seating and easy-to-use controls. The plush seat is designed to provide maximum comfort during long mowing sessions, while the conveniently located controls ensure users can operate the tractor effortlessly. The steering wheel is adjustable, catering to users of different heights.

In terms of technology, the Bolens MTD7122B09 incorporates innovative system features like a hydrostatic transmission, which delivers smooth shifting and eliminates the need for manual gear changes. This transmission technology enhances maneuverability, making it easy to navigate around obstacles in the yard.

Additionally, the tractor supports mulching capability, bagging, and side discharge, offering users multiple options for grass disposal. These features help maintain a tidy lawn while reducing the need for frequent clean-up.

For safety, the Bolens MTD7122B09 includes safety features such as an automatic shutdown when the operator leaves the seat, ensuring that the mower stops when it is no longer in control.

The Bolens MTD7122B09 is not just a lawn mower; it’s a robust gardening tool designed for efficiency and comfort. Its combination of powerful performance, user-friendly features, and innovative technology makes it an excellent choice for anyone serious about lawn care.