Sears
Cycling

Model # 50745703 Official Sears 20" boys' bicycle

Here are the diagrams and repair parts for Official Sears 50745703 20" boys' bicycle, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 45 parts  |

Deraillr,r 3C3418-A01
#21

Unit parts diagram

Deraillr,r

Part #3C3418-A01

The manufacturer no longer makes this part, and there's no substitute part

Tube 16224
#8

Unit parts diagram

Tube

Part #16224

The manufacturer no longer makes this part, and there's no substitute part

Pedal Pair 3C2073-A01
#37

Unit parts diagram

Pedal pair

Part #3C2073-A01

The manufacturer no longer makes this part, and there's no substitute part

Shifter Lh 3C4624-A01
#23

Unit parts diagram

Shifter lh

Part #3C4624-A01

The manufacturer no longer makes this part, and there's no substitute part

Shifter Rh 3C4625-A01
#20

Unit parts diagram

Shifter rh

Part #3C4625-A01

The manufacturer no longer makes this part, and there's no substitute part

Sprocket 3C3421-A01
#33

Unit parts diagram

Sprocket

Part #3C3421-A01

The manufacturer no longer makes this part, and there's no substitute part

Kickstand 2C5614
#9

Unit parts diagram

Kickstand

Part #2C5614

The manufacturer no longer makes this part, and there's no substitute part

Seat Mast 3C2503

#NI

All parts diagram

Seat mast

Part #3C2503

The manufacturer no longer makes this part, and there's no substitute part

Spoke Prct 3C0632-A01
#32

Unit parts diagram

Spoke prct

Part #3C0632-A01

The manufacturer no longer makes this part, and there's no substitute part

Rim 3C3303
#6

Unit parts diagram

Rim

Part #3C3303

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

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How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

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Repair difficulty
Time required
 15 minutes or less

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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A blade obstruction, bad recoil starter or locked-up engine can prevent the pull cord on your mower from working. See ho…