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Sears 502457291 20" moto-cross bicycle Parts
Here are the diagrams and repair parts for Sears 502457291 20" moto-cross bicycle, as well as links to manuals and error code tables, if available.
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Browse Parts for 502457291 20" Moto-Cross Bicycle
Shimano rear hub diagram
Hub Cone
Part #300403
The manufacturer no longer makes this part, and there's no substitute part
Unit parts diagram
Frame
Part #34162BEK
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Hub Comp 28h
Part #34076PA
The manufacturer no longer makes this part, and there's no substitute part
Unit parts diagram
Rr Fender
Part #32708
The manufacturer no longer makes this part, and there's no substitute part
Unit parts diagram
Chain Guard
Part #34154BEK
The manufacturer no longer makes this part, and there's no substitute part
Unit parts diagram
Saddle
Part #98X122
The manufacturer no longer makes this part, and there's no substitute part
Shimano rear hub diagram
Sprocket
Part #300425
The manufacturer no longer makes this part, and there's no substitute part
Shimano rear hub diagram
Retainer
Part #300020
The manufacturer no longer makes this part, and there's no substitute part
Shimano rear hub diagram
Driver
Part #300470
The manufacturer no longer makes this part, and there's no substitute part
Shimano rear hub diagram
Brake Shoe
Part #300466
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas pressure washers
Choose a symptom to see related pressure washer repairs.
Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…
Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…
Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter…
Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…
Main causes: faulty unloader valve, bad pressure regulator…
Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…
Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…
Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…
Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…
Repair guides for gas pressure washers
These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.
How to replace a pressure washer pump
The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…
Repair time and Difficulty
15 minutes or less
How to install a pressure washer O-ring kit
O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…
Repair time and Difficulty
45 minutes or less
How to replace a pressure washer unloader valve
The unloader valve recirculates water to protect the pump from damage. If the unloader valve is defective, replace it us…
Repair time and Difficulty
15 minutes or less
Articles and videos for gas pressure washers
Use the advice and tips in these articles and videos to get the most out of your pressure washer.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.…
See what you can learn from the questions that people most often ask our experts about their pressure washers.…
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