Model # BF-MS2833E Official Onan engine

Here are the diagrams and repair parts for Official Onan BF-MS2833E engine, 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 250 parts |

#20

Fuel system group diagram

Pre-clner

Part #140-1259

Replaced by #45-083-01-S

This item is not returnable

$7.29 |

12% OFF Phone Price : $8.29

In Stock

Qty

#28

Govrnr, strtr, charging altrntr & lwr hsng group diagram

Washer

Part #526-0113

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

Lock 5/16" - code 21bj, 21bk, 21bw

Part #850-0045

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

#13

Fuel system group diagram

Element

Part #140-1216

Replaced by #45-083-02-S

This item is not returnable

$25.09 |

19% OFF Phone Price : $31.09

In Stock

Qty

#29

Cylinder block group diagram

Flat washer

Part #526-0122

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

#18

Govrnr, strtr, charging altrntr & lwr hsng group diagram

Flat washer

Part #526-0214

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

Cylinder block group diagram

Flat washer

Part #526-0018

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

#NI

All parts diagram

Engine 18

Part #B48M-3819A

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

#NI

All parts diagram

Brush

Part #191-1041

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

Starter parts group diagram

Drive assembly

Part #191-1036

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.

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Why won't my pressure washer mix in the detergent?

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Why is smoke coming from the pressure washer's exhaust?

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

Why does my pressure washer's engine lose power?

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Why is the spray from my pressure washer weak?

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Why doesn't my pressure washer recoil starter work?

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

Why won't my pressure washer engine start?

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Why does water spray out of my pressure washer's pressure relief valve?

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

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How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty

Time required

120 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 difficulty

Time required

45 minutes or less

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty

Time required

15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

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Top questions about Sears and Sears PartsDirect

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Model # BF-MS2833E Official Onan engine

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas pressure washers

Why won't my pressure washer mix in the detergent?

Why is smoke coming from the pressure washer's exhaust?

Why won't the pressure washer starter rope retract?

Why does my pressure washer's engine lose power?

Why is the spray from my pressure washer weak?

Why doesn't my pressure washer recoil starter work?

Why does my pressure washer spray too hard?

Why won't my pressure washer engine start?

Why does water spray out of my pressure washer's pressure relief valve?

Repair guides for gas pressure washers

How to install a pressure washer check valve kit

How to install a pressure washer O-ring kit

How to install a pressure washer chemical injection kit

Effective articles & videos to help repair your lawn & garden engines

Top questions about Sears and Sears PartsDirect

What are the main components of a lawn mower?

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