Onan
Lawn & Garden Engine

Model # BF-MS2666C Official Onan engine

Here are the diagrams and repair parts for Official Onan BF-MS2666C 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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Showing 10 of 236 parts  |

Pre-cleaner 140-1218
#21

Fuel system group diagram

Pre-cleaner

Part #140-1218

Replaced by #45-083-01-S

?
Manufacturer substitution
This part replaces 140-1218. Substitute parts can look different from the original.
This item is not returnable
$7.29
12% OFF Phone Price : $8.29
In Stock
Element 140-1216
#13

Fuel system group diagram

Element

Part #140-1216

Replaced by #45-083-02-S

?
Manufacturer substitution
This part replaces 140-1216. Substitute parts can look different from the original.
This item is not returnable
$25.09
19% OFF Phone Price : $31.09
In Stock
Gear 105-0353
#6

Crankshaft, flywheel, camshaft and piston group diagram

Gear

Part #105-0353

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

Gasket 145-0438
#3

Fuel system group diagram

Gasket

Part #145-0438

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

Screw 815-0104
#19

Governor, starter, charging alt. & blower housing group diagram

Screw

Part #815-0104

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

Ball 510-0014
#8

Gear cover, oil base and oil pump group diagram

Ball

Part #510-0014

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

Washer 526-0065
#25

Gear cover, oil base and oil pump group diagram

Washer

Part #526-0065

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

Spacer 191-1047
#5

Starter parts group diagram

Spacer

Part #191-1047

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

Gasket 110-1921
#10

Cylinder block group diagram

Gasket

Part #110-1921

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

Gasket 102-0693
#13

Gear cover, oil base and oil pump group diagram

Gasket

Part #102-0693

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

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty
Time required
 30 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace a defrost sensor in a side-by-side refrigerator

How to replace a defrost sensor in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost sensor could be at fault. You can …

Repair difficulty
Time required
 45 minutes or less

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