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Onan
Lawn & Garden Engine

Model # BF-MS3271E Official Onan engine

Here are the diagrams and repair parts for Official Onan BF-MS3271E 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 238 parts  |
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
Pre-clner 140-1259
#21

Fuel system group diagram

Pre-clner

Part #140-1259

Replaced by #45-083-01-S

?
Manufacturer substitution
This part replaces 140-1259. Substitute parts can look different from the original.
This item is not returnable
$7.29 | 
12% OFF Phone Price : $8.29
In Stock
Spring 150-1398
#11

Governor, starter, charging alternator & blower housing grp. diagram

Spring

Part #150-1398

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

Cap Screw 800-0056
#28

Gear cover, oil base and oil pump group diagram

Cap screw

Part #800-0056

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

Support 140-1198
#7

Fuel system group diagram

Support

Part #140-1198

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

Housing 134-2890
#4

Governor, starter, charging alternator & blower housing grp. diagram

Housing

Part #134-2890

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

Sleeve 142-0533
#2

Carburetor parts group diagram

Sleeve

Part #142-0533

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

Bearing 101-0432
#41A

Cylinder block group diagram

Bearing

Part #101-0432

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

Nipple 505-0755
#16

Fuel system group diagram

Nipple

Part #505-0755

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

Body 142-0532
#1

Carburetor parts group diagram

Body

Part #142-0532

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

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