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Onan
Lawn & Garden Engine

Model # BG-MS3270A Official Onan engine

Here are the diagrams and repair parts for Official Onan BG-MS3270A 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 267 parts  |
Pre-clner 140-1259
#20

Fuel system 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
Element 140-1216
#13

Fuel system 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
Gasket 160-1150
#12

Ignition group diagram

Gasket

Part #160-1150

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

Lawn & Garden Equipment Engine Carburetor Rebuild Kit 142-0570

#NI

All parts diagram

Lawn & garden equipment engine carburetor rebuild kit

Part #142-0570

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

Rod Assembly 114-0247
#14A

Crankshaft, flywheel, camshaft and piston group diagram

Rod assembly

Part #114-0247

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

Brker Cover 160-1176
#4

Ignition group diagram

Brker cover

Part #160-1176

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

Breather Tube 123-1277
#14

Cylinder block diagram

Breather tube

Part #123-1277

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

Pin 516-0072
#21

Cylinder block diagram

Pin

Part #516-0072

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

Gasket 122-0347
#35

Gear cover, oil base and oil pump group diagram

Gasket

Part #122-0347

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

Lawn & Garden Equipment Engine Washer 850-0038
#9

Ignition group diagram

Lawn & garden equipment engine washer

Part #850-0038

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

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