Onan
Lawn & Garden Engine

Model # 6CCK-331M/1887E Official Onan gas engine & generator

Here are the diagrams and repair parts for Official Onan 6CCK-331M-1887E gas engine & generator, 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 321 parts  |

Gauge, Oil Pressure 193-5
#5

Housing,stop button,grnd strap & pressure gauge group diagram

Gauge, oil pressure

Part #193-5

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

Bearing, Ball - Double Sealed - Pre-lubricated (30391) 510A47
#6

Generator group diagram

Bearing, ball - double sealed - pre-lubricated (30391)

Part #510A47

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

Screw, Throttle Stop Adjusting - #6-32 X 1/2" 812-63
#17

Carburetor parts group diagram

Screw, throttle stop adjusting - #6-32 x 1/2"

Part #812-63

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

Pin, Roll - Governor Cup Stop - Located In Gear Cover - 3/16" X 7/8" (replaces #516-117) 516-130
#6

Cylinder block, oil base & gear cover group diagram

Pin, roll - governor cup stop - located in gear cover - 3/16" x 7/8" (replaces #516-117)

Part #516-130

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

Spring, By-pass Valve 120A140
#4

Oil pump group diagram

Spring, by-pass valve

Part #120A140

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

Valve, Breather Tube 123A104
#45

Cylinder block, oil base & gear cover group diagram

Valve, breather tube

Part #123A104

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

Screw, Hex Head - 3/8-16 X 1" - Generator Adapter To Engine 800-50
#26

Generator group diagram

Screw, hex head - 3/8-16 x 1" - generator adapter to engine

Part #800-50

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

Screw, Bowl Cover - #10-24 X 5/8" 815-109
#1A

Carburetor parts group diagram

Screw, bowl cover - #10-24 x 5/8"

Part #815-109

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

Cushion, Mounting - Lower 402A38
#42

Cylinder block, oil base & gear cover group diagram

Cushion, mounting - lower

Part #402A38

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

Poleshoe, Magneto Stator 160A281
#7

Ignition group diagram

Poleshoe, magneto stator

Part #160A281

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

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