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Okuma
Lawn & Garden Engine

Model # 5.5 OHV Official Okuma engine

Here are the diagrams and repair parts for Official Okuma 55-OHV engine, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 113 parts  |
Valve Spring P54154
#66

Engine assembly diagram

Valve spring

Part #P54154

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

Exhaust Gasket P54590
#89

Engine assembly diagram

Exhaust gasket

Part #P54590

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

Snap Ring P54032
#14

Engine assembly diagram

Snap ring

Part #P54032

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

Oil Dipstick P54086
#37

Engine assembly diagram

Oil dipstick

Part #P54086

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

Bolt P54058
#24

Engine assembly diagram

Bolt

Part #P54058

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

Cylinder Head P54052
#22

Engine assembly diagram

Cylinder head

Part #P54052

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

Cylinder Head P54064
#27

Engine assembly diagram

Cylinder head

Part #P54064

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

Bolt P54598
#93

Engine assembly diagram

Bolt

Part #P54598

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

Crankshaft Assembly P54126
#54

Engine assembly diagram

Crankshaft assembly

Part #P54126

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

Lawn Mower Fuel Cap P54582
#85

Engine assembly diagram

Lawn mower fuel cap

Part #P54582

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

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