OMC parts 800 / Cobra outdrive drawings * How to videos

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OMC Parts / 400-800 lower unit pressure testing video

How do I pressure test my OMC 400-800 sterndrive

  • Make the pressure testing-tool
  • Pressure test my OMC 400-800 sterndrive
  • Placing shift cable in-hose
  • 5/8 inch shift cable size
  • Seal-and clamp hose on shift cable
  • Checking for leaks
  • Removing bearing carrier on the boat

 

 
Outboard lower unit oil pump

Oil pump $12.29

Outboard lower unit oil pump

 
How do I pressure test my OMC sterndrive
How do I pressure test my OMC sterndrive

Need OMC outdrive tools not listed below please see the following on line stores.

Pressure testing equipment or rad pressure test kit are available princess auto.com in Canada and harbor freight.com in the United States.

Please contact order desk for oil pump availability.

22020

22020

P/N 22020 Upper housing ball gear must have loctite on shaft tapper area or unit will fail pressure test
/ 908069 $130.15
For complete ball gear kit

upper gearcase parts removal and shimming

87650 1973-1985 seal kit

87650 1973-1985 seal kit

Note loctite must be used on oil seal and retainers to stop leaking both in test and when using outdrive in the water

Parts included in seal kit for upper gearcase pressure testing:

3 O-ring 82250
4 O-ring 82250
4 O-ring 82140
5 Quad ring 42140
6 Quad ring 41120
10 O-ring 82350
11 Oil seal 86080
13 Nut 22330
14 Cover 22030
15 Gasket 34180
16 Gasket 33050
17 Lock nut 22310
18 O-ring 82360
20 Oil seal 86090
22 Shaft seal 86100
24 O-ring 82520
29 O-ring 80220

P/N 87650 Seal kit / 982949 $53.09