Mercruiser Bravo Sterndrive Upper Unit Dis-assembly

How to dis-assemble and evaluate the condition of a Mercruiser Bravo Sterndrive upper unit.

MerCruiser Parts Diagrams & Catalogs

MerCruiser Sterndrive Diagrams & Catalogs

MerCruiser Technical Specifications

[TheCanyonwalls]

Great job guys on showing every step very nice

[FabianCharrua]

Nice work. What size thread is that you?screwed in to take shift shaft out?

[marklane]

Does the lower have to come off? to get the upper assembly out.

[AnthonyMyers]

Do you know the process to mate the double upper bearings to the u joint gear? I cannot find any information on this.

[marksanderson]

Have you ever seen any internal damage? Like from bravo 3 overheating? I’m having trouble reaching max speed at wot rpm. Had the boat in to the shop and they replaced the fuel pumps. Got it back same thing. When I type numbers in a prop slip calculator I’m getting 22%. I was advised my out drive is overheating and it needs to be looked at. 2003 cobalt 226 with 496 running 28p props

[PerfprotechMarineProducts]

Yes the next time we get a Bravo 3 needing the prop shaft seals replaced we will video that job.

[MrGeorgeferreira]

HI...What was the problem with this upper unit gear box if any? can you share it with us?thanks

[dannyrusso]

When re-assembling can the timing marks be aligned by looking from the front, instead of the rear cover? Also, is the yoke assembly supposed to just slide back into the carrier? Mine seems it might need the help of a good sized rubber mallet.

[garypeatling]

Have one keeps contaminating oil with water no visible oil leaks

[TheKnceoincusa]

Is this alpha 1 gen 1 or alpha 1 gen 2?