How to change Spark Plugs

[bengaltiger14]

I have Mercruiser Bravo 3 5.0L MPI. Is there an easy way to change these spark plugs? I cannot even get my hand to the #1 spark plug because it is so tight. Is there a trick to this?

 

[Oshkosh1]

Re: How to change Spark Plugs

Is there an easy way to change these spark plugs?

Yep...
Pull the engine.

Other than that...no real "easy" way to do it.

 

[bengaltiger14]

Re: How to change Spark Plugs

Ok. So basically I should just suck it up and shove my fat arm down there.

 

[Don S]

Re: How to change Spark Plugs

Some boats with a 5.0L Mercruiser you can see all the plugs and it's a 10 minute job, there really are some that you have to pull the engine on. One I used to work on took 5 hours to get the engine out. Putting it back in took longer. The boat design engineers could care less about maintenance.

 

[Bondo]

Re: How to change Spark Plugs

Ok. So basically I should just suck it up and shove my fat arm down there.

Ayuh,.... Welcome Aboard,... It's either that or remove some of the pieces, 'n parts that are in yer way....

 

[Capt Ken]

Re: How to change Spark Plugs

If you remove the cooling hose that goes to the bottom of the manifold and let it drop out of the way, you can get to the plug.

 

[Friscoboater]

Re: How to change Spark Plugs

I feel your pain!