230 Wake Engine / RPM issues

[230-Wake]

Hi all, looking for some advice on where to start troubleshooting my problem.

I have a 2010 230 Wake with dual 255 HP engines.

So I took this boat on the water today after it being almost 2 years in storage. ( it ran fin before it was stored and it was stored properly )

At almost 50% throttle, 1 engine seems to hit top end of rpm band ( according to tach 8500rpm + actual sound I hear between the 2 engines ). With the same throttle position, the other engine is revving at 4500-5000rpm. The boat wont hit more than 25km/hr, obviously.

I dont have a service history or if / when superchargers were rebuilt. Boat had 123 hours on it when I purchased it 3 years ago, and I did about 40 hours on it the first year.

Looking for advice on where I should start.

Thanks !

 

[JBoss]

Sounds like maybe cavitation? I’d check the carbon ring

 

[ID62]

Check your injectors, had the same issue in June. Lost RPMs on one engine, but it was fine after cleaning.

 

[Iceman_cb]

Not sure if its the same from the 09 to the 2010 but i had the perfect pass cable break on the stb engine, so the stb engine would not rev till will well over 1/2 throttle then it would only hit 4500rpm while the port engine hit full rpm.

 

[230-Wake]

Thanks for the replies everyone.

I did the supercharger maintenance just in case ( I had to do it during the winter anyways )

At the same time I changed all the spark pugs.

Not sure which one solved my issue, but now both engines rev pretty much the same ( less then 500 rpm off )

 

[gazzaskirepair]

It’s always a good idea to start of a season with an oil change and new set of spark plugs as the minimum to do

 

[Jasonmanes]

I had this issue and it was the supercharger, one washer had failed so it wouldn’t create boost, leaning towards that on yours.

 

[Premix]

It’s very easy to swap entire fuel rails from port to starboard engines. The hardest thing about removing a fuel rail is cutting the zip ties. It’s a cakewalk.

 

[gazzaskirepair]

The problem is solved