Sea Pro, Suzuki, and mounting holes

[hjanock]

Hi All,

Last year I had my Suz 140 mounted to my Sea Pro 190 in the 4th hole from the top. I thought I was getting
too much splash, so this year I asked the dealer to move it up one hole. After two test drives yesterday, I'm not sure
this was a good idea, as there might be even more splash than before; the problem is I haven't piloted my boat since
October, so it's hard to remember what it was like .

So, for those of you who have this boat & engine combo, in what hole is your engine mounted, and are you satisfied
with it?

And, for anyone else who has experience moving engines up & down in an effort to achieve the best and driest
performance, please chime in as well.

TIA,

Harry

[cgrand]

only advice i can offer is to get the cav plate up to where it's slightly higher than the lowest point of your transom/keel

less drag, better fuel economy, less strain on the motor, better speed
higher is better than lower, within reason

not sure what you mean by "too much splash"
at the proper height and trim, your cav plate should just be in the water, not submerged

[hjanock]

Thx.

I've got a real dumb question - *which* part is the cav plate

Sorry for my ignorance.

Anyone else have mounting input?

Harry J

[cgrand]

the cavitation plate is the "fin"...the widest part of your lower unit
it's the plate above your propeller

i had my yamF100 remounted so that the cav plate was about 3/4" above the keel
dramatically improved performance & effeciency

i am going to do the same with my df140 at the 20hr service next week

PS: go to the suzuki marine website
there are performance reports with a variety of boats that tell you which hole the motor is mounted on...may help a little

[hjanock]

Thanks cgrand for your clear explanation.

So... to which hole will you be moving?

Thanks,

Harry J

[cgrand]

you're welcome

currently i am mounted in the second hole from the top
i am going to move the motor up two holes, so that would put it in the fourth hole from the top, and my cav plate almost 1" above the keel

my boat has a notched 25" transom
hope that helps

[hjanock]

Great - that would be back to where mine was mounted previously .

I guess I'll live with it in the third hole from the top for a bit & see how it goes.

How involved is it to move it up & down?

Thanks,

Harry J

[cgrand]

hjanock - 5/2/2004 8:26 AM

Last year I had my Suz 140 mounted to my Sea Pro 190 in the 4th hole from the top. I thought I was getting
too much splash, so this year I asked the dealer to move it up one hole.

wait a sec...
you were in the 4th hole from the top before, now you are in the third hole from the top, correct?
if so, you lowered your outboard, not raised it

where is your cav plate in relation to your keel, currently?

if you have an engine lifter, you can do this yourself...pull the cowling, put the hook in the lifting eye, break loose the nuts from the mounting bolts, break loose whatever they sealed the holes with, raise the motor, remount, seal the holes and replace/retorque the nuts

i have my dealer do it so i don't f@&k it up...

[hjanock]

Cr*p - you are correct, and just what I feared.

Sigh.

thanks,

Harry J

[KevinM]

If you have prop blowout with very little trim you will know you are to high on the transom.