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You'd be way better off finding a "good Deal" on a used 200 vs modifying this 175.
Plan B if you end up with this 175. Run it as is, go fishing and be content.

What the consensus of using Amsoil synthetic 75W-90 Marine Gear lube for my 2020 200 SHO Gearcase? I have several quarts of this stuff that I'd like to use. This motor is still under warranty.

Thanks for sharing. I'll check this on my 2020 SHO

Look at Solas aluminum props. That's what I have as spare for my sho / pontoo

What pitch you needing?

Is this engine suppose to have water diverters? I don see them.

I've got a promax block that needs to be bored 30-over.

Ser: OT430597

Looking for someone that does this, preferably in the KY / TN area where I can hand delivery and wait on it.
...

I discovered the problem. The injectors are getting the pulse voltage but they're not spraying.

I swapped the injector assembly from my spare 225X and bam, fired right up.

These injectors...

There's a cap on top of the fuel rail. This evening after work, I'll remove that, activate the fuel pump via key switch and check for flow, maybe there's some sort of blockage. I'll pull off the fuel...

Ser: OT430597

The power head was rebuilt couple years ago and I finally got it mounted and rigged but it won’t start.


Hooked it up to a 6 bank spark gap tester; has great spark.


Swapped...

Thanks, that was my guess but needed confirmed.

2002 Promax 225X

Ser: OT430597

Model:? / The model is not listed on the ID tag.

The cylinder head O-Ring is not a typical 100% round ring. One side is diff from the other.

Which way...

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I've experienced this same problem after servicing Poppet parts. Ended up being item 12 in the <Parts Diaghram> was not tight enough which caused water to weep out the hole as...

In regards to the X's spark plugs: I'm thinking they came out with BPR8EVX which are no longer avl.

I used BPR8EIX for a good while but from my experience they foul easier.

Several years...

For my 225X, new since 2002.

I've concluded that the Throttle Position Sensor can start acting up at 250 hour ish. It will DDT test okay but erratic idle issues go away when replaced.

My...

Prayers from Indiana

My 2002 225X did the same as you describe. Ended up being a faulty sensor inside the on-board oil tank. Seems like this is a common problem. Something to do with the magnet inside the sensor coming...

On my 2002 225X, I run 87 then add Aces Octane Boost at the 1 oz / 6 gallon ratio. Been doing this for many years.

Hydromotive is my Aces source.

Boats.Net

They have on-line parts catalogs. Click the part to put it the cart and you're good to go.

I've ordered many parts on Monday morn at it's at the door Wednesday afternoon. For me,...

Thanks for posting this new information on Craig and his new shop.

He’s also very good and wrench savvy on Merc 2.5 Liter High Performance Motors (Promax’s / 260s / 280s and Drags).

He’s...

Start at the begining which is the brass oil tank oil fitting at the block. This fitting is actually a check-valve. It allows the crank pulses to pressurise the oil tank. The check valve failed on...

My 02 input for you 225X guys that often foul plugs. I’ve got one on my Prosport; purchased it new in 2002.

I went through an era where it was fouling plugs a few times a year, way more than...

PM xs03mich on the Allison Owners board. He recently purchased a new trailer for his GS. He actually purchased it from the Allison factory and didn't have to mess with any dealer. The price seemed...

You can adjust idle fuel mixture by adjusting tpi voltage at the idle stop range. It's in the shop manual.

X2 Michelin LTX for great hydro plane resistance, quite and longevity.