2021 G25 prop

[FOB1SAN]

Bent mine today. I have a spare one from my old 2019 G25. Is it the same acme prop? I have the 450hp engine.

[greggmck]

If you have the ZZ6 Engine it should be the same prop. You can verify this by checking the stamping on the hub of both props to identify the prop number pitch, diameter, and shaft size (1 1/4").

However, you may need a different prop puller. Today I tried to remove the prop on my Paragon and the latest ACME 330S prop puller would not fit. I do not believe it fits the 2021 Gs either because the strut diameter is larger therefore the strut indentation on the puller is not large enough to allow the puller to slide into the space between the prop and the strut. I'm trying to figure this out in real-time.

[FOB1SAN]

Different prop. 2021 G is ACME 3433. Good thing they had one at the dealer. Prop puller didn’t fit well, but I got it to fit. Had to hammer it and it fit on. I was surprised how hard it was to take off on a brand new boat. Also was surprised how easy it is to install a prop. Probably my 6th prop in 2 years. I normally pay quite a bit to get it swapped. Glad I did it myself.

[revolve77]

Different prop. 2021 G is ACME 3433. Good thing they had one at the dealer. Prop puller didn’t fit well, but I got it to fit. Had to hammer it and it fit on. I was surprised how hard it was to take off on a brand new boat. Also was surprised how easy it is to install a prop. Probably my 6th prop in 2 years. I normally pay quite a bit to get it swapped. Glad I did it myself.

Bent my 2021 as well yesterday at a low water ramp.

Did you use the clamp or harmonic puller?

I noticed you're in Borne and was curious what dealer had them in stock. Im located in Austin and my dealer is out of stock and I wouldnt mind the drive to pick one up.

[FOB1SAN]

Clamp. Marine Max / Sail and ski has 3 left.

[revolve77]

Clamp. Marine Max / Sail and ski has 3 left.

Thank you for that.

Did you have to hammer the clamp on from the backside. Really appreciate the help.

[FOB1SAN]

No. Had to hammer the clamp on.

[mulde35d]

Did anyone ask yet why the 2020 and earlier boats are Acme 2561 and 2021 boats are Acme 3433? I looked up the specs and they appear identical based on diameter, pitch, shaft, and cup.

[mulde35d]

Nevermind, I answered my own question with more research. The Hub length of the 2561 is 3.000" while the hub length of the 3433 is 3.750". Not sure why it changed for 2021 but I guess that causes issues with the prop puller.

[greggmck]

Nevermind, I answered my own question with more research. The Hub length of the 2561 is 3.000" while the hub length of the 3433 is 3.750". Not sure why it changed for 2021 but I guess that causes issues with the prop puller.

In 2018 ACME went from the 3" hub on the original 2561 17" x 17" prop found on most G boats at the time to a 3.375" length hub on the 2805 prop. This year they moved to the 3.75" length hub on the 3433 prop. A longer hub length better distributes the loading onto the propeller shaft. This reduces the chance of shaft failure.

[mulde35d]

In 2018 ACME went from the 3" hub on the original 2561 17" x 17" prop found on most G boats at the time to a 3.375" length hub on the 2805 prop. This year they moved to the 3.75" length hub on the 3433 prop. A longer hub length better distributes the loading onto the propeller shaft. This reduces the chance of shaft failure.

That makes we wonder then which prop to buy as a spare on my 2020 G23. Sounds like 2805 may be a good compromise. Longer to help prevent shaft breaking but no issues with the prop puller maybe.

[greggmck]

That makes we wonder then which prop to buy as a spare on my 2020 G23. Sounds like 2805 may be a good compromise. Longer to help prevent shaft breaking but no issues with the prop puller maybe.

I would take a look at the prop currently installed. It is probably a 2805 which unless you want to change the performance would be your best choice.

[revolve77]

Sail and Ski did me a solid and shipped the prop to my local dealer in double quick time. I was able to swap out the prop using the 330S with ease. Thanks again for the help.

[greggmck]

[QUOTE=revolve77;n625469]

No. Had to hammer the clamp on.

Sail and Ski did me a solid and shipped the prop to my local dealer in double quick time. I was able to swap out the prop using the 330S with ease. Thanks again for the help.

Perhaps you could post a pic of the 330S puller you have? Ideally add a tape measure positioned to show the maximum length it opens?

Which model prop did you pull with it?

According to ACME there are a couple of different versions of the 330S puller. Thanks.

Sent from my SM-G965U using Tapatalk

[revolve77]

My prop is a 3433 and I managed to pull it with the 330S puller. I am unaware of any variations in the 330S but have included the requested photos for your viewing. I was able to get the puller on by lightly tapping on the rear end of the clamp. Its a pretty snug fit with the clamp wide open but works well. I was also informed that this model puller also worked replacing a prop on a 2020 G23 Paragon.