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  1. #1
    Member
    Join Date
    May 2020
    Location
    Sebring, FL
    Posts
    338

    Z series yamaha sho prop

    What prop are yall running on a 521 or 522?

    Im running yamaha sho 250

    I currently have v max prop. 25p
    I get up about 6k, i just dont get much top end would like to try and squeeze a bit more on top.

  2. Member
    Join Date
    Mar 2010
    Location
    Pittsburg, TX Lake Bob Sandlin
    Posts
    410
    #2
    2014 Z521C / 250 SHO, PowerPoles, dual consoles, 8” Atlas JP, full of gear, etc. also with VMAX 25p T1 that has been professionally worked. Awesome hole shot, bow lift, and acceleration, with top speeds of 70-71 mph GPS at 6100 rpm. Prior to full Ionic lithium battery setup I saw 67-69 mph max.

    Prop work was done by http://www.stevescustomprops.com/, and he commented that a original 25p T1 is perfect for our boat / motor combo and is in high demand. I tried a Tempest which had a good hole shot and acceleration but was down 2-3 mph for me. So I found a used T1 and now have twins.

    Hope that helps for comparison.
    JT

    2014 Ranger Z521C / Yamaha VMAX SHO 250 / IONIC Batteries
    Garmin 57” Force TM, ECHOMAP Ultra 106sv’s, LVS34

  3. Member
    Join Date
    May 2020
    Location
    Sebring, FL
    Posts
    338
    #3
    Yeah
    not Sure where i would even find a t1
    i Think mine may be a t1 on my boat now, but id need another prop to be able to send this one to be worked.

    What would be another good prop for top end?

  4. Member
    Join Date
    Mar 2010
    Location
    Pittsburg, TX Lake Bob Sandlin
    Posts
    410
    #4
    I posted a WTB thread here on BBC and had several responses, and got my spare from another member within a week.

    What kind of performance and speeds are you seeing now?
    JT

    2014 Ranger Z521C / Yamaha VMAX SHO 250 / IONIC Batteries
    Garmin 57” Force TM, ECHOMAP Ultra 106sv’s, LVS34

  5. Member
    Join Date
    May 2020
    Location
    Sebring, FL
    Posts
    338
    #5
    I run a z522,
    Around 6k i see about 64 65 but takes awhile to get there,
    Holeshot is almost instantly, but i just looked at my prop
    it Has the square plug insert holes but no plugs

    Would plugs give me anymore top end or
    How do those work?

  6. Member
    Join Date
    Mar 2010
    Location
    Pittsburg, TX Lake Bob Sandlin
    Posts
    410
    #6
    Yes, plug those vent holes go run it and report back.

    Do you have an adjustable jack plate?

    Do you know what your PTP prop to pad is or performs best at?

    What year boat and engine?
    Last edited by jpt7779; 12-02-2021 at 10:29 PM.
    JT

    2014 Ranger Z521C / Yamaha VMAX SHO 250 / IONIC Batteries
    Garmin 57” Force TM, ECHOMAP Ultra 106sv’s, LVS34