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Old 10-28-2017, 04:31 PM
BoatBill BoatBill is offline
TT Newbie
Join Date: Oct 2017
Boat: XT 21, 2018 5500 GDI
Location: Midwest
Posts: 4
Prop for XT21 5500 GDI

I traded my Malibu for a 2018 XT 21 with the 5500GDI engine. I have learned the hard way to have a spare prop or risk loosing days-week of enjoyment trying to find a new prop. We plan to use the boat for everything from tubing, skiing to surfing. So some work with ballast but not a ton. We generally don't have more than 3-4 people in the boat at once. Does any one know what prop would be a good spare or what comes on the boat?
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Old 10-28-2017, 05:48 PM
Posts: n/a
We have the OJ 829 on my2017 XT21. We have the 6000GDI. We are at 700'. We normally run with the same crew size as you, but the boat likes more weight, thus we have 400lbs of lead evenly spread throughout inside the storage front to rear. Boat jumps on plane with auto launch.
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Old 11-19-2017, 04:20 PM
CottagerGreg's Avatar
CottagerGreg CottagerGreg is offline
MC Maniac
Join Date: Sep 2006
Boat: 2017 Mastercraft Xt21
Location: Muskoka
Posts: 2,649
do the new XT series boats have the same spline as the older 2008 Mastercrafts.. be nice to reuse props instead of always buying new ones
2017 Mastercraft XT21- Black & Calypso Green Flake and Coolfeel interior

2008 Mastercraft 40th Anniversary X-star SOLD

1981 J-craft 19 long deck ski boat w/200 Mercury Black Max (the gas guzzler)

2008 Touareg V8 Galapagos Metallic, Sienna leather, Execline, Technology pkg, Sports pkg,Class III hitch.

2017 Audi S3 Technik Ara Blue Crystal Effect with Advanced Handling package
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general use prop xt21

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