Kayot S225 I/O 2005 boat specs
Kayot
Kayot S225 I/O 2005
2005
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VS
Kayot Z250 2008 boat specs
Kayot
Kayot Z250 2008
2008
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Kayot S225 I/O 2005 vs Kayot Z250 2008 — A Close Look at Two Modified Vees

When two boats share the same hull type — in this case both the Kayot S225 I/O 2005 and the Kayot Z250 2008 are modified vee designs with composite construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

On paper these two are close siblings in the size department — Kayot S225 I/O 2005 at 22,0 ft versus Kayot Z250 2008 at 25,0 ft. Weight tells a clearer story for trailering families: the Kayot Z250 2008 tips the scales at 495 lbs — 453 lbs less than the Kayot S225 I/O 2005 at 42 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

Both boats share a closely matched power ceiling — 425 hp for the Kayot S225 I/O 2005 and 425 hp for the Kayot Z250 2008. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Kayot Z250 2008 carries 97 gallons versus 57 gallons in the Kayot S225 I/O 2005. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 14 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

Bottom line: The Kayot Z250 2008 at 25,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Kayot S225 I/O 2005 at 22,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeKayot
MakeKayot
ModelS225 I/O
ModelZ25
Model Year2005
Model Year2008
Measurements / Dimensions
Beam8 ft. 6 in
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Bridge clearance - Detail50 in
Bridge clearance - Detail68 in
Bridge clearance - Meters1.27
Bridge clearance - Meters1.73
Bridge clearance - Inches5
Bridge clearance - Inches68
Deadrise19℃
Deadrise22℃
Draft [drive up] - Detail16 in
Draft [drive up] - Detail22 in
Draft [drive up] meters0.41
Draft [drive up] meters0.56
Draft [drive up] inches16
Draft [drive up] inches22
Draft [max] - Detail34 in
Draft [max] - Detail36 in
Draft [max] - Meters0.86
Draft [max] - Meters0.91
Draft [max] - Inches34
Draft [max] - Inches36
Weight - Detail4,200 lbs
Weight - Detail4,950 lbs
Weight - kg1905.09
Weight - kg2245.28
Weight - lbs.42
Weight - lbs.495
Length - Feet22
Length - Feet25
Length - Inches4
Length - Inches7
Length [over all with swim platform]23 ft. 10 in
Length [over all with swim platform]27 ft. 3 in
Length overall - Detail22 ft. 4 in
Length overall - Detail25 ft. 7 in
Length overall - Meters6.81
Length overall - Meters7.8
Length overall - Inches268
Length overall - Inches307
Body / Hull
Hull typeModified Vee
Hull typeModified Vee
Hull materialnot available
Hull materialFiberglass
Engine and Drivetrain
Fuel tank capacity - Detail57 gal
Fuel tank capacity - Detail97 gal
Fuel tank capacity - Liters215.77
Fuel tank capacity - Liters367.18
Fuel tank capacity - Gal57
Fuel tank capacity - Gal97
Drive typeI/O
Drive typeI/O
Engine max425 hp
Engine max425 hp
Engine/s standardnot available
Engine/s standard5.7 l B3 Mercruiser / 250 hp
Fuel typenot available
Fuel typeGas
Operational Info
Maximum people14
Maximum people14 @ 2,800 lbs

Kayot S225 I/O 2005 vs Kayot Z250 2008 — Common Questions

Which is the larger boat — the Kayot S225 I/O 2005 or the Kayot Z250 2008?
The Kayot Z250 2008 is the longer of the two at 25,0 feet overall. The Kayot S225 I/O 2005 comes in at 22,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Kayot S225 I/O 2005 or the Kayot Z250 2008?
For trailering, the Kayot S225 I/O 2005 has the edge at 42 lbs dry weight versus 495 lbs for the Kayot Z250 2008. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
How many people can each boat hold?
The Kayot S225 I/O 2005 is Coast Guard rated for 14 passengers, while the Kayot Z250 2008 is certified for 14. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Kayot S225 I/O 2005 and Kayot Z250 2008 share an 8 ft. 6 in beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
Which boat has the larger fuel tank — the Kayot S225 I/O 2005 or the Kayot Z250 2008?
The Kayot Z250 2008 has the bigger tank at 97 gallons, versus 57 gallons on the Kayot S225 I/O 2005. That 40-gallon difference translates to roughly 120–200 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Kayot S225 I/O 2005 and Kayot Z250 2008 from the same manufacturer?
Yes — both the Kayot S225 I/O 2005 and the Kayot Z250 2008 are built by Kayot. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.