TURBO propellers · Virginia Beach

TURBO TXP OT4 with Adjustable Ventilation Ports propeller: sizes, part numbers and fit.

This TXP OT4 adds adjustable ventilation ports to the four-blade OT4 design for very light, fast boats on high mounts or jack plates. Yamaha lists eight right-hand sizes at 14 3/8 inches from 23 to 30 pitch, one fewer than the standard OT4.

Listed by Yamaha as TURBO® TXP OT4™| WITH ADJUSTABLE VENTILATION PORTS

Material
stainless steel
Blades
four
Hub
Per Yamaha's hub chart
Rotation
Right-hand
Diameter
14 3/8 in
Pitch
23 to 30
Get a quote on the TURBO TXP OT4 with Adjustable Ventilation PortsCall (757) 464-4600
Yamaha

Sizes

8 sizes
as Yamaha lists them.

8 pitches from 23 to 30, in even one-inch steps. Every size is 14 3/8 inches in diameter. All 8 sizes are right-hand.

Part numbers, specs and features: Yamaha, read from yamahaoutboards.com/propellers/bass-bay-flats-boats on 2026-10-05. Yamaha updates its listings; we confirm the part number when we quote.

TURBO TXP OT4 with Adjustable Ventilation Ports propeller sizes and Yamaha part numbers
Diameter (in)PitchRotationHubPart number
14 3/823RHSee Hub ChartMAR-14423-TR-EM
14 3/824RHSee Hub ChartMAR-14424-TR-EM
14 3/825RHSee Hub ChartMAR-14425-TR-EM
14 3/826RHSee Hub ChartMAR-14426-TR-EM
14 3/827RHSee Hub ChartMAR-14427-TR-EM
14 3/828RHSee Hub ChartMAR-14428-TR-EM
14 3/829RHSee Hub ChartMAR-14429-TR-EM
14 3/830RHSee Hub ChartMAR-14430-TR-EM
  • RH is right-hand rotation, LH left-hand. Rows are printed exactly as on Yamaha's table.
  • "See Hub Chart" is how Yamaha lists the hub; the chart is not on that page, so the hub kit is matched to the engine when the prop is quoted.

What it's for

The TURBO TXP OT4 with Adjustable Ventilation Ports
as Yamaha describes it.

  • TXP OT4 design with adjustable ventilation ports.
  • For very light, fast boats on high mounts or jack plates.
  • Yamaha states TURBO props are made by Yamaha Marine Precision Propeller Industries, a wholly owned Yamaha subsidiary.

Yamaha lists it for

Compared

The TURBO TXP OT4 with Adjustable Ventilation Ports against
its closest prop lines.

vs TURBO TXP with Adjustable Ventilation Ports

  • Blades: four, against three.
  • Diameter: 14 3/8 in, against 14 3/4 in.
  • Pitch: 23 to 30, against 21 to 32.
  • Sizes listed: 8, against 11.

Same on both: stainless steel, right-hand only, hub from Yamaha's hub chart.

Only on the TURBO TXP OT4 with Adjustable Ventilation Ports: TXP OT4 design with adjustable ventilation ports.

vs TURBO TXP OT4

  • Pitch: 23 to 30, against 23 to 31.
  • Sizes listed: 8, against 9.

Same on both: stainless steel, four blades, 14 3/8 in diameter, right-hand only, hub from Yamaha's hub chart.

Only on the TURBO TXP OT4 with Adjustable Ventilation Ports: TXP OT4 design with adjustable ventilation ports.

vs TURBO TXP

  • Blades: four, against three.
  • Diameter: 14 3/8 in, against 14 3/4 in.
  • Pitch: 23 to 30, against 21 to 32.
  • Sizes listed: 8, against 11.

Same on both: stainless steel, right-hand only, hub from Yamaha's hub chart.

Only on the TURBO TXP OT4 with Adjustable Ventilation Ports: TXP OT4 design with adjustable ventilation ports.

TURBO propellers

Other props
in this line-up.

Every Yamaha and TURBO prop

Common questions

TURBO TXP OT4 with Adjustable Ventilation Ports
questions, answered.

Blades: four, against three on the TURBO TXP with Adjustable Ventilation Ports. Diameter: 14 3/8 in, against 14 3/4 in on the TURBO TXP with Adjustable Ventilation Ports. Pitch: 23 to 30, against 21 to 32 on the TURBO TXP with Adjustable Ventilation Ports. Sizes listed: 8, against 11 on the TURBO TXP with Adjustable Ventilation Ports. Both: stainless steel, right-hand only and hub from Yamaha's hub chart. Only on the TURBO TXP OT4 with Adjustable Ventilation Ports: TXP OT4 design with adjustable ventilation ports.

Yamaha's table lists 8 sizes across 8 pitches (23, 24, 25, 26, 27, 28, 29 and 30). Every size is 14 3/8 inches in diameter. All 8 sizes are right-hand.

Yamaha's size table gives the TURBO TXP OT4 with Adjustable Ventilation Ports hub as "See Hub Chart" rather than naming one, and the hub chart is not on that page, so the hub kit is matched to the engine from Yamaha's chart.
(757) 464-4600Text the shop

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