Turning Point Express Mach3 3-Blade Stainless Steel Propeller — 3" Gearcase — 10-Spline Applications
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Description
Description
The Turning Point Express Mach3 EX2 is a 3-blade stainless steel propeller housing in the 3-inch gearcase family. Compare the available pitch and rotation with your engine requirements and loaded boating conditions. Engine fitment requires the correct separate installation/hub kit; gearcase family or horsepower alone does not establish compatibility.
Sold as one propeller housing. The engine-specific hub/installation kit is required and sold separately. Choose the exact propeller from the dropdown. Each choice lists diameter x pitch, rotation and manufacturer part number; use the specification table below to compare.
Exact specifications by part number
| Part number | PartsDuck SKU | Diameter | Pitch | Rotation | Material | Blades |
|---|---|---|---|---|---|---|
| 31211111 | PD-63326 | 10.3 in | 11 in | Right Hand | Stainless Steel | 3 |
| 31211311 | PD-63327 | 10.4 in | 13 in | Right Hand | Stainless Steel | 3 |
Design details
- Separate prop housing and engine-specific installation kit allow the hub and prop to be selected for the application.
- TP17 stainless-steel construction.
- MaxSpeed balancing process.
Performance depends on hull, engine, load, mounting height and trim. A different blade count or design may require a different pitch even when replacing a prop with the same stamped pitch.
Hub and engine compatibility
Start with the exact engine manufacturer, model, year, gearcase and shaft spline count in Prop Wizard. The following kit references are application-dependent choices, not a list of interchangeable hubs. Applications marked four-blade-only or OS-only require that specified prop design.
| Engine application and fitment requirements | Shop hub kit |
|---|---|
| 10-spline Yamaha 2-stroke 20/25/30 and 4-stroke 25 hp; Parsun 20/25 hp. Hustler R2 / Express EX2, 3-inch gearcase family. | Kit 25 — 11200500 |
The chart also lists kit 28 for selected Honda, Mercury/Mariner and Nissan/Tohatsu applications. Confirm availability separately; it is not included with this propeller.
Choosing pitch and rotation
- Record the current prop part number, diameter, pitch and rotation.
- Check the engine maker’s recommended wide-open-throttle RPM range and record actual RPM and GPS speed with the normal passenger, fuel and gear load.
- Use Prop Wizard with the exact engine and boat details; do not select by horsepower alone.
- Confirm right-hand or left-hand rotation, particularly on twin-engine installations. Left-hand is not a substitute for right-hand.
- After installation, water-test under normal load and confirm operation within the engine maker’s RPM range.
Installation and package
Package: one propeller housing. Hub kit and engine-specific installation hardware are separate. Follow the installation-kit instructions and engine manual for washer order, shaft preparation, retaining hardware, torque and locking procedure. Check full rotation and trim-tab clearance before operation. Do not assume the old hub or hardware will fit the new prop.
Fitment tools and documents
- Turning Point Prop Wizard — verify engine fitment, pitch and hub kit
- Manufacturer 2025 engine, hub and prop selection chart
- Quick guide — 31211111
- Manufacturer brochure — 31211111
- Quick guide — 31211311
- Manufacturer brochure — 31211311
California Proposition 65
WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
