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FLASHSALE26
18% off

14 Inch Propeller Safety Guard for 70-100 HP Boat Motors | SeaSierra

Sale price $135.00 Regular price $165.00

Worry-free returns

Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.


If the return is due to our error or a defective item, we’ll make it right.


Please contact us before returning any item.

Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

  • Manufacturer: SeaSierra
  • Category: Boat Propeller Guards
  • Part Type: Propeller Guard
  • Package Dimensions: 44*34.5*25mm
  • Package Weight: 2.774 Kilograms
  • Material: Rigid polypropylene Plastic and 304 stainless steel
  • Color: Safety Red (70-120HP, 14″)

Compatibility

Sea Sierra 14" propeller guard is compatible with 70 to 100 HP outboard motors, fitting propellers up to 13.5 inches in diameter. Suitable for various brands including Mercury, Yamaha, Honda, BRP, and Suzuki, except for Big Foot and High Thrust models. Ideal for pontoon and deck boats, and other vessels not exceeding 25 mph.

Kit Components

The package includes the following items:

  1. 1 Polycarbonate Propeller Guard
  2. 9 sets of Installing Bolts
  3. 1 Drill

    Features and Advantages of Sea Sierra Prop Guards

    • Made of special polypropylene material that is rust-resistant, lightweight, and durable.
    • Increases propeller efficiency and boat acceleration, reducing fuel consumption.
    • Enhances boat control and handling while reducing hull and engine stress.
    • Provides better vessel control and reduces the risk of prop blade injuries to humans and marine life.
    • Easy installation with basic tools, including a drill with a 5/16″ bit and bolts.
    • Suitable for outboard propellers and sterndrives with a diameter of 5″ to 14″.
    • Visible from a distance while towing, offering additional safety.

    Sea Sierra Prop Guard Installation Instructions

    1. Position the guard on the underside of the cavitation plate, ensuring equal distance between the guard and the propeller during rotation.
    2. Align the guard as far forward on the cavitation plate as possible.
    3. Remove the trim tab under the cavitation plate before installation (applicable for 9″, 11″, 13″, 14″ guards).
    4. Drill 6 holes through both the cavitation plate and guard on each side, insert bolts, washers, and Nyloc nuts, and loosely tighten.
    5. Drill 2 holes through the lower skeg as illustrated, insert bolts, washers, and Nyloc nuts, and securely tighten.
    6. Finally, tighten the bolts on the cavitation plate.

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