9" Propeller Safety Guard – Fits 9.9-20 HP Outboard Motors
9" Propeller Safety Guard – Fits 9.9-20 HP Outboard Motors

9" Propeller Safety Guard – Fits 9.9-20 HP Outboard Motors

Vendor: JLM Marine
Availability: In Stock
Product Type: Propeller Guard
$79.50
$95.00
$79.50
Subtotal: $79.50

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9" Propeller Safety Guard – Fits 9.9-20 HP Outboard Motors

9" Propeller Safety Guard – Fits 9.9-20 HP Outboard Motors

$95.00 $79.50
9" Propeller Safety Guard – Fits 9.9-20 HP Outboard Motors

9" Propeller Safety Guard – Fits 9.9-20 HP Outboard Motors

$95.00 $79.50
Description

9" Propeller Safety Guard – Fits 9.9-20 HP Outboard Motors

This propeller safety guard is designed for a universal fit on most 9.9 HP to 20 HP outboard motors, including models from Mercury, Yamaha, Johnson/Evinrude, Honda, Suzuki, and Tohatsu/Nissan. It provides a protective cage around the propeller to significantly reduce the risk of injury to swimmers and marine life while also helping to prevent propeller damage in shallow, rocky waters. Note: This guard is not compatible with Big Foot or High Thrust models, which have a larger gearcase and require an 11" guard.

This guard protects propellers up to 8.5" in diameter and is intended for boats operating at speeds up to 25 mph (40 kph).

  • Installation: Bolts directly to the outboard's cavitation plate and skeg.
  • Material: Constructed from durable, high-visibility polypropylene plastic.
  • Hardware: Includes a full set of stainless steel mounting hardware.

Compatible Engine Models

Confirm your engine model and year in the table below. For specific guidance, see the resources for your brand:

For Mercury owners: A guide to identify your engine’s serial/model is available here: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

For Yamaha owners: A guide to identify your engine’s serial/model is available here: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

For Johnson/Evinrude owners: A guide to help you identify your engine’s serial/model is available here: Johnson/Evinrude Serial Number Guide.

For Suzuki owners: You can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.

Brand Model Rated HP Stroke Years Notes
Mercury All Models 9.9-20 2- & 4-Stroke All Years Except Big Foot & High Thrust models (require 11" guard)
Yamaha All Models 9.9-20 2- & 4-Stroke All Years Except Big Foot & High Thrust models (require 11" guard)
Johnson/Evinrude All Models 9.9-20 2- & 4-Stroke All Years Except Big Foot & High Thrust models (require 11" guard)
Honda All Models 9.9-20 2- & 4-Stroke All Years Except Big Foot & High Thrust models (require 11" guard)
Suzuki All Models 9.9-20 2- & 4-Stroke All Years Except Big Foot & High Thrust models (require 11" guard)
Tohatsu/Nissan All Models 9.9-20 2- & 4-Stroke All Years Except Big Foot & High Thrust models (require 11" guard)

Technical Specifications

Specification Value
Product Type Outboard Propeller Guard / Safety Guard
Installation Bolts to cavitation plate and skeg
Connection Mounting hardware included (stainless steel bolts)
Housing Material Rigid polypropylene plastic
Housing Color Safety Yellow
Dimensions 32 × 29 × 18 cm (overall package dimensions)
Weight 1.495 kg (3.3 lbs)
Fitting Type Direct mount to outboard lower unit
Guard Diameter 9" (fits propellers up to 8.5")
Other Technical Attributes Not recommended for speeds over 25 mph (40 kph)

Package Contents

  • 1 x 9" Propeller Guard
  • 1 x Set of Stainless Steel Mounting Hardware (includes bolts, washers, nuts)
  • 1 x 1/3" Drill Bit

Installation Guide

  1. Place the Propeller Guard on the underside of the cavitation plate.
  2. Align the guard so there is equal distance between the guard and the propeller blades.
  3. Clamp the guard securely to the cavitation plate using C-clamps or grip clamps.
  4. Drill holes through the cavitation plate and the guard according to the installation instructions.
  5. Fasten the guard using the included stainless steel mounting hardware.

Note: Installation requires drilling and takes approximately 25-30 minutes with basic tools.

Troubleshooting & FAQ

Q: How do I know if this 9" guard will fit my 9.9-20 HP motor?

A: This guard is designed for a universal fit on most standard 9.9-20 HP outboards. However, it is not compatible with Big Foot or High Thrust models, which have a larger gearcase and require an 11" guard. Always measure your propeller diameter; this guard fits propellers up to 8.5".

Q: Can I use this propeller guard at high speeds?

A: Use at high speeds is not recommended. For safety and performance reasons, you should not exceed 25 mph (40 kph) with this guard installed.

Q: Is installation difficult? Do I need to drill into my engine?

A: Installation requires drilling holes in the cavitation plate (the plate above the propeller). The process is straightforward and takes approximately 25-30 minutes with basic tools. A drill bit and all necessary mounting hardware are included.

Q: OEM vs. Aftermarket?

A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?

A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?

A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping

We can ship to virtually any address in the world with free shipping available for most regions.

For our typical US and Canadian customers , our shipping timeframes are as follows:

  • Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
  • US warehouse shipment: orders will be delivered within 5 days after placing the order.
  • China warehouse shipment: orders will be delivered about 12 days after placing the order.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

About JLM Marine

Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.

As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.

We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.

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