Yellowfin 42 T-Top Boat Cover & Canvas

Yellowfin 42 Specifications

  • Length Overall (LOA): 42'4"
  • Beam: 12'0"
  • Dry Weight: ~15,000 lbs (plus power)
  • Engine: Quad outboards
  • Fuel Capacity: 571–576 gallons
  • Hull Type: Sharp entry, variable deadrise — flagship offshore tournament center console

Cover Features

  • Fabric Options: 9oz solution-dyed marine fabric or premium Sunbrella acrylic
  • Coverage Type: T-Top cover wraps hull below hardtop; hardtop remains exposed
  • Construction: Reinforced stitching, hem cord at rubrail, adjustable tie-down straps
  • Durability: Solution-dyed fabric (5-7 years); Sunbrella acrylic (8-10 years)
  • Fit: Custom-fitted to 42'4" Yellowfin 42 specifications
  • Protection: UV-resistant, water-repellent, weatherproof, mildew-resistant

Description

Additional information

Choose Your Cover Fabric

7 oz. Polyester — Our entry-level marine cover fabric, woven from 100% polyester fiber at a 7 oz. per linear yard weight. This lighter option keeps the cover manageable for solo handling while still delivering reliable protection against sun, rain, and debris. Backed by a 3-year fabric warranty. Ships in Black.

9 oz. Polyester — Step up to our heavy-duty polyester, engineered at 9 oz. per linear yard for boats that face tougher conditions or extended outdoor storage. The denser weave adds an extra layer of defense against abrasion and weather without adding unnecessary bulk. Protected by a 5-year fabric warranty. Ships in Navy or Black.

Sunbrella® — For boaters who want the best, our Sunbrella covers use 100% solution-dyed acrylic — the same fabric trusted by marine professionals worldwide. Naturally resistant to fading, mold, and water damage, Sunbrella holds its color and integrity season after season. Covered by a 6-year fabric warranty. Ships in Black, Smoke, or Marine Blue.

Both polyester options feature solution-dyed construction, where pigment is infused into each fiber during production rather than applied to the surface afterward. This process locks color deep into the material, preventing any dye transfer to your boat’s gel coat or finish. The result is a cover that stays vibrant without bleeding or rubbing off. Our polyester is also designed to breathe — it allows moisture trapped underneath to vent out naturally, reducing the risk of mildew and keeping your boat dry. The fabric holds its form without sagging or stretching over time, stays lightweight enough for one person to handle, and stands up to prolonged UV exposure and harsh marine weather.

*The warranty periods above are provided by the fabric manufacturer and cover the material itself. For details on what’s included in the warranty for your completed cover, please see our warranty page.
Weight 44 lbs

Install

Please watch the video below for installation instructions!

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Frequently Asked Questions

We offer two options for your Yellowfin 42 T-Top cover. The 9oz solution-dyed marine fabric provides excellent durability (5–7 years) at a great value, while Sunbrella acrylic is our premium choice with extended lifespan (8–10 years) and superior color retention. Both are UV-resistant, water-repellent, and mildew-resistant—built for the extreme demands of offshore tournament fishing on Yellowfin’s flagship platform.
Our Yellowfin 42 T-Top cover is custom-fitted to your flagship’s exact dimensions. It wraps the entire hull below the hardtop while leaving your T-Top structure exposed. The cover accounts for your center console, leaning post, rod holders, livewells, fish boxes, and quad outboard mounting points across the 42’s full 12-foot beam.
Installation is fast and straightforward. You can cover your Yellowfin 42 in under five minutes solo using our adjustable strap-and-buckle system. Position the cover, align it to the rubrail, and secure the tie-down straps. No tools or special equipment needed—even on the flagship 42’4" platform.
Yes. The Yellowfin 42 T-Top cover is fully trailering-capable. The heavy-duty strap system keeps the cover secure during highway transport. Verify all tie-down straps are snug before each trip for reliable performance.
Yes. The Yellowfin 42 T-Top cover is designed to accommodate quad outboard configurations. The cover wraps the hull and allows the engine lower units to remain accessible below the fabric line at the stern, so you don’t need to modify anything for your power setup.
Your Yellowfin 42 T-Top cover comes with a 2-year manufacturer’s warranty covering defects in materials and workmanship. If your cover develops seams that leak, fabric tears due to manufacturer defect, or stitching failures during normal use, we’ll repair or replace it at no charge.
Yes. Both fabric options for your Yellowfin 42 cover are treated for water resistance and mildew resistance. The water-repellent surface sheds rain and salt spray, while the mildew treatment helps prevent fungal growth—essential for protecting a flagship offshore boat stored in coastal environments.
The Yellowfin 42 is the largest center console in Yellowfin’s production lineup. At 42’4" with a 12-foot beam and quad outboard capability, it’s the flagship platform built for the most demanding offshore fishing. Our custom cover is engineered specifically for this flagship’s substantial dimensions.
We offer standard solution-dyed marine fabric in classic white and gray, both of which blend well with most hull colors and reflect sunlight. Premium Sunbrella options include white, gray, and select colors with superior fade resistance.
Your custom Yellowfin 42 T-Top cover ships rolled and compressed in a durable protective bag, typically within 5–7 business days. We ship via FedEx or UPS Ground to most U.S. locations. You’ll receive tracking information and an estimated delivery window when your cover ships.
  • *Materials

    *Fabric & Colors

    *Fabric & Colors

  • Cover Option

    Boat Option

    You have selected "Sea Pen" as your storage option. Please call our office at 843-760-6101 to place your order.

    Key West Style Top is not exclusive to Key West Boats.

    Aft Support Bars

    Does your t-top have aft support bars?

    Jet Dock Storage

    Our Covers are designed to fit best with the motors trimmed down. By choosing Jet Dock as a storage option, you're agreeing to modify your cover further if the fit at the motors isn't as desired.

     

    In Water Storage

    Our covers are not designed for In Water use. Selecting this option is acknowledging that you will have to take the cover to a local canvas shop for modification and will void your warranty. We recommend our Center Console Curtain as a solution for In Water Storage.

     

    Motor Option

    Bow Option

    A re-powered motor means the motor has been upgraded or there has been a change in the motor style from the original factory motor

    There is a variety of different style trolling motors. For this reason, trolling motor patterns are not available. You must remove trolling motor for cover to fit.

    *I will remove trolling motor selection will be filled

    Additional Option

    JACK PLATE
     
     

    You have selected Powerpoles as an option. Measurements are needed in order to process your order. Please click the link below, fill in the measurements and send back to design@perfectfitboatcovers.com in order to fully process your order. Please include your name in the subject line. Power Pole Measurement Form 

Yellowfin 42 T-Top Boat Cover — Flagship Offshore Protection

The Yellowfin 42 is the flagship of the fleet. At 42’4″ overall with a 12-foot beam, quad outboard capability, and over 570 gallons of fuel, the 42 is built for the most demanding offshore missions—multi-day tournament runs, canyon trips, and blue marlin seasons that push boats and crews to their limits. Yellowfin’s precision engineering, sharp entry hull, and variable deadrise deliver the performance and ride quality that have defined the brand since 1998, and the 42 represents the ultimate expression of that commitment. Your flagship deserves flagship protection. Our custom T-Top cover shields the entire hull below the hardtop from UV degradation, salt corrosion, and environmental grime with our proven strap-and-buckle system. Browse our complete selection of boat shades and covers for additional sun and weather protection.

Tailored to the 42’s Flagship Layout

The Yellowfin 42 is the largest and most feature-rich center console Yellowfin builds: massive livewells, commercial-grade insulated fish boxes, extensive rod storage, a full tournament electronics suite with multiple displays, and a cockpit designed for the biggest fish in the most demanding conditions. Your custom T-Top cover precisely fits the 42’s substantial 12-foot beam footprint—accounting for the T-Top legs, center console, leaning post, all rod holders, livewells, and quad outboard transom layout. Installation takes under five minutes; position the cover, secure the adjustable tie-down straps to the rubrail hem cord, and you’re protected. For the mid-range option in Yellowfin’s offshore lineup, our Yellowfin 32 T-Top cover delivers the same premium engineering for a versatile twin-outboard platform.

Protection That Matches Yellowfin Quality

The flagship deserves the best materials available. We offer two proven fabric choices: our rugged 9oz solution-dyed marine fabric (5–7 year lifespan) or premium Sunbrella acrylic (8–10 years). Both are UV-resistant, water-repellent, and mildew-treated to withstand the most demanding coastal storage conditions year-round. Every cover features reinforced double-stitching throughout, protective hem cord at the rubrail, and adjustable tie-down straps designed for secure trailering. Your purchase includes our 2-year manufacturer’s warranty covering defects in materials and workmanship. For anglers running the Carbon Elite bay boat platform, the Yellowfin 24 Bay CE T-Top cover delivers the same premium quality for inshore tournament fishing.

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