 |
66T-42816-00 66T-42816-00-00 66T-42816-01 66T-42816-01-00
PREMARINE
| Quantity: | |
|---|---|
1. Technical Specifications
| Parameter | Specification / Detail |
| Component Type | Outboard Engine Cowling Clamp Lock Lever (Metal) |
| OEM & Interchange Part Numbers | 66T-42816-00-00 / 66T-42816-00 / 66T-42816-01-00 / 66T-42816-01 |
| Installation Location | Outer pivot axis on the bottom cowling assembly (Bottom Pan) |
| Engine Platform | 2-Cylinder 2-Stroke Outboard Engines (66T / E40X 703cc platform) |
| Horsepower Range | Yamaha 40HP (E40X, 40X, 40XMH, 40XW commercial/recreational models) |
| Material Composition | Marine-grade high-tensile die-cast aluminum alloy with anti-corrosion baked enamel finish |
| Environmental Durability | High resistance to saltwater spray, heavy UV exposure, and high clamping loads |
2. Key Features
Heavy-Duty Die-Cast Aluminum Construction: High-tensile cast alloy eliminates the risk of solar UV degradation, embrittlement, and cracking common in plastic alternatives, easily withstanding high leverage draw-down force.
Corrosion-Resistant Marine Coating: Finished with multi-stage chemical passivation and Yamaha-matching dark bluish gray metallic baked paint, providing superior scratch and saltwater pitting resistance.
Ergonomic High-Leverage Design: Optimized cam leverage curve ensures effortless and positive latch engagement, even when operating with wet or gloved hands.
Direct OEM Fitment: CNC precision-machined pivot hole and linkage receiver slot match factory drawings perfectly for smooth, rattle-free rotation without play.
3. Compatible Models
Primarily compatible with Yamaha 40HP 2-stroke outboards built on the 66T platform:
Yamaha 2-Stroke 66T Series: E40X, 40X, E40XMH, E40XW, 40XWT 703cc twin-cylinder models
Clone Engines: Compatible with Parsun (T40), Hidea (HD40), Powertec, and other outboards based on the Yamaha 66T 40HP architecture
4. Aftermarket & Brand Compatibility
OEM Brand Fitment:
Yamaha Marine: Designed for genuine Yamaha 40HP (E40X / 66T series) top-to-bottom cowling retention systems.
PREMARINE Brand Aftermarket Replacement:
PREMARINE Quality Standard: PREMARINE specializes in high-reliability marine cowling hardware, metal fasteners, and exterior trim components. This metal clamp lever is manufactured with high-tensile alloy casting molds and anti-corrosion finishes.
Direct OEM-Level Performance: Pivot concentricity, tensile yield strength, and paint durability meet or exceed OEM specifications, serving as the premier cost-effective solution for replacing broken or corroded cowling levers.
5. Common Symptoms & Troubleshooting
Snapped Lever Arm or Broken Pivot Lug:
Cause: Excessive force applied while forcing a misaligned cowling latch over unseated perimeter rubber seals.
Troubleshooting: Inspect the lever pivot for cracks; replace immediately to prevent top cowling loss while underway.
Loose Cowling Clamping / Engine Hood Rattle:
Cause: Elongated pivot pin bore resulting from long-term wear, reducing clamping draw-down tension.
Troubleshooting: Check for play at the pivot axis; replace the lever and pivot pin if the hole is worn out of round.
Binding or Seized Lever Action:
Cause: Salt crystallization or galvanic corrosion between the stainless steel pin and aluminum lever body.
Troubleshooting: Flush with fresh water, apply marine waterproof grease, and replace the lever if internal corrosion has compromised the pivot bore.
OEM Part Numbers
Compatible OEM references include:
66T-42816-00
66T-42816-00-00
66T-42816-01
66T-42816-01-00
Compatible Engine Models
This Cowling Lock Lever is primarily designed for:
2-Stroke 40HP
If you are unsure about compatibility, please provide your engine model number or identification plate for verification before ordering.
Applications
This Cowling Lock Lever is commonly used for:
Outboard engine repair
Engine rebuilding projects
Marine maintenance workshops
Boat fleet maintenance
Commercial fishing vessels
Recreational boats
Marine spare parts distribution
