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66T-85561-00 66T-85561-01 66T-85561-00-00 66T-85561-01-00
PREMARINE
| Quantity: | |
|---|---|
| Parameter | Specification |
| Part Number | 66T-85561-00 (Supersedes: 66T-85561-00-00, 66T-85561-01, 66T-85561-01-00) |
| Compatible Brand | Yamaha Marine |
| Component Type | Outboard Magneto Base / Stator Plate (Base Assembly) |
| Engine Type | 2-Stroke Outboard Engines (40HP Series) |
| Material | Marine-Grade High-Strength Aluminum Alloy |
| Manufacturing Process | CNC Precision Machining & Anti-Corrosion Surface Coating |
| Installation | Direct OEM Bolt-on Replacement |
Micron-Precision Structural Alignment: Precision CNC-machined to strict OEM tolerances, ensuring smooth advance mechanism rotation during throttle linkage operation without binding or sticking.
Marine-Grade Corrosion Resistance: Cast from premium saltwater-resistant aluminum alloy with a protective anti-corrosion coating, effectively resisting saltwater corrosion, oxidation, and engine compartment heat.
Vibration-Damping & High Stability: Superior mechanical strength withstands severe vibrations at high engine RPMs, preventing ignition timing shifts or coil wear caused by loose base alignment.
Primarily compatible with Yamaha 2-stroke 40HP outboard engine platforms (featuring the 66T model code):
Yamaha 2-Stroke 40HP Series: E40X, 40X, 40FE, 40FMH (2-cylinder 2-stroke outboard engine platforms).
PREMARINE Direct Replacement: PREMARINE manufactures precision aftermarket stator bases engineered to exact OEM 66T tolerances and advance track specifications for seamless integration with OEM coils and throttle linkages.
PREMARINE Quality & Marine Protection: Built with upgraded corrosion-resistant alloy and reinforced mounting threads, PREMARINE magneto bases offer exceptional durability and cost-effectiveness for Yamaha E40X owners.
Sticky Throttle Linkage / Poor Acceleration: Corrosion or track wear on the base plate prevents smooth rotation during throttle advance, causing delayed ignition timing, sluggish acceleration, or engine bogging. Clean or replace the damaged base.
Ignition Timing Misalignment / Engine Shake: Worn mounting holes or loose base alignment distorts the air gap between stator coils and the flywheel magnet, leading to misfires, rough idling, or excessive engine vibration.
Corrosion Cracking & Salt Oxidation: Extended exposure to saltwater causes white oxidation buildup or fatigue cracking on aluminum bases. Inspect for physical cracks or track degradation, and replace with a fresh base assembly.
OEM Part Numbers
Compatible OEM references include:
66T-85561-00
66T-85561-00-00
66T-85561-01
66T-85561-01-00
Compatible Engine Models
This Magneto Base 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 Magneto Base 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
