Yuasa 6N4-2A-4 6V Battery — Conventional Flooded Lead-Acid Motorcycle Battery
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The Yuasa 6N4-2A-4 (part YUAM2644A) is a conventional 6-volt lead-acid battery designed for vintage and small-displacement motorcycles, scooters, and mopeds. Featuring a refillable, serviceable design, this battery provides dependable starting power and classic performance for older vehicles that require a traditional 6V system. Built to Yuasa’s high-quality standards, it’s perfect for restorations and classic bikes where authenticity and reliability matter most.
Key Features & Benefits
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Conventional Design — Classic flooded lead-acid battery for vintage applications
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Serviceable & Refillable — Maintain electrolyte levels for long battery life
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Dependable Starting Power — Reliable performance for small engines and older electrical systems
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Durable Construction — Built to resist vibration and temperature changes
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Economical & Reliable — Affordable solution with Yuasa’s proven performance
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OEM-Trusted Brand — The standard for classic motorcycle and scooter restorations
Technical Specifications
| Spec | Value |
|---|---|
| Model | 6N4-2A-4 |
| Part Number | YUAM2644A |
| Voltage | 6 V |
| Capacity | 4 Ah |
| Dimensions (L × W × H) | 2 13/16" × 2 13/16" × 4 1/8" |
| Weight | 1.7 lb |
| Battery Type | Conventional (flooded lead-acid) |
| Terminal Type | Top post |
| Maintenance | Refillable with electrolyte as needed |
Fitment & Applications
The 6N4-2A-4 fits many vintage motorcycles, scooters, mopeds, and smaller powersport vehicles, especially those from the 1960s–1980s using 6V systems. Ideal for restorers and collectors maintaining the original look and function of classic bikes.
Always verify size, terminal layout, and polarity before purchase.
Why Choose 6N4-2A-4
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Perfect for Vintage Bikes — Authentic design and voltage for older machines
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Refillable & Serviceable — Extend battery life with proper maintenance
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Reliable Power Output — Consistent 6V performance for older electrical systems
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Built to Last — Handles vibration and heat typical of vintage bikes
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Trusted Yuasa Quality — The go-to brand for OEM and restoration projects worldwide
Usage & Care Tips
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Fill with Yuasa-approved electrolyte before first use.
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Fully charge before installation.
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Check electrolyte levels regularly and top off with distilled water.
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Keep terminals clean and corrosion-free.
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Store upright in a cool, dry environment when not in use.
Bring your vintage ride back to life with the Yuasa 6N4-2A-4 (YUAM2644A) — the dependable 6-volt conventional battery trusted by enthusiasts and restorers worldwide. Add to cart today and power your classic with authentic Yuasa quality.
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–5 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!
