Bosch Battery - FA121 YT9B-BS AGM
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Product Information
Full details
The Bosch Battery FA121 YT9B-BS is designed for motorcycle owners seeking a reliable, maintenance-free power source. Its key benefit is the advanced AGM technology, providing high starting current and long-lasting performance with increased resistance to vibrations. A potential consideration is that it's a dry charge version, requiring initial activation if not pre-filled.
All features
| Model Part Number | FA121 YT9B-BS |
|---|---|
| Brand | Bosch |
Extended Product Information
FAQs
What does AGM technology mean for this battery?
AGM (Absorbed Glass Mat) technology means the electrolyte is absorbed into glass mats. This makes the battery spill-proof, maintenance-free, and more resistant to vibrations and shocks.
Is this battery ready to use out of the box?
This is a dry charge version. If it's not pre-filled, you will need to add the electrolyte and allow it to absorb according to the provided instructions before installation and use.
How long is the expected lifespan of this battery?
Thanks to its robust construction and AGM technology, this battery offers a longer operating life compared to conventional batteries, especially when properly maintained and used within its specifications.
What is the A/EN inspiration current of this battery?
The A/EN inspiration current is 115 Amps, which indicates its cold-cranking ability.
What is the AH capacity (20hr)?
The AH capacity (20hr) is 8 Ampere-hours, indicating the amount of charge the battery can deliver over a 20-hour period.
Can I use this battery in any motorcycle?
This battery is designed for specific models like the Yamaha XT X 660, YFM R Raptor 700, and YZF R6 600. Always check the dimensions (150 x 70 x 105 mm) and voltage requirements to ensure compatibility with your vehicle.
How do I clean the battery terminals?
Disconnect the battery. Use a wire brush to remove any corrosion. Apply dielectric grease to the terminals after cleaning to help prevent future buildup.
Troubleshooting
Battery does not provide power
Ensure terminals are clean and connections are tight. Check if the battery was properly activated if purchased as a dry charge. Test voltage with a multimeter.
Slow engine cranking
Check terminal connections for tightness and corrosion. Ensure the battery is fully charged. Verify compatibility with the vehicle's engine requirements.
Battery case is swollen
This can indicate overcharging or extreme heat. Disconnect the battery and have it tested. Ensure the charging system on the vehicle is functioning correctly.
Corroded terminals
Disconnect the battery. Clean terminals with a wire brush. Apply a thin layer of dielectric grease to prevent future corrosion.
Pros and Cons
Pros
- Reliable starting power even in demanding conditions.
- Zero maintenance required, saving time and effort.
- Enhanced safety due to sealed design and no free acid.
- Longer lifespan compared to conventional batteries.
- Resistant to vibrations, ideal for motorcycle use.
Cons
- May require initial activation if purchased as a dry charge.
- Specific dimensions might limit compatibility with all models.
- AGM batteries can be sensitive to overcharging.
Setup, Compatibility & Care
Setup:
This battery is a sealed, maintenance-free unit. If purchased in a dry charge state, it requires the electrolyte to be added and allowed to absorb before installation. Follow the specific instructions provided with the battery for activation. Ensure the battery is installed in an upright position to prevent any potential issues.
Compatibility:
The Bosch FA121 YT9B-BS is specifically designed for certain motorcycle and ATV models. Key applications include:
- Yamaha XT X 660 (2004-2015)
- Yamaha YFM R Raptor 700 (2006-2022)
- Yamaha YZF R6 600 (2001-2005)
Always verify the battery's dimensions (150 x 70 x 105 mm) and specifications against your vehicle's requirements before purchasing.
Care:
Due to its AGM technology, this battery is virtually maintenance-free.
- Keep the battery terminals clean and free of corrosion. Use a wire brush for cleaning if necessary, and apply a dielectric grease to protect them.
- Ensure the battery is securely mounted to prevent excessive vibration damage.
- Avoid deep discharging the battery. If the vehicle is stored for extended periods, consider using a suitable trickle charger designed for AGM batteries.