yamaha v star 1100 battery size

2 min read 04-02-2025

Choosing the right battery for your Yamaha V Star 1100 is crucial for reliable starts and optimal performance. This guide provides a detailed look at the battery size and other important considerations to keep your cruiser running smoothly.

Identifying the Correct Yamaha V Star 1100 Battery

The Yamaha V Star 1100, across its various model years (including the Classic and Silverado variations), generally uses a YTX20L-BS or an equivalent battery. However, it's vital to verify this with your owner's manual. The specific battery type might vary slightly depending on the year and model of your motorcycle. Your owner's manual will provide the definitive answer and eliminate any guesswork.

Understanding Battery Specifications

The "YTX20L-BS" designation contains important information:

YTX: This indicates a sealed, maintenance-free battery with a top terminal design. This type is popular for motorcycles due to its durability and ease of maintenance.
20: This refers to the battery's physical size and capacity. It's a relatively large battery, common in motorcycles with higher power demands.
L: Denotes the length of the battery.
BS: Specifies the battery's terminal configuration (both positive and negative terminals are on the same side, typically the top).

Beyond the Battery Size: Other Important Factors

While knowing the battery size is essential, other factors play a vital role in selecting the right replacement:

Cold Cranking Amps (CCA):

The CCA rating indicates the amount of current the battery can deliver at 0°F (-18°C) for 30 seconds while maintaining a voltage above a specified level. A higher CCA rating ensures reliable starting, especially in cold weather. Check your owner's manual for the recommended CCA rating for your specific V Star 1100 model. Using a battery with insufficient CCA can lead to starting problems.

Reserve Capacity (RC):

The RC rating measures how long the battery can supply power at a 25-amp draw. This is crucial for accessories and running the bike's electrical system if the engine isn't running. A higher RC rating translates to longer runtime for accessories and a better safety margin.

Battery Chemistry:

Almost all modern motorcycle batteries, including those for the V Star 1100, use Absorbent Glass Mat (AGM) technology. AGM batteries are sealed, maintenance-free, and offer excellent vibration resistance – ideal for the demands of a motorcycle.

Finding a Replacement Battery

Once you've confirmed the correct battery size and specifications from your owner's manual, you can find a replacement at various retailers:

Motorcycle dealerships: They usually stock OEM (Original Equipment Manufacturer) batteries and can provide expert advice.
Auto parts stores: Many auto parts stores carry a wide range of motorcycle batteries.
Online retailers: Online shopping offers convenience and often competitive pricing. However, carefully check reviews and ensure the seller is reputable.

Maintaining Your Yamaha V Star 1100 Battery

Proper battery maintenance is crucial for longevity:

Keep terminals clean: Regularly clean the battery terminals with a wire brush and baking soda solution to ensure good electrical contact.
Check voltage: Periodically check the battery voltage with a multimeter to ensure it's within the recommended range.
Avoid deep discharges: Avoid leaving accessories on for extended periods when the engine is off to prevent deep discharges that can damage the battery.
Consider a battery tender: A battery tender maintains the battery's charge while the motorcycle is not in use, especially during periods of inactivity.

By understanding your Yamaha V Star 1100's battery size and the factors outlined above, you can ensure a smooth, reliable ride for many years to come. Remember to always consult your owner's manual for the most accurate and up-to-date information.