Description
Dependable Starting Power – The Motocross (by Yuasa) YTX9-BS AGM motorcycle battery delivers 135 Cold Cranking Amps and 8Ah of capacity for reliable starting performance in compatible motorcycles, ATVs, and scooters.
Compatible With / Replaces
The YTX9-BS is a compatible replacement for the following battery models when dimensions, terminal position, and vehicle requirements match:
- YTX9-BS
- CTX9-BS
- GTX9-BS
- UTX9-BS
- PTX9-BS
Always confirm fitment with your owner’s manual or existing battery before ordering.
Key Features
- Reliable Starting Power – 135 CCA for dependable engine starting.
- 8Ah Capacity – Provides power for starting and onboard electrical demands.
- AGM Technology – Electrolyte is absorbed within glass mat separators for sealed, spill-proof performance.
- Maintenance-Free Design – No water top-ups required.
- Vibration Resistant – Designed to withstand demanding riding conditions.
- Manufactured by Yuasa – Motocross-branded battery made by an established powersports battery manufacturer.
- Ready to Install – Filled, charged, and sealed by Royal Battery before shipping.
Specifications
- Model: YTX9-BS
- Voltage: 12V
- Capacity: 8Ah
- Cold Cranking Amps: 135 CCA
- Battery Type: AGM
- Length: 6″ (150 mm)
- Width: 3.45″ (87 mm)
- Height: 4.2″ (105 mm)
- Weight: Approximately 6.6 lbs (3 kg)
- Polarity: Positive left, negative right when facing the battery with the terminals closest to you.
- Warranty: 12 months
FAQs
Is the Motocross YTX9-BS battery maintenance free?
Yes. The battery is sealed before shipping and does not require water top-ups. Keep it charged during storage for best performance.
Does the battery arrive ready to install?
Yes. Royal Battery fills, charges, and seals the battery before shipping, so no acid filling or initial charging is required by the customer.
What vehicles use a YTX9-BS battery?
The YTX9-BS is used in compatible motorcycles, ATVs, and scooters. Confirm the correct battery model, dimensions, and terminal position before ordering.
How should I maintain the battery during storage?
Use a suitable 12V AGM-compatible battery maintainer during extended storage. Avoid leaving the battery discharged.

