Yamaha YFZ450 (450cc)
battery guide.
Battery fitment can depend on year, trim and model code. Match the configuration in the chart to your ATV before choosing a replacement.
Battery applications for the configurations listed below.
Confirm the year. Check the trim.
The Yamaha YFZ450 (450cc) chart references YTX5L-BS and YT7B-BS and YTZ7S.These configurations are listed in an identified manufacturer application source.Match the year and configuration, then check the physical installation.
Jump to your year
Battery fitment by year
Each row covers only the configuration shown. Other trims and missing years are not established by this chart.
| Year | Model / trim | Battery |
|---|---|---|
| 2017 | YFZ450 (450cc) / YFZ450 | YTX5L-BS / YTZ7S |
| 2013 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
| 2012 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
| 2011 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
| 2010 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
| 2009 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
| 2008 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
| 2007 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
| 2006 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
| 2005 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
| 2004 | YFZ450 (450cc) / YFZ450 | YT7B-BS |
Battery sizes and specifications
YTX5L-BS ↗
- Voltage
- 12 V
- Capacity
- 4 Ah
- Cold cranking
- 80 CCA
- Dimensions
- 114 × 71 × 106 mm
- Chemistry
- AGM lead-acid
- Terminals
- Negative left, positive right (as shown in manufacturer top-view layout); Yuasa type 5
YT7B-BS ↗
- Voltage
- 12 V
- Capacity
- 6.5 Ah
- Cold cranking
- 120 CCA
- Dimensions
- 150 × 65 × 93 mm
- Chemistry
- AGM lead-acid
- Terminals
- Positive left, negative right (as shown in manufacturer top-view layout); Yuasa type 11 (brass-plated steel)
YTZ7S ↗
- Voltage
- 12 V
- Capacity
- 6 Ah
- Cold cranking
- 130 CCA
- Dimensions
- 113 × 70 × 105 mm
- Chemistry
- AGM lead-acid
- Terminals
- Negative left, positive right (as shown in manufacturer top-view layout); Yuasa type 5
Replacement battery research
| Type | Product | Amazon |
|---|---|---|
| AGMStock chemistry | View on Amazon ↗ | |
| AGMStock chemistry | View on Amazon ↗ | |
| Gel lead-acid | View on Amazon ↗ | |
| Lithium (LiFePO4) | View on Amazon ↗ | |
| Lithium | View on Amazon ↗ |
As an Amazon Associate, we earn from qualifying purchases. How affiliate links work.
| Type | Product | Amazon |
|---|---|---|
| AGMStock chemistry | View on Amazon ↗ | |
| AGMStock chemistry | View on Amazon ↗ | |
| Gel lead-acid | View on Amazon ↗ |
As an Amazon Associate, we earn from qualifying purchases. How affiliate links work.
| Type | Product | Amazon |
|---|---|---|
| AGMStock chemistry | View on Amazon ↗ | |
| AGMStock chemistry | View on Amazon ↗ | |
| Gel lead-acid | View on Amazon ↗ | |
| Lithium | View on Amazon ↗ | |
| Lithium (LiFePO4) | View on Amazon ↗ |
As an Amazon Associate, we earn from qualifying purchases. How affiliate links work.
2017 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery options: YTX5L-BS / YTZ7S.
- YTX5L-BS: 114 × 71 × 106 mm (length × width × height); 12 V; 4 Ah; 80 CCA.
- YTZ7S: 113 × 70 × 105 mm (length × width × height); 12 V; 6 Ah; 130 CCA.
Compare AGM, Gel lead-acid, Lithium (LiFePO4), and Lithium options for YTX5L-BS and YTZ7S. Select a product to shop on Amazon.
Mighty Max BatteryYTX5L-BS · AGMShop now ↗
YuasaYTX5L-BS · AGMShop now ↗
ExpertPowerYTX5L-BS · Gel lead-acidShop now ↗
TYKOOLYTX5L-BS · Lithium (LiFePO4)Shop now ↗
TYKOOLYTX5L-BS · LithiumShop now ↗
Mighty Max BatteryYTZ7S · AGMShop now ↗
YuasaYTZ7S · AGMShop now ↗
Mighty Max BatteryYTZ7S · Gel lead-acidShop now ↗
Mighty Max BatteryYTZ7S · LithiumShop now ↗
TYKOOLYTZ7S · Lithium (LiFePO4)Shop now ↗2013 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
2012 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
2011 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
2010 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
2009 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
2008 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
2007 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
2006 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
2005 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
2004 Yamaha YFZ450 (450cc) battery size
YFZ450
Battery code: YT7B-BS.
- YT7B-BS: 150 × 65 × 93 mm (length × width × height); 12 V; 6.5 Ah; 120 CCA.
Compare AGM and Gel lead-acid options for YT7B-BS. Select a product to shop on Amazon.
Fitment details
The chart lists battery options by year and configuration. Match the complete model and trim shown in the table.
How to confirm your battery
- Match your manufacturer, full model code, year and trim to an OEM manual.
- Compare the existing battery label with the manufacturer-approved battery code.
- Measure length, width and height, including clearance for covers and straps.
- Confirm positive and negative terminal positions, terminal type and cable reach.
- Check the required electrical specification and charging instructions.
Changing battery chemistry?
Check the battery manufacturer's application and charging guidance before moving between lead-acid and lithium. Vehicle charging compatibility, mounting and cold-weather requirements depend on the specific product. Read our AGM and lithium checklist.
Related Yamaha models
Grizzly 700
Explore the year and trim chart, battery specifications and fitment checks.
Sourced fitments · 2007–2025View battery guide Yamaha / ATV BATTERY GUIDEGrizzly 550
Explore the year and trim chart, battery specifications and fitment checks.
Sourced fitments · 2009–2014View battery guide Yamaha / ATV BATTERY GUIDEKodiak 450
Explore the year and trim chart, battery specifications and fitment checks.
Sourced fitments · 2003–2025View battery guide

