YTX20L-BS
battery guide.
A single place for the battery's specifications and replacement checks. Always compare the exact product to your ATV's OEM requirements.
Quick specifications
- Voltage
- 12 V
- Capacity
- 18 Ah
- Cold cranking
- 270 CCA
- Dimensions
- 175 × 87 × 155 mm
- Chemistry
- AGM lead-acid
- Terminals
- Negative left, positive right (as shown in manufacturer top-view layout); Yuasa type 4
Compatible replacement 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.
Browse the battery product catalog ↗ATVs that use the YTX20L-BS
Find your model, year and configuration below. Follow a year link to its full battery guide.
Arctic Cat
| Year | Model / trim | Battery |
|---|---|---|
| 2021–2022 | Alterra (450cc) ↗ Alterra | YTX20L-BS |
| 2017–2018 | Alterra (500cc) ↗ Alterra | YTX20L-BS |
| 2013–2016 | ATV 450, Alterra ↗ ATV 450, Alterra | YTX20L-BS |
| 2013–2017 | TRV, CORE (450cc) ↗ TRV, CORE | YTX20L-BS |
| 2011–2017 | XC450 (450cc) ↗ XC450 | YTX20L-BS |
Can-Am
| Year | Model / trim | Battery |
|---|---|---|
| 2006–2012 | Outlander (650cc) ↗ Outlander | YTX20L-BS |
| 2006 | Outlander 660 EFI ↗ Outlander 660 EFI | YTX20L-BS |
CFMoto
| Year | Model / trim | Battery |
|---|---|---|
| 2007–2014 | Cforce 500 ↗ Cforce 500 | YTX20L-BS |
Honda
| Year | Model / trim | Battery |
|---|---|---|
| 2003–2004 | (Optional* cold starting) (650cc) ↗ (Optional* cold starting) | YTX20L-BS |
| 2006–2022 | TRX680FA Four Trax Rincon (650cc) ↗ TRX680FA Four Trax Rincon | YTX20L-BS |
| 2006–2022 | TRX680FA Four Trax Rincon (680cc) ↗ TRX680FA Four Trax Rincon | YTX20L-BS |
Kymco
| Year | Model / trim | Battery |
|---|---|---|
| 2012–2024 | Maxxer 450, MXU 450 ↗ Maxxer 450, MXU 450 | YTX20L-BS |
| 2006–2011, 2017 | MXU500 (500cc) ↗ MXU500 | YTX20L-BS |
| 2013–2021 | MXU700 (700cc) ↗ MXU700 | YTX20L-BS |
Yamaha
| Year | Model / trim | Battery |
|---|---|---|
| 2009–2014 | Grizzly 550 ↗ YMF5FG, YFM550PE, DE, DH Grizzly | YTX20L-BS |
| 2016–2025 | Grizzly 700 ↗ YFM70 Grizzly, EPS | YTX20L-BS |
| 2014–2015 | Grizzly 700 ↗ YFM700DE, DH, PE, PFPH, PS Grizzly | YTX20L-BS |
| 2014–2015 | Grizzly 700 ↗ YFM700DE,DH,PE,PF,PH,PS Grizzly | YTX20L-BS |
| 2016–2024 | Grizzly 700 ↗ YFM700GD, GP Grizzly | YTX20L-BS |
| 2007–2013 | Grizzly 700 ↗ YFM7FG Grizzly | YTX20L-BS |
| 2003–2006 | Kodiak 450 ↗ YFM450FA, YFM45FA Kodiak | YTX20L-BS |
| 2003–2006 | Kodiak 450 ↗ YFM450FA,YFM45FA Kodiak | YTX20L-BS |
| 2018–2025 | Kodiak 450 ↗ YFM45KD, KP Kodiak | YTX20L-BS |
| 2016–2025 | Kodiak 700 ↗ Kodiak 700, EPS | YTX20L-BS |
| 2016–2024 | Kodiak 700 ↗ Kodiak 700, EPS YFM70K | YTX20L-BS |
| 2000–2012 | YFM40FB Big Bear (400cc) ↗ YFM40FB Big Bear | YTX20L-BS |
| 1996–2002 | YFM40FW Kodiak/Automatic (400cc) ↗ YFM40FW Kodiak/Automatic | YTX20L-BS |
| 2000–2003 | YFM40FWN Big Bear (400cc) ↗ YFM40FWN Big Bear | YTX20L-BS |
| 2007–2014 | YFM45FG Grizzly (450cc) ↗ YFM45FG Grizzly | YTX20L-BS |
| 2006–2010 | YFM45FX Wolverine (450cc) ↗ YFM45FX Wolverine | YTX20L-BS |
| 1998–2001 | YFM600FW, FH Grizzly (600cc) ↗ YFM600FW, FH Grizzly | YTX20L-BS |
| 2002–2008 | YFM660FP, FR, FH, FL Grizzly (660cc) ↗ YFM660FP, FR, FH, FL Grizzly | YTX20L-BS |
| 2005–2008 | YFM66FA, FG Grizzly (660cc) ↗ YFM66FA, FG Grizzly | YTX20L-BS |
| 1998–2001 | YFV600FW Grizzly (600cc) ↗ YFV600FW Grizzly | YTX20L-BS |
Dimensions and installation checks
The sourced dimensions are 175 × 87 × 155 mm (approximately 6.89 × 3.43 × 6.10 inches). Measure the tray and confirm cover, strap and terminal clearance for the actual replacement.
Cross-references
No verified equivalent battery cross-references are currently published for this entry. Code normalization only resolves punctuation and spacing aliases; it does not establish interchangeability.
Before installing
Follow the vehicle and battery manufacturer's installation procedure. Confirm polarity, secure the retaining hardware and route cables correctly. Read the fitment checklist and charging and storage guidance.




