CANONICAL BATTERY REFERENCE

Y50-N18A-A
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
20 Ah
Cold cranking
240 A (EN)
Dimensions
205 × 90 × 176 mm
Chemistry
Flooded lead-acid
Terminals
Positive left, negative right (as shown in manufacturer top-view layout); Yuasa type 7

Compatible replacement research

TypeProductAmazon
Conventional flooded lead-acidStock chemistry
Yuasa Y50-N18A-A Yumicron 12 Volt Battery - (YUAM228AY)
Yuasa

Yuasa Y50-N18A-A Yumicron 12 Volt Battery - (YUAM228AY)

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ATVs that use the Y50-N18A-A

Find your model, year and configuration below. Follow a year link to its full battery guide.

Suzuki

YearModel / trimBattery
1987–1999LT-4WD QuadRunner (Opt) (250cc) ↗
LT-4WD QuadRunner (Opt)
Y50-N18A-A
1988–2001LT-F250 QuadRunner (Opt) (250cc) ↗
LT-F250 QuadRunner (Opt)
Y50-N18A-A
1999–2002LT-F250F QuadRunner (CN, Opt) (250cc) ↗
LT-F250F QuadRunner (CN, Opt)
Y50-N18A-A
1999–2002LT-F300F KingQuad (CN, Opt) (300cc) ↗
LT-F300F KingQuad (CN, Opt)
Y50-N18A-A
1991–1999LT-F4WDX KingQuad (CN, Opt) (280cc) ↗
LT-F4WDX KingQuad (CN, Opt)
Y50-N18A-A
1999–2002LT-F4WDX KingQuad (Opt) (300cc) ↗
LT-F4WDX KingQuad (Opt)
Y50-N18A-A
1985–1986LT250EF QuadRunner (250cc) ↗
LT250EF QuadRunner
Y50-N18A-A

Dimensions and installation checks

The sourced dimensions are 205 × 90 × 176 mm (approximately 8.07 × 3.54 × 6.93 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.