Yuasa - YTX14AHL AGM Maintenance Free Battery

Yuasa YTX14AHL AGM Maintenance Free Powersports Battery The Yuasa YUAM72H4L corresponds to the YTX14AHL, a high-performance, factory-activated Absorbed Glass Mat (AGM) 12-volt battery engineered to replace tall, conventional flooded batteries in dual-sport, cruiser, and vintage multi-cylinder applications. It is frequently confused with the standard low-profile YTX14-BS; however, the YTX14AHL features a distinct tall casing (166 mm high), reversed polarity (negative on the left, positive on the right), and arrives fully sealed, filled, and charged directly from the factory. Built with Yuasa's radial lead-calcium grid geometry, the YTX14AHL delivers 210 Cold Cranking Amps (CCA) and a 12.0 Ah capacity. The micro-porous absorbed glass mat separators suspend all liquid electrolyte against internal plates, eliminating acid stratification, water loss, and terminal corrosion caused by continuous engine harmonics. Because it is factory activated (denoted by the "YUAM7" prefix), the battery is permanently hermetically sealed at Yuasa's manufacturing plant—requiring no acid handling, bottle filling, or vent tube routing, and delivering complete spill-proof protection even when installed in demanding off-road dual-sport environments. Features: Factory Activated & Sealed (FA): Ships pre-filled, sealed, and charged from the factory; requires no acid packs, manual filling, or maintenance. High Output 210 CCA: Supplies high starting current to turn over large single-cylinder thumpers and high-compression multi-cylinder powerplants. Absorbed Glass Mat (AGM) Technology: Microfiber separators retain all acid, eliminating free liquid and preventing leaks during extreme lean angles or trail drops. Direct Drop-In AGM Upgrade: Modern maintenance-free replacement for traditional flooded YB14L-A2, YB14L-A1, YB14L-B2, and 12N14-3A battery footprints. Lead-Calcium Radial Grids: Holds state of charge up to three times longer than standard lead-antimony batteries during seasonal layups. Vibration-Damped Internals: Compact internal cell pack design resists heavy single-cylinder engine vibration and rough off-road impacts. Made in the USA: Manufactured at Yuasa's Laureldale, Pennsylvania battery facility. What's in the Box: 1x Yuasa YTX14AHL Factory-Activated Sealed AGM Battery (YUAM72H4L) 1x Terminal Hardware Kit (M6 Lead Terminal Bolts & Rectangular Nuts) 1x User Manual & Installation Guide Fitment Notes: Model Distinction (YTX14AHL vs. YTX14-BS): YTX14AHL (YUAM72H4L): Measures 134 mm L x 89 mm W x 166 mm H. Reversed polarity: Negative Left, Positive Right ([- +]). Tall profile. YTX14-BS (YUAM3RH4S): Measures 150 mm L x 87 mm W x 145 mm H. Standard polarity: Positive Left, Negative Right ([+ -]). Wide, low profile. These two models are not interchangeable due to different physical dimensions and opposite terminal orientations. Direct Conventional Replacement: Drops into battery boxes originally designed for conventional wet-cell batteries: YB14L-A2, YB14L-A1, YB14L-B2, SYB14L-A2, and 12N14-3A. Eliminating Vent Tubes on Upgraded Bikes: Conventional flooded YB14L-A2 batteries require an open-air acid overflow drain tube routed downward past the swingarm. Because the YTX14AHL is a fully sealed AGM unit, it does not use or require an external vent hose. When replacing a flooded battery on a bike like a KLR650 or vintage Honda CB, discard the old clear overflow hose and cap or remove the routing clamps. There is zero risk of acid dripping onto your swingarm, rear shock linkage, or frame rails during aggressive off-road riding or tip-overs. Pre-Installation Refresh Charge: Although this battery arrives factory activated and sealed, chemical shelf discharge occurs naturally during warehouse transit and storage. Always test resting voltage with a multimeter before installing it in the motorcycle. If resting open-circuit voltage reads below 12.7V, connect the battery to an automatic smart charger rated between 1.0A and 1.2A until it reaches full saturation (12.8V to 13.0V). Starting an engine on a partially discharged AGM battery risks glaze sulfation on the lead plates, permanently reducing cranking capacity. Terminal Bolt Retainer Trick: The lead terminals on the YTX14AHL utilize floating rectangular nuts that sit inside open terminal pockets. When lowering the battery into the deep battery tray of a Kawasaki KLR650 or Suzuki LS650, these nuts can easily slide out and fall into hard-to-reach frame crevices. Slice a 1/4" cube of closed-cell foam or dense fuel line and wedge it beneath each terminal nut inside the lead post pocket. This holds the nut pressed firmly against the top lip, allowing your M6 bolts to thread immediately without binding or dropping. Battery Type: YTX14AHL Battery Family: Factory Activated, Maintenance Free Voltage: 12 Capacity (10-HR): 12 Dimensions: 5 5⁄16 in. x 3 1⁄2 in. x 6 9⁄16 in. Weight: 11.1 lbs. Metric Dimensions: 134mm x 89mm x 166mm Acid Volume: N/A oz Amps: 1.2 C.C.A: 210 Country: USA Terminal: Part Number: YUAM72H4L