{"product_id":"mighty-max-battery-ytx9-bs-12v-8ah-agm-motorcycle-atv-replacement-sealed-vibration-resistant","title":"Mighty Max Battery YTX9-BS 12V 8Ah AGM Motorcycle \u0026 ATV Replacement — Sealed, Vibration‑Resistant","description":"\u003cp\u003e\u003cstrong\u003eThe Mighty Max Battery YTX9-BS is a sealed 12V, 8Ah AGM battery engineered to replace OEM units in select Honda ATVs and motorcycles while delivering dependable starts and durable vibration resistance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, maintenance-free YTX9-BS battery is designed for riders and mechanics who need a reliable, plug-and-play power source for off-road and street machines. Built as a sealed lead-acid (SLA\/AGM) unit, it offers a high discharge capability, wide temperature tolerance, and a one-year warranty. The battery matches the physical dimensions and terminal orientation of common Honda fitments, making it a straightforward swap for models such as TRX300EX, TRX400EX, 300EX, 400EX and CBR900R \/ CBR900RR where the original battery specification calls for a 12V 8Ah YTX9-BS equivalent.\u003c\/p\u003e\n\n\u003ch3\u003eWill this battery fit my Honda ATV or motorcycle?\u003c\/h3\u003e\n\u003cp\u003eCheck your OEM battery size, voltage, and terminal layout; the YTX9-BS is 12V and 8Ah with the positive terminal on the left and negative on the right when seated. It is a common replacement for the Honda models listed, but confirm dimensions and polarity before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDimensions: 5.90\" x 3.38\" x 4.25\" (L x W x H)\u003c\/li\u003e\n  \u003cli\u003eVoltage\/Capacity: 12V, 8Ah\u003c\/li\u003e\n  \u003cli\u003eTerminal orientation: positive-left, negative-right\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM batteries for TRX300EX, TRX400EX, 300EX, 400EX, CBR900R\/RR where applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the YTX9-BS perform in rough riding conditions?\u003c\/h3\u003e\n\u003cp\u003eThe sealed AGM construction resists vibration and shock, so the battery maintains performance on trails and uneven surfaces. Its design supports deep discharge recovery and consistent cranking power in a range of temperatures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAGM\/SLA spill-proof design resists leaks and can be mounted in any orientation\u003c\/li\u003e\n  \u003cli\u003eHigh discharge rate for reliable engine starts\u003c\/li\u003e\n  \u003cli\u003eDurable in both high and low temperature environments\u003c\/li\u003e\n  \u003cli\u003eShock- and vibration-resistant build for off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and maintenance should I expect?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward: remove the old battery, verify polarity and fit, then secure the YTX9-BS using your existing hold-downs and the included screws. No special fluids or filling are needed thanks to the sealed AGM design.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eListing includes battery and screws; no harness or mounting accessories supplied\u003c\/li\u003e\n  \u003cli\u003eRechargeable and maintenance-free—no topping up with acid or water\u003c\/li\u003e\n  \u003cli\u003eCan be mounted in any position for flexible installations\u003c\/li\u003e\n  \u003cli\u003eUse a compatible charger for storage to preserve capacity and lifespan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and safety features come with this battery?\u003c\/h3\u003e\n\u003cp\u003eThe YTX9-BS includes a full one-year warranty covering manufacturing defects under normal use. As a sealed battery it reduces the risk of spills and requires less user maintenance compared with wet-cell alternatives.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year limited warranty from Mighty Max Battery\u003c\/li\u003e\n  \u003cli\u003eSealed AGM design minimizes leak and corrosion risks\u003c\/li\u003e\n  \u003cli\u003eComplies with common safety expectations for SLA batteries when installed properly\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle manufacturer torque and wiring specs for safe installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders, mechanics, and DIY vehicle owners seeking a compact, maintenance-free replacement battery for select Honda ATVs and sport bikes. It’s best for those who want a sealed AGM unit that tolerates vibration and temperature swings, matches OEM size and polarity, and offers straightforward installation without the need for additional fluids or complex maintenance routines.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this battery fully sealed and maintenance-free?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The YTX9-BS is an AGM sealed lead-acid battery that requires no water topping and is maintenance-free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will it fit my Honda TRX400EX or CBR900RR?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It commonly replaces those models if your OEM calls for a 12V 8Ah YTX9-BS with positive-left polarity; verify dimensions and terminal location first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mighty Max Battery","offers":[{"title":"Default Title","offer_id":48085967995038,"sku":"B00K53IZTU","price":49.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/mighty-max-battery-front-view-ytx9-bs.jpg?v=1785881829","url":"https:\/\/northtrailauto.ca\/products\/mighty-max-battery-ytx9-bs-12v-8ah-agm-motorcycle-atv-replacement-sealed-vibration-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}