Motobatt Battery MB10U Sealed Factory‑Activated Replaces: 12N10‑3A, 12N10‑3A‑1, 12N10‑3A‑2, 12N10‑3B, 12N11‑3A‑1, YB10A‑A2, YB10L‑A2, YB10L‑B, YB10L‑B2

OVERVIEW

The Motobatt MB10U is a sealed power sport battery engineered to restore reliable starting power and stabilize voltage curves for aging two-wheel machines. Built with advanced Absorbent Glass Mat construction, this factory-activated unit delivers consistent electrical output while eliminating traditional spill risks and routine maintenance requirements. Designed as a direct cross-reference replacement for legacy OEM cells, it provides a precise physical footprint match for decades of classic and modern motorcycle platforms.

ENGINEERING & PERFORMANCE

This sealed ABSORBENT GLASS MAT cell pack incorporates an integrated glass fiber separator system that immobilizes electrolyte within porous mats, ensuring immediate engine turnover and stable voltage delivery during cold cranking events up to 175 amps. The reinforced internal plate architecture absorbs heavy-duty vibration and shock, preventing premature sulfation or cell breakdown on track-focused or off-pavement applications. The permanently enclosed design operates entirely maintenance-free while maintaining consistent amperage delivery regardless of ambient temperature fluctuations.

KEY FEATURES

• Sealed Absorbent Glass Mat (AGM) chemistry for leak-proof operation
• Factory-activated design requiring zero pre-installation preparation
• QuadFlex multi-position terminal architecture with four independent mounting posts
• Direct OEM cross-reference replacement for legacy Yuasa and 12N-series batteries
• High-density internal plates deliver 175 Cold Cranking Amps (CCA)
• Maintenance-free operation eliminates water top-ups and electrolyte monitoring
• Vibration-dampening construction withstands rough terrain and track impacts
• Precise dimensional matching fits tight vintage battery trays and modern frames
• Stabilized voltage curves protect modern aftermarket electronics and ignition systems

TECHNICAL SPECIFICATIONS

• Brand: Motobatt
• Part Name: MB10U Sealed Factory-Activated Battery
• Component Type: Power Sport Battery
• Material: Sealed Absorbent Glass Mat (AGM) with reinforced internal plates
• Supported Years: 1964–2009 (model-specific coverage varies)
• Compatible Trims: Classic and modern dual-sport, trail, cruiser, and utility motorcycles
• Voltage: 12 Volts DC
• Cold Cranking Amps (CCA): 175
• Amp-Hour Rating: 14.5 Ah
• Case Dimensions: 5.31" L x 3.54" W x 5.75" H
• Terminal Configuration: 4-Point Quadrilateral Flex Mounting Posts
• Direct Replacements: 12N10-3A, 12N10-3A-1, 12N10-3A-2, 12N10-3B, 12N11-3A-1, YB10A-A2, YB10L-A2, YB10L-B, YB10L-B2

FITMENT

• GILERCIA Arizona Rally (All Years)
• GILECER Dakota E-Starter (All Years)
• GILECIR ER E-Starter (All Years)
• GILECIRC RC Rally (All Years)
• GILECIRDV NGR E-Starter (All Years)
• KAWASAKI Bayou 185 (1985–1988)
• KAWASAKI Bayou 220 (1988–2002)
• KAWASAKI Bayou 250 (2003–2009)
• KAWASAKI KLT200-A/C (1981–1984)
• KAWASAKI KLT250-C Prairie (1984–1985)
• KAWASAKI KZ650 SR/LTD/Custom (1977–1980)
• KAWASAKI KZ305 CSR/LTD (1981–1988)
• KAWASAKI C900 LTD (1976–1977)
• SUZUKI DR650SE (1996–1997)
• SUZUKI GT185 Adventurer (1973–1977)
• SUZUKI GT550 Indy (1972–1977)
• SUZUKI GS250T (1980–1981)
• SUZUKI GS400 (1977–1978)
• SUZUKI GS425/GS425E/L (1979–1979)
• SUZUKI GS450 (1980–1982)
• SUZUKI GS500/F (2001–2009)
• SUZUKI GS500E (1989–2000)
• SUZUKI GS550E/ES/L/TX (1977–1986)
• SUZUKI GS650E (1981–1982)
• SUZUKI GSX600F Katana (1988–1997)
• SUZUKI GN250 (1982–1988)
• SUZUKI TC185 Ranger (1974–1977)
• YAMAHA XC180 Riva (1983–1985)
• YAMAHA XC200 Riva (1987–1991)
• YAMAHA XV250 Route 66 (1988–1990)
• YAMAHA XV250 Virago (1995–2003)
• YAMAHA YA6 (1964–1966)

WHY RIDERS CHOOSE THIS

Riders select the Motobatt MB10U when restoring vintage motorcycles or upgrading daily commuters because the QuadFlex terminal layout removes the frustration of mismatched factory cable clamps. By utilizing stabilized AGM cellular construction, operators guarantee consistent amperage delivery regardless of temperature changes, which is critical for older contact-breaker ignition systems and fragile vintage electronics. This specific cross-reference solution eliminates guesswork during sourcing, providing a drop-in installation that honors the original equipment envelope while projecting significantly higher structural integrity than outdated flooded lead-acid designs.