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12 Volt YT12B-BS Scooter & Motorcycle Battery (Premium)

12 Volt YT12B-BS Scooter & Motorcycle Battery (Premium)
Item #: B77-8427
Regular Price:$86.99
Sale Price:$69.99
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This battery is used on several motorcycles and large scooters.

This is a Premium quality battery from WestCo Battery.

AGM batteries offer the following advantages over conventional batteries:

  • Sealed maintenance free design means you don’t have to worry about checking water levels.
  • AGM technology will not leak or corrode on paint and chrome.
  • They have less internal resistance which offers more CCA amperage than wet batteries.
  • By nature AGM batteries are more heat and vibration resistant than conventional batteries, both which contribute to the large majority of failures in motorcycle applications.
  • Slower self discharge rate (longer shelf life) means battery can sit for extended periods of time without constant monitoring.


  • The sealed AGM battery requires very little maintenance during storage. The advanced technology eliminates the need to monitor and maintain water levels. The sealed design means much longer periods between charges when the battery is inactive.
    Voltage: 12 Volts
    Amp Hour: 10 Ah
    Cold Cranking Amps (CCA): 125
    Length: 6"
    Width: 2-3/4"
    Height: 5-1/8"
    Weight: 9.5 lb.
    Polarity: Pos. left/Neg. right
    Equivalent Brand Part Numbers:
  • Yuasa YT12B-BS Battery
  • GS-Ztong Yee GT12B-4
  • WestCo 12V12B-4


  • Known Compatibility:
    Motorcycles
  • Benelli 1130cc Tornado

  • Ducati (All current models) (excl. 1098)

  • Kawasaki ZX1000-C Ninja (ZX-10R)

  • Yamaha 600cc FZ6 and YZF-R6

  • Yamaha XVS650 V-Star (All)

  • Yamaha 1000cc YZF-R1


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