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fjr battery

  • 30-05-2012 12:05pm
    #1
    tomtucker81
    Registered Users, Registered Users 2 Posts: 420 ✭✭


    Hi all,
    I have a 05 yamaha fjr, and the battery keeps draining on it when parked for a few weeks.there is an alarm/immobilisor fitted, so that's the probable cause!
    What i need to know is will the battery, when charged up, stay charged by driving the bike?basically I've charged up a flat battery and want to know will it stay charged after a good spin...


Comments

  • #2
    Wossack
    Registered Users, Registered Users 2 Posts: 7,026 ✭✭✭Wossack


    yep

    battery is only really used to crank the starter. its a big enough hit on the battery mind, but after 20 or 30 mins, the costs of starting it are 'repaid' by the charging system and it'll just keep the battery peaked

    battery might just be old though, and no longer holding a charge


  • #3
    tomtucker81
    Registered Users, Registered Users 2 Posts: 420 ✭✭tomtucker81


    Yeah it didn't hold the charge, even after a good drive. New battery purchased!


  • #4
    Hotblack Desiato
    Registered Users, Registered Users 2 Posts: 35,412 ✭✭✭✭Hotblack Desiato


    If it's only being run every few weeks then there'll be problems even without an alarm.
    Get an Optimate or similar.

    Scrap the cap!



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