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Battery problems

  • 10-01-2014 10:43pm
    #1
    dwelby101
    Registered Users Posts: 247 ✭✭


    Hi there, I am having problems with my bike battery and would appreciate any insight... Today I tested the battery voltage and it was at 12.7 volts standing, when I started the bike it dropped to between 9 -10 volts which I think is ok, while idling though it was a bit high at around 17v ..... I checked the drain on the battery while the bike was off and it was 1.1ma which I think is ok. The problem is, I went for a short spin this evening and parked the bike, when I got back to the bike it barely started and after a few minutes the lowbeam bulb blew so I pulled over to check it and knocked off the bike... (Stupidly) then the damn thing wouldn't start... Eventually I bump started it and on the way home the high beam bulb blew, any ideas what could cause this?


Comments

  • #2
    johnayo
    Registered Users, Registered Users 2 Posts: 1,718 ✭✭✭johnayo


    Are you sure that the 17volts is ok. If it were a car, the battery would be starting to cook at that voltage. Blowing bulbs would be one symptom of overcharging.


  • #3
    Hotblack Desiato
    Registered Users, Registered Users 2 Posts: 35,391 ✭✭✭✭Hotblack Desiato


    The charging system voltage should never exceed 15V at any revs (14.5V is usually where the regulator kicks in and you'll need a few thousand revs to reach that, idling voltage is usually no more than 13) so your rectifier/regulator is fooked.

    Scrap the cap!



  • #4
    dwelby101
    Registered Users Posts: 247 ✭✭dwelby101


    Cheers lads, yeah i think the regulator is done alright... seems that the gsxr's have a problem with the regulator /rectifier's and the generators so I guess i've a few things to test tomorrow, battery, fuses, rectifier and stator(generator) thankfully the manual is really detailed! does anyone know a good supplier for these types of components (other than ebay / amazon)?


  • #5
    Hotblack Desiato
    Registered Users, Registered Users 2 Posts: 35,391 ✭✭✭✭Hotblack Desiato


    http://www.triumphrat.net/speed-triple-forum/104504-charging-system-diagnostics-rectifier-regulator-upgrade.html

    ^ Thread about upgrading Triumphs with an R1 MOSFET rec-reg. The MOSFET rec-regs run much cooler and seem to be a lot more reliable.

    In principle it's the same for any bike.

    If nothing else, it tells you how to give your R/R and stator a good going over with the multimeter :)

    Scrap the cap!



  • #6
    cantdecide
    Registered Users, Registered Users 2 Posts: 11,465 ✭✭✭✭cantdecide


    ninja900 wrote: »
    http://www.triumphrat.net/speed-triple-forum/104504-charging-system-diagnostics-rectifier-regulator-upgrade.html

    ^ Thread about upgrading Triumphs with an R1 MOSFET rec-reg. The MOSFET rec-regs run much cooler and seem to be a lot more reliable.

    In principle it's the same for any bike.

    If nothing else, it tells you how to give your R/R and stator a good going over with the multimeter :)

    That's a great thread and a great mod. I have it all to do on the Mille.


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  • #7
    dwelby101
    Registered Users Posts: 247 ✭✭dwelby101


    Quick update.

    So I managed to get to the couplers for the rectifier (a bit trickier than i thought )and i tested the terminals as per the manual and as we thought, yep the rectifier is shot... I hope this Is not due to a faulty power generator though. Will see if i can do some tests on that too, maybe tomorrow. I read somewhere that suzuki done a recall on the dodgy rectifier/regulator that came stock with the bike, not sure if this is true or not I should know for sure by tuesday, anybody heard of a recall for these?


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