Author Topic: Battery light keeps comimg on  (Read 1135 times)

douli911

  • Newbie
  • *
  • Posts: 7
    • View Profile
Battery light keeps comimg on
« on: July 23, 2019, 09:47:38 PM »
Hi guys i just bought the Kymco downtown 300i , drove out of shop 5 minutes up the road the battery light came on pulled over and called shop they told me to bring it back . Tried to start it but would not start got it towed back to shop[ they tested it and put a new battery in . Everything fine but now the battery light comes on intermiterly , i ride to work in the morning all good till i get to the city light comes on ? i ride home nothing comes on ?
what the hell is going on ?

CROSSBOLT

  • Hero Member
  • *****
  • Posts: 7764
  • West Tennessee, USA
    • View Profile
Re: Battery light keeps comimg on
« Reply #1 on: July 23, 2019, 10:23:11 PM »
What year model, how many miles? Could be a loose connection, could be regulator-rectifier or stator. It is defective and needs repair. Your seller going to fix it?
Karl

Three motorcycles 1960-1977 (restored a 1955 BSA)
Agility 50
Yager 200i
Downtown 300i
Navy tech, Ships Engineer, pilot and aircraft mechanic

mousejunks

  • Hero Member
  • *****
  • Posts: 585
    • View Profile
Re: Battery light keeps comimg on
« Reply #2 on: July 24, 2019, 05:47:39 AM »
When the battery light comes on, it means that there battery voltage has dropped below 12 volts. At idle the charging output is the weakest (due to low rpm) so this is when the battery voltage is the lowest. When the headlights are on this will make the voltage drop worse.

In summary either the battery or regulator are faulty and need to be replaced.
'09 Kymco Espresso 150i
'11 Kymco Downtown 300i ABS - 79,500km
'17 Kymco Downtown 350i ABS

mousejunks

  • Hero Member
  • *****
  • Posts: 585
    • View Profile
Re: Battery light keeps comimg on
« Reply #3 on: July 24, 2019, 06:21:19 AM »
Some specs for battery voltage:

Off 12.6-12.8V
Idle ~13.0V
4000rpm 14.0-15.0V
« Last Edit: July 27, 2019, 11:36:30 PM by mousejunks »
'09 Kymco Espresso 150i
'11 Kymco Downtown 300i ABS - 79,500km
'17 Kymco Downtown 350i ABS

mrbios

  • 2005 Kymco Grandvista 250cc
  • Hero Member
  • *****
  • Posts: 619
  • Just crusing along on my 2005 GV250
    • View Profile
    • My YouTube Channel
Re: Battery light keeps comimg on
« Reply #4 on: July 30, 2019, 09:38:02 PM »
Unrelated topic... it appears that only the downtown 300i is available in the USA?  No 350i / 400i?
PaulC

mousejunks

  • Hero Member
  • *****
  • Posts: 585
    • View Profile
Re: Battery light keeps comimg on
« Reply #5 on: July 30, 2019, 11:57:55 PM »
Unrelated topic... it appears that only the downtown 300i is available in the USA?  No 350i / 400i?

I can't seem to find it on the US site, so unfortunately not :(
'09 Kymco Espresso 150i
'11 Kymco Downtown 300i ABS - 79,500km
'17 Kymco Downtown 350i ABS

An Error Has Occurred!

Call to undefined function split()