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Author Topic: Electrical problem  (Read 627 times)

MarkMod

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Electrical problem
« on: July 31, 2012, 03:58:36 PM »
Last time I used the bike it didn't start the first time, the starter just clicked a lot of times. Second time it started.

Today, no such luck, the starter just clicks and engine does not turn over. Switched off the ignition and tried again 10 mins later. Pushed starer again, got half a turn then just fast clicking from the starter.

I think the battery is quite new. I have no meter as yet so is this the first thing to check after a re-charge.

I would of thought if the battery didn't have any power the starter wouldn't click over fast.

Your thoughts would be much appreciated.

Thanks

Mark
« Last Edit: July 31, 2012, 03:59:58 PM by MarkMod »

Offline Bob_Roller

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Re: Electrical problem
« Reply #1 on: July 31, 2012, 04:04:19 PM »
You need to charge the battery until it's fully charged .

Depends on the type of charger you have  for the length of time required .

You need to have a multimeter to check the battery voltage .
'81 R65
'82 R65 LS
'84 R65 LS
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Riding all year long since 1993 .
I'll give up my R65, when they pry my cold dead hands from the handlebars !!!!!

Offline montmil

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Re: Electrical problem
« Reply #2 on: July 31, 2012, 10:57:18 PM »
And if you're riding only short, local trips, the alternator does not have enough time to bring the battery back up to a full charge. Remember, there's really no juice going to the battery until the engine revs get up to 1500-2000 revs and stay up for awhile.

A battery Tender Jr should be a planned purchase.
Monte Miller
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Session101

  • Guest
Re: Electrical problem
« Reply #3 on: July 31, 2012, 11:26:17 PM »
i would also like to confirm and add in that the battery doesn't have enough cold cranking amps to turn the starter, i would fully charge your battery and try again, if still no, then its time for a new battery

MarkMod

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Re: Electrical problem
« Reply #4 on: August 01, 2012, 03:49:34 AM »
Thanks for replies. I spoke to an ex BMW mechanic this morning and he echoes some of your thoughts.

He says jump start it from a car with no engine running. If it starts straight away then its the battery.

My riding is mostly over 4,000 revs to be honest.