The New And Improved Unofficial R65 Forum V2

Technical Discussion => BMW Technical Q&A, Primarily R65 => Topic started by: MarkMod on July 31, 2012, 03:58:36 PM

Title: Electrical problem
Post by: MarkMod 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
Title: Re: Electrical problem
Post by: Bob_Roller 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 .
Title: Re: Electrical problem
Post by: montmil 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.
Title: Re: Electrical problem
Post by: Session101 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
Title: Re: Electrical problem
Post by: MarkMod 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.