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Jun 21st 2021, 12:40 PM   #1
 Big Cham's Avatar
  Jun 2016

How often do you replace your motorcycle battery?

Seems like, Iím replacing my motorcycle battery every other year. Is this normal? Also I only ride it for 3 months, so it sits all year long until now.
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Jun 21st 2021, 01:22 PM   #2
 Tripledij's Avatar
  Jan 2016
  Custer WA

  Aprilia Tuono 1100 and Moto Guzzi V7 III Milano
I replaced mine last spring and rode it once, then about 5 months later she was TU

I have since wired in a battery tender, with that you should be good to go for years I would think. I am interested in what others think about this.
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Jun 21st 2021, 02:17 PM   #3
  May 2016

  2016 ZX-10R; 2021 Z H2 SE
The only bike I've had that ate batteries was a 2009 F800GS. I don't think I ever got more than 30 months out of a battery. In 10 years of ownership, I had to replace the stator twice, also (known problem with those bikes).

My ZX-10R is starting just fine on a Shorai I bought for it in May, 2017. I haven't run a battery tender. This winter, it sat October to March then kicked over and started like I'd just parked it the day before, after a ride. [Sta-bil in the tank, of course..]

On a "normal" lead-acid, I don't think I've heard of anyone going longer than like 6 years, and that with a battery tender keeping it up.
Jun 21st 2021, 03:00 PM   #4
  Apr 2016

3 seasons is about all I can reliably get out of the small powersports/power equipment SLA batteries.

I have swapped to LiFePO and killed 2 so far in spectacular fashion but that is probably my fault for allowing them to sit fully discharged for half a year. I do like how light they are and how much current the can supply for starting. The down side is they are about 1/3-1/2 the amp hour capacity and they absolutely don't tolerate cold. Price has steadily decreased on this technology.

Edited by Ryanthegreat1 on Jun 21st 2021 at 03:02 PM
Jun 21st 2021, 05:47 PM   #5
 DarthVader's Avatar
  Mar 2016
  Maple Falls

Mine has tender on it off and on over the winter.
But found after 2-3 years, itís good to get a fresh
battery. By then the cranking amps drop off somewhat.
Jun 21st 2021, 06:28 PM   #6
 Big Cham's Avatar
  Jun 2016

So 2 to 3 years seems to be the magic number. Sounds about what I get out of my batteries…..I don’t feel left out now.
Jun 21st 2021, 07:23 PM   #7
 TREX600's Avatar
  Jan 2016
  Custer, WA

  Suzuki 09 GSXR 1000 Suzuki 09 DRZ 400SM 1970 Yamaha 250 DT1 Enduro
Jun 22nd 2021, 05:45 AM   #8
 Akdawg's Avatar
  Dec 2018
  Goldendale WA

  Classic Sportsters, Triumph & BSA
Been told by a guy that built batteries in Alaska that design life of lead acid battery is 3 -5 years. Had less that stellar luck with lithium ion units. I do know that as batteries age and cranking power falls off, cruddy connections etc that solenoids dont pull in as crisply as they should leading to starter pinions not engaging fully....we know what happens from there. Doing the ring gear on a friends Harley today for just that reason

Edited by Akdawg on Jun 22nd 2021 at 05:54 AM
Jun 22nd 2021, 06:43 AM   #9
  Apr 2017

I think I have the original 2013 battery. I put it on the Battery Tender Jr. when I think about it.
Jun 22nd 2021, 06:43 AM   #10
  Apr 2017

Might be time to replace it.
Jun 22nd 2021, 07:07 AM   #11
 lagwagonlead's Avatar
  Mar 2016
  Pasco, WA

  FJ-09, Versys 650 LT, SV650, YCF 155 SM
I've had a few batteries that lasted 5-6 years, all of them were in my daily/commuter bikes. The bikes that don't get ridden as much go bad in half that time even with a battery tender.
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Jun 22nd 2021, 08:03 PM   #12
 WarpShatner7's Avatar
  Jan 2016
  NW Oregon

Yuasa AGMs tend to last about 5 years on my R1200. Always on a battery tender. A colleague with a similar model uses Odyssey batteries and gets about the same.

However I just replaced mine with whatever Batteries Plus is selling in my format because I was under some time pressure, and you can bet I'm going to be squinting pretty hard at it in about two years.

Edited by WarpShatner7 on Jun 22nd 2021 at 08:06 PM
Jun 23rd 2021, 08:19 AM   #13
 curve addict's Avatar
  Apr 2016
  Des Moines, WA

  ...1987 Yamaha FZR1000...
Originally Posted by lagwagonlead
I've had a few batteries that lasted 5-6 years, all of them were in my daily/commuter bikes. The bikes that don't get ridden as much go bad in half that time even with a battery tender.
That's been my experience, as well.
Jun 23rd 2021, 10:38 AM   #14
  Jan 2016

  2018 Kaw Ninja H2 SX SE
I have Battery Tenders on both of my bikes.

I plug them in with the harness Religiously. Obsessively. Major OCD.

I have gotten 10+ years on some MC batteries.

Some of my Battery Tenders have gone bad. The new, lighter, solid-state ones are better than the old heavy cubes. The 1.25 amp box is better than the smaller Juniors. I use a 5 amp one on my car. Works great.

It sounds like you may have a drain or short in your bike somewhere...
Jun 23rd 2021, 11:01 AM   #15
 WarpShatner7's Avatar
  Jan 2016
  NW Oregon

Originally Posted by motoman
I use a 5 amp one on my car. Works great.

Quick show of hands, how many people have hung quick connects on all their car batteries as well? Given all the driving I haven't done in the last 16 mos, and the substantial parasitic drain of pretty much any car made after 2000 or so, both ours now have a connector hiding discreetly behind the bumper or radiator grille that can be reached without popping the hood.

  PNW Moto > Washington > Seattle > Bellingham

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