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Left Drz sitting for months?

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As I have been collecting parts for my drz 400sm, I have let it sit in my mechanics garage for a few months. Should I expect battery failure? If so how might I combat this? Should my first upgrade be a lithium powered battery? If not how might I check the battery life? Would you assume that I will need a battery charge bike is less than a year old

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A few months shouldn't hurt your battery.  May need a top off but shouldn't be dead.

Personally I am on the fence on Lithium batteries.  Only real savings I see is weight and size.  They seem to last a little longer but not enough to justify cost. If the bike is running right you don't really need the extra juice some of them can put out either.

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Your battery is probably dead, but I doubt its ruined. Do yourself a favor and invest in a battery tender and keep it plugged in when not riding. If the battery has failed, I only recommend Yuasa if sticking to lead acid (I use an oversized Yuasa YTZ10S which requires a custom bracket). Any of the Lithium batteries will work but only EarthX I think has the on-board circuitry to properly care for it. The rest will require your attention on occasion depending on your riding habits.

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Why would it be dead? If nothing is draining it charge shouldn't change much over a few months.

I leave my street bike in the shed without a tender from October until may and it has fired right up last 3 years.

Sent from my SM-G935V using ThumperTalk mobile app

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Why would it be dead? If nothing is draining it charge shouldn't change much over a few months.

I leave my street bike in the shed without a tender from October until may and it has fired right up last 3 years.

Sent from my SM-G935V using ThumperTalk mobile app



I believe the speedo does have a parasitic drain
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DRZ s and SM have a ~150mA draw from the clock its not unusual to find the bike wont start after sitting 2 weeks PT is right on get a tender or disconnect the battery or snip the clock wire.

 

also do the free power mod it really is free power unfortunately its volts not horses :)

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On 7/26/2017 at 1:28 PM, HansLanda said:


I believe the speedo does have a parasitic drain

It does, but it's negligible compared to poor wiring or grounding issues. FPM is the way to go to get every last bit of juice from the reg/rect.

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Running your charging system straight to your harness without a fusible link is asking for it. :facepalm:

Quote

We’re talking horrendous electrical wiring mistakes that not only lead to darkness, but disaster. Un-protected circuits void of fuses or circuit breakers, vulnerable wiring subject to chaffing and short circuits, way too many accessories on one circuit, HID headlights without relays,.................

https://www.howacarworks.com/accessories/checking-and-replacing-fuses

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