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  #1  
Old 22-02-2018
Love muscle's Avatar
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New battery for 14 WR450 - sooo many options

Hey guys,
The battery has finally given up the ghost. Mainly through an alarm I put on which constantly drained it many times now it has no reserve left.
Yamaha standard is 130 CCA

There are (CCA)
130 $80
170 $130
220 $220
Plus a heap more

What do you think?
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Old 22-02-2018
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SSB lithium. Put one in my CRF and itís great. Cranks hard & fast. Think itís a 150cca.
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Old 22-02-2018
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I think a lithium might not like the constant drain from the alarm though.
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Old 23-02-2018
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I was plannning on putting an isolation switch for the alarms power supply to stop the drain, and then I can arm the alarm whenever I want. It was never a good starter off the e start, this might change it if I go for the 170 CCA
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Old 23-02-2018
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The raised CCA of the same size lithium V's lead acid certainly cranks them over harder/quicker.
Maybe remove the alarm altogether and alarm the shed or use an alarm with it's own power supply.
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Old 24-02-2018
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The WR is a bit funny with it's cam timing or decomp as you've prob experienced when it sometimes isn't able to crank over (something most wr owners are used to). So where as my crf gets away with a tiny 4 cell, i'd prob be going pretty high on the CCA for the WR??

Need some other WR owners to pipe up...
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Old 24-02-2018
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Spot on the money Disco, the not starting cold is Yamaha trait.

I used to move it in gear with the clutch in to get the engine to a different part of the stroke and it would fire right.

It was like it got stuck in nowhere land (top dead center) and need help moving past it.
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Old 25-02-2018
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Well I've gone for the 150, standard is 130.
I've got the ammeter out, the alarm draws about 5mA. When the alarm is isolated, there is about 0.12mA draw. Do you think this is standard dissipation?
I'll let u know how it cranks when warm when I put it in
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