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FJR Motorcycle Forums
FJR Specific Discussion
A first time for everything
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<blockquote data-quote="RossKean" data-source="post: 1436078" data-attributes="member: 19880"><p>That seems to have started without hesitation. I think the voltage dip was too quick for the meter to read correctly. No slow turnover or blanking out of the dash. My thoughts are that the battery is OK. If you aren't riding, you might test it a couple of ways...</p><p></p><p>Let it sit for a week without any top-up charge and see if the resting voltage has dropped. If the self discharge rate is high enough to make startup problematic then it's time for replacement.</p><p></p><p>Start the bike and kill it with the switch or kickstand interlock. (Lights stay on) Leave it 5 minutes or more (monitoring voltage) and try to restart. If there is difficulty then reserve capacity is too low.</p><p></p><p>Of course, the gold standard for capacity and cranking amps is a proper load test at a battery shop. (Doesn't help with self-discharge evaluation)</p><p></p><p>My battery would easily pass on the self-discharge test and probably maintains sufficient cranking volts but would likely fail the reserve capacity check. I usually carry a lithium battery jump starter for battery emergencies, especially since I do a fair amount of camping with the bike. (Jump starter had issues last year and needs replacement)</p><p></p><p>Good luck.</p></blockquote><p></p>
[QUOTE="RossKean, post: 1436078, member: 19880"] That seems to have started without hesitation. I think the voltage dip was too quick for the meter to read correctly. No slow turnover or blanking out of the dash. My thoughts are that the battery is OK. If you aren't riding, you might test it a couple of ways... Let it sit for a week without any top-up charge and see if the resting voltage has dropped. If the self discharge rate is high enough to make startup problematic then it's time for replacement. Start the bike and kill it with the switch or kickstand interlock. (Lights stay on) Leave it 5 minutes or more (monitoring voltage) and try to restart. If there is difficulty then reserve capacity is too low. Of course, the gold standard for capacity and cranking amps is a proper load test at a battery shop. (Doesn't help with self-discharge evaluation) My battery would easily pass on the self-discharge test and probably maintains sufficient cranking volts but would likely fail the reserve capacity check. I usually carry a lithium battery jump starter for battery emergencies, especially since I do a fair amount of camping with the bike. (Jump starter had issues last year and needs replacement) Good luck. [/QUOTE]
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FJR Motorcycle Forums
FJR Specific Discussion
A first time for everything
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