Adyb 1250 Posted December 21, 2022 Share Posted December 21, 2022 Here's a confusing one turned bike over nothing no power changed battery ,cleaned connectors checked 30amp on starter checked other fuses nothing connected to jump leads instant power turns over no problem remove the jump leads after 20 mins i turn ignition off and on no power .. have I missed anything obvious Quote Link to comment Share on other sites More sharing options...
Mississippi Bullfrog Posted December 21, 2022 Share Posted December 21, 2022 Did you check the new battery was fully charged? 1 Quote Link to comment Share on other sites More sharing options...
bonio Posted December 21, 2022 Share Posted December 21, 2022 Other thing to watch out for is even if a battery is showing it's fully charged - 12.6V+ across the terminals - it might not be holding very much charge. So even though a charger will give it a green light, when you put in the bike and the starter motor begins to draw current from it, the voltage quickly drops to the floor. When this happens the battery's knackered and needs replacing. Quote Link to comment Share on other sites More sharing options...
Solution Adyb 1250 Posted December 21, 2022 Author Solution Share Posted December 21, 2022 Brand new battery put on no power im going to create a new earthing point as it may be frayed somewhere I can't see Quote Link to comment Share on other sites More sharing options...
Stu Posted December 22, 2022 Share Posted December 22, 2022 8 hours ago, Adyb 1250 said: Brand new battery put on no power im going to create a new earthing point as it may be frayed somewhere I can't see Have you got a multimeter or access to one? I don't think it's an earth as putting jump leads on the battery wouldn't bypass it What bike is it? Quote Link to comment Share on other sites More sharing options...
Mississippi Bullfrog Posted December 22, 2022 Share Posted December 22, 2022 8 hours ago, Adyb 1250 said: Brand new battery put on no power im going to create a new earthing point as it may be frayed somewhere I can't see A brand new battery isn't always fully charged even if it shows a healthy voltage. I always charge new batteries with a trickle charger before fitting. How did you attach the jump leads? If you attached the +ve to the battery terminal and the -ve to the frame then you would have bypassed a bad earth strap. On the other hand if both jump leads were attached to the battery terminals and the bike started then it's not the earth strap. 1 Quote Link to comment Share on other sites More sharing options...
Adyb 1250 Posted January 4, 2023 Author Share Posted January 4, 2023 It was a bad earth as soon as I created a new earth it started no issue 3 Quote Link to comment Share on other sites More sharing options...
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