Quote:
Originally Posted by larsen
My M750 had an odd fault, similar to yours, the battery going "flat" quickly on layup. Key in, ignition on, dim dash lights. I thought battery, did the tests all ok but had convinced myself that the battery was the issue, changed it, still the same. waste of money, eventually worked out it was the main relay (under the seat) going high resistance internally, opened it up, cleaned the contacts, still the same. Changed it for a new one and, fingers crossed, it solved the issue.
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Thanks , might be worth the few euro to get a new one
I changed all these on my 748s , main relay , starter solenoid
I also purchased some uprated starter cables , grounding cable ; it helps alot but so far she is going great , CTEK LED battery indicator is consistently green
I gave her good clean the weekend , cables all look good ,will put some conductive lube on the grounds , cabling when the new cables arrive
