Re: Gnilop EVENRUDDE 9.9 -NOT CHARGING
The model number you need to locate should be on a plate on the transom clamp bracket. It may also be on a disc on the power head.
You say, "the only number i could find is near the gas inlet and it was 100/61"
You are misreading that number. What you are reading as 6 is in fact symbol intended to represent an oil droplet. The plate then indicates a fuel mix of 100 parts gas to 1 part oil
BUT DO NOT RUN IT ON 100:1 ..... RUN IT ON 50:1
That decal, which should have been removed many years ago , does however tell us that the engine dates from 1985, '86 or '87
I assume you are happy that it is in fact charging the battery OK.
You will see fairly high voltages 16 or even 17, possibly higher, when the battery is fully charged because that model does not have a voltage regulator, just a simple non regulated rectifier.
BUT DO NOT disconnect the battery while the engine is running ... you could blow the rectifier.
Also take great care to never connect the battery the wrong way round. That will blow the rectifier in an instant.
If you battery has been run very low on electrolyte level it may well not have much of a life to look forward to. Check the level regularly and top up with deionised water when necessary.