wont charge

[tootoot]

1975 175 Evinrude not charging the battery. Easy way to troubleshoot?

 

[MCM]

Re: wont charge

They didn't make a 175hp in 1975 you should post the model# to avoid confusion in troubleshooting the motor <br /><br />Do you have a tach and is it working?<br /><br />If your tach isn't working and the battery isn't charging the rectifier is probably bad.<br /><br />If the rectifier IS bad it may have damaged the charging coils (stator), visually inspect the stator under the flywheel for cracks or a sticky, syruppy substance dripping off.<br /><br />How old is the battery?<br /><br />Post results

 

[tootoot]

Re: wont charge

Its actually a friends boat and that is the info I got. Batteries are new and Tachs not working. Where are the stators, under the flywheel? someone said that it takes a special puller to get it off. Where is the rectifier?

 

[MCM]

Re: wont charge

There's only one stator, you should be able to see it sticking out below the flywheel, its round and greenish in color, you may not have to pull the flywheel just yet.<br /><br />The rectifier is a small round part with a triangular shaped base, it should have 3 wires 1 yellow, 1 yellow w/gray stripe and 1 red, that connect to a rectangular terminal block.<br /><br />Again, you'll need to know the model# in order to replace it with the proper one. See if you can find out what it is and post it here. <br /><br />The model# will be listed on a small plate on the transom mounting bracket along with a serial#

 

[donald_warnock]

Re: wont charge

I just went through the same problem.It was a bad rectifier.The way you test a rectifier is as follows.Set your meter to high ohms.Ground the black lead to the base of the rectifier and check for continuity in each of the three wires.Then reverse the leads and check for continuity in the other direction.You should only have continuity in one direction.If you get readings in both directions your rectifier is bad.