[C320-list] Need Advice on RayMarine C80 MFD Repair/Replacementand Intermittent Start Button

[Jack Brennan]

The big question with the diesel is whether the solenoid clicks when he pushes the button. If so, that’s the infamous Yanmar Click.

It’s generally attributable to crappy wiring used by Yanmar on its otherwise excellent engines. On many engines, it is untinned with a cheap fuse somewhere between the starter and the starter button. I haven’t examined the setup on my 320, so I can’t speak to what’s there.

You can Google this and come up with a variety of solutions. I solved it on my Bristol 30 by replacing the wiring with high-quality cable and a good fuse holder. 

If you don’t hear a solenoid click, you have to look elsewhere in the wiring system. Bad starter button? Loose connection ? A multimeter and some minor detective work will point to where the problem is.

Jack Brennan
Sionas, 1998 Catalina 320, no. 528
Tierra Verde, Fl.
Dolphin Cruising Club of Tampa Bay


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