Logo

2005 merc 50 hp reed valve install question

If reeds was the problem you would have idle issues not WOT... At WOT the reeds fan open and are pushed closed by crankcase pressure. This happens super quick and a engine will/can run with bad reed/s at WOT with lil problems. Those reeds have never been flipped as they would have a polished wearmark around the edges. You have a fuel or ignition issue, most likely a CDM module...
 
Thank you for the input. I did have an idle issue that I corrected with the carb idle mixture screw last year. I will readjust once I install new reed valves. Any idea on correct installation orientation of the flaps?

For WOT issues, ignition is the only thing I didn't investigate a lot. I have a spark tester and all is good in idle but I'll test it with a multimeter.
 
Back
Top