Ok, for the past 20 years I've had the same boat, I've put well over 3000 hrs on the engine with several thousand miles under it's belt. So now I have to know.
It's engine is a Yanmar 3GMD. after starting the engine I normally turn off the key, and remove it. Placing it back in its normal location (storage). Now, suddenly I've started to leave the key in the On position, then only remove it after I've choked it off. Any idea if either method is right/wrong? Obviously I havent
caused any damage doing it the first way, start, key off/remove, choke off. but should it be left On during the engine running?