Is the idle Spark on a Mercury too high?
Not hearing a ‘thunk’ or ‘grinding clunk’ when changing into gear is a good thing, it means the gears arent smacking together and you arent at too high of an RPM. It seems to be a trade off between the amount of times my idle RPM screw is turned and where my idle spark sits, but I can’t get it to where it is ‘as per the manual’ at a spark of 6.
When does the RPM go back to normal?
The RPM will usually go back to normal as you accelerate the vehicle, but will increase again after you stop. This is definitely not a normal situation. If you are experiencing a rough idle or your RPM is running high, then there are a variety of reasons for why this could be happening.
What are the problems with a Mercury outboard engine?
The oil protects and lubricates the engine as well as ensuring a long- life. If you do not mix the oil according to the correct ratio — which could be 32:1, 40:1 or 50:1 depending on your motor — you will have problems such as: or spark plug fouling. To correct this, empty the fuel tank of all oil.
What should idle spark timing be on Merc 25?
My Merc 25 2-stroke with mechanical spark adjustment should be set to the 25 notch at 3500rpm and the 6 notch at idle. But currently- my idle spark at at notch 11.
What causes Mercury engine to cut out at high RPM?
Mercury Engine Cutting out at High RPM. What Can Be The Issue? 2004 mercruiser 8.1s ho. Constant alarm on port engine when at any rpm above idle. We checked all temps on the manifolds, risers, elbows, … read more I have a 2013 Mercury Pro XS 250. While pulling out of my I have a 2013 Mercury Pro XS 250.
How can I get my mercury Optimax to go back down?
The only way for me to get it to go back down was to shut the motor off put it in neutral and start the motor back up again. Now today the RPM’s would not go back down at all.
What to do if Mercury bogs down when accelerating?
Four carb kits, an ultra-sonic cleaner, a gallon of simple green “purple”, some fine brass wire, a compressor to blow out all the small path ways, and the better part of day or two to do the work. You have spent the better part of $300 plus before you count your time. Make an appointment and take it in….
Is the 1991-94 Mercury Capri a rare car?
Perrya shares his experience working on his own Mercury Capri. The 1991-94 Mercury Capri will be a rare car by 2020, 30 years after it was first made. Only 66,000 were made worldwide, and fewer than 40,000 still exist.