Q1: is there a special special tool or a special procedure to replace the spark plug on cylinder number for (the lowest cylinder) on a 2109 Mercury 115-HP FOURSTROKE engine?
BACK STORY
I began to replace the spark plugs on my 2019 Mercury 115-HP FOURSTROKE engine. To replace the spark plugs on cylinders one, two, and three, took only ten minutes. To replace the spark plug on cylinder four then took me an hour--a very frustrating hour.
My hand would not fit into the available space. I could not see the spark plug without a mirror. I do not want to repeat this process.
Note, I have the following tools:
- regular ratchet [wrenches]
- small [ratchet wrenches]
- three-inch extention
- three-inch flexible extension
[To install the new spark plug into cylinder four on the 2019 Mercury 115 FOURSTROKE engine], I pushed [the spark plug] into the [the threaded boss on the engine, but I could not see what was happening]. After ten attempts, I got lucky: I felt [the spark plug] turn. I tightened the spark plug with my fingers. The a three-inch socket was put on the spark plug, and vice-grips were used [to turn the socket and] tighten [the spark plug].
A ratchet [wrench] was tried, but the [ratchet wrench] kept locking onto the spark plug. I had to [loosen the spark plug socket from the spark plug]. The vice-grips allowed me the pull off the socket [from the spark plug]. This whole process was one hour of frustration. There [must] be a better way.
Thank you for any advice.