Spark plugs and cap replacement interval

Lou C

Lou C

Supreme Mariner
Joined
Nov 10, 2002
Messages
13,412
It's easy to just ohm out your plug wires, not more that 1k ohms per foot of length is a good guide, and check the cap & rotor carefully with a bright flashlight for carbon tracking. Another trick I saw on Uncle Tony's Garage you tube is look in the cap terminals when checking wires, if a wire was not pushed all the way in when the cap was replaced, then the arcing could ruin the terminal on the wire and the one in the cap.
 
C

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
28,420
Gee, I thought my sterndrive ran well, also. I went fishing in the ocean and it blew so hard that saltwater from the bilge splashed up under the plastic cover, past the spark arrestor and stalled the engine. It started up and ran fine, but it spooked me, so I babied it all the way back into the bay. Once in the bay, I ran home at normal speed.

Subsequent to that, I replaced the rotor, cap and wires, for good measure. Unexpectedly, the motor ran a whole lot better.
 
A

airshot

Vice Admiral
Joined
Jul 22, 2008
Messages
5,878
Here is the bottom line......are you willing to carry spare parts, can you change these parts out on the water ? Do you have a kicker motor to get you back ? How far can you paddle your boat ? Consider the afore mentioned situations, if you have no good answers, I would change everything right now !! Lol...
 
kd4pbs

kd4pbs

Petty Officer 1st Class
Joined
Mar 5, 2012
Messages
268
If your life depends on it, weekly changes of everything might not be enough.
Somewhere along the way, one has to strike a balance. Nobody can tell me where my comfort balance zone is, and I can't tell anyone else either.
 
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