Before Posting, Please Read Our Posting Guidelines Below.
1. Use the full 4 digit year for everything you are asking your question about. Example: 1962, 1988, 2000, 2011 2. Include the correct name of your Whaler model. Example: Montauk 17, Montauk 170, Outrage 26, Outrage 260 3. Include the length when necessary. Example: 16, 17, 18, 20, 22 4. Do not post your email address anywhere on this site as it is already in your user profile.
I am preparing my 1998 90 HP OMC for the upcoming season. I have recently installed new NGK plugs in place of my old champions. I used the same gap as the champs and didn't use a torque wrench as the manual implies. The engine seems to run a bit high at idle but no other problems. I assume I need to gap these plugs differently, but do I really need to purchase a torque wrench? My engine info is a follows: 1998 OMC Oceanpro Model # E90SLEC
Not saying that you have an issue, but be aware that there is more to plugs than the gap. Different plugs are designed to run different temps (some plugs run hotter than others). That may have something to do with the change.
jddar wrote:
I am preparing my 1998 90 HP OMC for the upcoming season. I have recently installed new NGK plugs in place of my old champions. I used the same gap as the champs
You might want to rethink and replace the NGK plugs in your OMC. Those motor require a Q series plug from Champion to work the ignition system correctly. Your motor requires a suppressor sparkplug, not a resistor plug.
