sparks plugs ngk or champion which should I use sparks plugs ngk or champion which should I use
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    sparks plugs ngk or champion which should I use
from steve (  
12/3/2001 2:33:00 PM


 which plugs run best in 2000 johnson 225 ho thanks for the input

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   No Issue from pmgoffjr (  12/3/2001 4:22:00 PM
 I don't run Champions in my lawnmower. If you have a suitable replacement NGK to the Champion, I would highly recommend using it. You won't be disapointed.

   Always NGK's in a two-stroke ... from Thunder Runner  12/3/2001 4:54:00 PM
 Two-strokes run a lot better with NGK's ... I would not use Champions in my lawn mower either if it was a two-stroke. Maybe pmgoffjr lawn mower, but not mine! LOL

John M Richied

   Ngk from dsailer (  12/3/2001 4:56:00 PM
 I have been using NGK plugs for many years. I have never had to change a plug due to plug failure or fowling. I believe the NGK's have given me excellent service.

   Champions thats the OEM recomendation from Iowabasser  12/3/2001 5:12:00 PM
 The OEM recomends running champions... i would stick with what the OEM put in the engine origionally

   NGK's in Mercury's and Champion in OMC's from duke d (  12/3/2001 5:49:00 PM
 I've always run the Champions in the OMC's and haven't had any problems. Matter of fact if you use the wrong plug it could damage the electronics. Most use the QL77JC4 but in some applications you can use the QL16V which looks like a NGK.

   Guys .. the brand of the engine has nothing to do with the brand of plug you use. from Thunder Runner  12/3/2001 6:27:00 PM
 The Manufacturer recommends their brand of oil too ... You can run any TCW III brand you want and NOT affect the warranty. If you run fully synthetic TCW III oil it will be better then your manufactures brand of oil.

Running the proper plug and heat range are important, but just because OMC recommended a Champion plug does not mean you can not run an NGK of the proper heat range and size.

I run a lot of two-stoke engines and from experience I can tell you NGK out performs Champions. This is not a brand loyalty claim itís a fact.

John M Richied

   The question is " Have you run an OMC with............................. from duke d (  12/3/2001 6:57:00 PM
 Optical ignition?" I know how expensive some of the components are and I don't think I would want to run a spark plug that might cause damage. I really don't think an NKG is going to give you any vast improvement in performance, so why take the chance?

   types of plugs from seahorse (  12/3/2001 7:07:00 PM
  The OMC ignition systems are made for a suppressor type plug, which is different than a resistor plug. A suppressor sparkplug has a small coil of wire that restricts high frequency AC current as the spark jumps the plug gap. It doesn't affect DC current. A resistor plug restricts both AC and DC current and weakens the spark energy. A regular plug without a resistor or suppressor, has a shorter spark duration and can feed larger amounts of AC current back to the pack thru the coil induction. This may cause ignition problems down the road. A 225 HO OMC needs a suppressor plug, Champion QL78YC. The letter Q in a Champion signifies a suppressor style, and R is a resistor type plug.

About a year ago, Bass and Walleye mag had a story on the different types of plugs and why they were needed with different motors.

   Right off the NGK site.. from Thunder Runner  12/3/2001 8:07:00 PM
 Inductive Resistor Spark Plugs Specified as original equipment in a variety of late-model outboard engines, spark plugs with an inductive resistor are utilized when a CDI (capacitive discharge ignition) system is used. The resistor plug is necessary to reduce radio frequency interference (RFI), to prevent interference with the sophisticated electronics onboard modern boats.

Most resistor spark plugs use a "monolithic" resistor, generally made of graphite and glass materials, to filter the electrical voltage as it passes through the center electrode. This "filter" reduces RFI to an acceptable level. Although this type of resistor develops from 1000 to 5000 ohms of resistance, there is no significant loss of voltage to affect ignitability at the electrodes in modern automotive ignition systems.

However, outboard marine engines utilizing a CDI system have a much lower voltage output, which would be compromised by a standard resistor plug. Therefore, an inductive resistor is used. In this method, a coiled nickel wire is inserted into the center stem, and held in place by a spring.

This coil basically acts as an electromagnet, inducing a magnetic field around the center stem, creating a natural "field" resistor, and reduces RFI to acceptable levels. This method creates only 40 ohms of physical resistance, compared to the 1000 to 5000 ohms of resistance in "monolithic" resistor plugs.

While NGK Inductive Resistor Spark Plugs cost more than standard resistor plugs, they provide major benefits in late-model marine outboard applications.

John M Richied

   So what are those benifits? from duke d (  12/3/2001 8:47:00 PM
 I ran the QL16V's in my 150 Faststrike and to be honest couldn't tell the difference between the QL77JC4 other than the price which is about $25 more a set. I dare say that you won't tell any difference with a NGK set other than your lighter wallet.

   Steve, message to you, save your money and buy a good... from duke d (  12/3/2001 8:50:00 PM
 synthetic 2 cycle oil like Amsoil. You won't have to worry about fouled plugs or carboned rings.

   For me from Bucktail Bob (  12/3/2001 9:50:00 PM
 NKG for me ,I wouldn`t even use Champs for catfishing sinkers.

   Longevity from JayP  12/3/2001 10:05:00 PM
 According to a Merc factory rep, they recommend NGK because the plugs last longer before fouling. However, if you change your plugs routinely every year and run less than 50-60 hours per year, you come out way ahead with the Champions.The NGKs will operate 2-3 times longer than the Champions but they cost 5 times as much.

   Attn. Duke D. from seahorse (  12/3/2001 10:57:00 PM
 The QL16V is a surface gap plug used for extended full power applications, such as commercial engines. Your plug information is about 4 years out of date, instead of QL77JC4,your 150 Faststrike uses the extended nose, QL78YC plugs, or QL82YC for trolling.

   Plugs from grandlakegar (  12/4/2001 12:20:00 AM
 Factory installed plugs will vary depending on the motor model. My 97 225 ProMax came with NGK's. My 2000 2.5/280 has Champions. Never had any plug problem with either motor. Just my experience though. GAR

   I don't even own a 150 anymore, that was just an example..... from duke d (  12/4/2001 7:09:00 AM
 however, the point I'm making is for those of you that want to waste your hard earned money go ahead and buy those NGK's. I've owned a Mercury that used the NGK's and I've owned a 110, 115, 150, and now a 200 that all used Champions and never have had a problem with them. Of course, I used a premium Amsoil synthetic. I don't use a $7.00 plug with a cheap discount store oil. So just like fishing lures, if you feel the expensive plug gives you better performance who I'm I to stand in the way, confidence means a lot.

   The NGK's are cheaper from Danoc (  12/4/2001 8:41:00 AM
 than the champions. At least where I live. The QL77's for the Merc EFI's are about 6 bucks each. The BRH NGK's are about $2.50. You will not see much a performance difference between plugs but the longevity and price difference is enough to make a difference. Nothing but NGK's for this boy in all his 2 strokes especially outboard and snowmobile.

   Champion Plugs from Ben There (  12/4/2001 5:48:00 PM
 I am sure that Champion and the NGK's are very good plugs. My 1996 Mariner, 150 h.p., came with NGK plugs. After about 18 months use, two of the plugs fouled while trolling at a slow speed for approximately 25 minutes. I replaced them with Champions and ran them for 3 years. I just replaced them for the first time during a fall tune up. from T.Fisher (  12/4/2001 9:26:00 PM
  Check out this site for either or. Their prices are hard to beat. NGK BU8H which I run $2.25 or so a piece. Used to be able to walk into Grand Auto, and get them. Since they merged with Kragen's no luck, and the price went up. T-----ROY



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