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#1
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No more than 5 seconds after reading that last post I found the sticker in the lower pan. BR7HS-10! Thanks guys!!
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 1994 Wellcraft V21 
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#2
04-20-2018, 09:09 AM
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These guys are a lot smarter than me about these things but what I would do is go with what is recommended for that engine Why you ask? Because when they build that engine it was designed to run on those plugs
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love to fish
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#3
04-21-2018, 11:44 AM
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Some manufacturers will have 2 plug reccomendations for 1 engine depending on useage. Match the plugs to the engine and it's useage. If you idle alot you can normally run 1 heat range hotter, but you want to be carefull running a hotter plug at high rpm's as it can overheat and melt the plug and lead to detonation from the plug overheating. Omc used to reccomend surface gaps for engines run hard, and a long reach electrode for engines that idled alot. If you ran under varying conditions, you used a plug where the electrode was right on the surface to be in between. If in doubt, save an old set of plugs and carry a wrench to change them, and run the colder plugs. I would rather foul a plug than I would melt a plug and lose an engine. And if it's a dfi, make sure and index the plugs if it's reccomended. It's always best to have your firing gap pointing towards thecenter or towards the exhaust to minimize plug fouling.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#4
04-21-2018, 09:03 PM
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Dam Fern I'm or you should be glad I don't live by you, I would be over your house every day at least in the garage I mean Lol
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love to fish
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