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Old 15 April 2012, 05:04   #11
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Country: Netherlands
Town: Breda
Make: Scorpion
Length: 7m +
Engine: Evinrude 250 DI
Join Date: Oct 2003
Posts: 368
Doing this for many years by now.
On each plug there's a ring. From the old plugs I take the rings off. With a Dremel I abrade the rings to different thicknesses. Say 1/3 to 2/3 of a millimeter. I use these rings to adjust the new plugs, leaving the new rings in place naturally.
Use these abraded rings over and over again. This works out fine and you don't need to use these rings on all the plugs. Only when indexing is way off.
I use the Champion QC12PEP plugs for my Evinrude 250 DI and they are very expensive.
Therefore I order them in the USA at Sparkplug.com, 24 pieces at the time. Only costs $168 and no shipping en no Tax.
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Old 17 April 2012, 05:02   #12
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Country: UK - Scotland
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Make: Halmatic Arctic 22
Length: 6m +
Engine: 2 x 150 Etec
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I do hope that its your spark plugs, the symptoms sounds exactly like the injectors being fouled with water. Check your fuel filter to make sure its clean.
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Old 17 April 2012, 10:51   #13
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Country: UK - England
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Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
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Quote:
Originally Posted by MarkM View Post
Doing this for many years by now.
On each plug there's a ring. From the old plugs I take the rings off. With a Dremel I abrade the rings to different thicknesses. Say 1/3 to 2/3 of a millimeter. I use these rings to adjust the new plugs, leaving the new rings in place naturally.
Use these abraded rings over and over again. This works out fine and you don't need to use these rings on all the plugs. Only when indexing is way off.
I use the Champion QC12PEP plugs for my Evinrude 250 DI and they are very expensive.
Therefore I order them in the USA at Sparkplug.com, 24 pieces at the time. Only costs $168 and no shipping en no Tax.
Adding shims may void your warranty as in the E-tec service manual they specifically say don't.
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