Zodiac ProJet 350 RIB

bjflittner

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Joined
12 Apr 2005
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Green Turtle Bay Marina, Barkley Lake, Kentucky
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I purchased a '99 Zodiac ProJet 350 RIB, with a 82 hp Yamaha jet drive (2 cycle), with oil injection. It runs great, but smokes like hell anytime at idle--i.e. in the marina. Looks like Im fogging for mosquitoes!

Zodiac dealer says all is normal--just "nature of the 2 cycle beast". Seems the oil injection system is constant, and does not vary with engine speed. I've tried Yamaha's 2 cycle oil, cheap oil, and all synthetic oils--same result!

Anyone else experiencing lots of exhaust smoke? Any solutions? All comments welcome Thanks!
 

jfm

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16 May 2001
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Jersey/Antibes
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I have the same engine, 83hp yam, in a 2004 Avon 320 jet rib. About 50 hours on it now. Yes, it smokes badly at idle. Nothing fixes it. I have tried a few different brands of premium oil and it still happens. Obviously it only really gets bad in still conditions as any breeze will disperse the smoke. And it's fine at speed, the problem only happens at idle. Sorry, no fix for this afaik

There will be 4 stroke Avon 320 or 340 rib but not till 2006 I believe
 
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