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hi i have 4 250 efi yamaha's made pre mix
could you please tell me why i need to replace spark pluks every 7 days give and take
could you please tell me why i need to replace spark pluks every 7 days give and take
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well its very possible because you made them premix and sometimes you are getting 4 times the oil needed. not to mention your o2 sensor will probably foul out pretty fast if not already also.Michael Babuchna -
would you advise to cut the oil mix that is 50-1 and replace the o2 sensor or make it autolube againComment
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can the o2 sensor be tested and howComment
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THANK YOU FOR THE WEB PAGE I WILL FIND THE PROBLEM
WITH ALL THIS ADVICE THIS IS A GREAT FORUMComment
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i would advise to put the oil injection back on also.Michael BabuchnaComment
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Yeah, why cut the Oil injection. I can honestly say that I've yet to read of a Yamaha blowing because of faulty oil injection.
Put it back on and stop the archaic premix.Comment
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i tested the 02 sensor replaced it now there is now more problems for now the boat the motors are on is a comercial fishing boat full of water and fish scales not well looked after that is the reason for takeing off the oil injection will i now need to clean the 02 sensor more oftenComment
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