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fogging an efi 250 yamaha

Old 10-02-2008, 05:30 PM
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dtf
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Default fogging an efi 250 yamaha

hello just wondering if i need to fog the motor through the intake manifold or just the cylinders
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Old 10-02-2008, 05:46 PM
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Default Re: fogging an efi 250 yamaha

I do both. I first remove the air cover and then douse each throat with fogging fluid. I use about a 1/3 of the can, the whole time trying to stall the engine. Darn EFI just keeps running, so I have a friend shut it down via the key switch. Then I remove the sparkplugs and spray a whole bunch into the cylinders.

I pull the safety lanyard (no spark) and turn it over a couple times to distribute the fogging oil.
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