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Old 12-17-2018, 01:36 AM   #1
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Default Carburetor Question

Can you cover the carb when the boat is sitting awhile?

I ask cause when I cover it, the fumes build up a bit under the cover
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Old 12-17-2018, 02:01 AM   #2
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Why do you want to cover it?
How are you covering it?
Iím assuming you are trapping fuel vapor that is evaporating from the bowl.
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Old 12-17-2018, 02:42 AM   #3
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To keep dirt sun ect off it
I have a boat full cover
Correct, vapors from the bowl.
the cover covers the vents as well
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Old 12-17-2018, 04:12 AM   #4
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Soooo...what model do you have?
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Old 12-17-2018, 12:35 PM   #5
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Based on you other post

"I have a 2006 1800 MX
3.0 with Alpha one Gen 2"

Is the flame arrestor in place? Engine cover installed? If yes to both that is all that is required. Where is the boat stored, outside or inside?
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Old 12-18-2018, 03:57 AM   #6
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everything is in place / installed
I wondering if it will hurt anything to cover the carb with plastic while the cover is on
boat is outside
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Old 12-18-2018, 12:33 PM   #7
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Quote:
Originally Posted by tech62571 View Post
everything is in place / installed
I wondering if it will hurt anything to cover the carb with plastic while the cover is on
boat is outside
I would not do this as condensation may form under the plastic.
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Old 12-18-2018, 03:44 PM   #8
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Quote:
Originally Posted by tech62571 View Post
To keep dirt sun ect off it
I have a boat full cover
Correct, vapors from the bowl.
the cover covers the vents as well
Are you talking about covering the BOAT or covering the Carb?

In your first sentence the subject is "Carb", therefore the pronoun "it" is referring to the carb. Later you mention you want to keep dirt and sun off of "it" (The carb?). Otherwise, why would there be sun shining on the carb??
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Old 12-18-2018, 04:16 PM   #9
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Turn the blower on after you remove the cover, it will remove the gas fumes, (That is what it is used for.)
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Old 12-18-2018, 05:07 PM   #10
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shrew/Don in post #6 the OP states

"cover the carb with plastic while the cover is on boat"

which is pretty clear he is referring to covering the carb with plastic. I don't see any benefit from doing this but would also be concerned condensation may form under the plastic and drip into the carb.
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Old 12-19-2018, 06:33 PM   #11
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I'd add a 'ridge vent' to the cover. If it's sealed that tight to keep fuel vapors in, its collecting moisture too and you'll be asking for a mold/mildew issue. Any canvas shop should be able to add a vent to your existing cover fairly inexpensively.

For guys from up north, this is why we put the vents on our shrink wrap during the winter months. Having airflow under the cover is good while keeping out the weather.

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Old 12-20-2018, 04:22 AM   #12
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+1 on Mike and shrew.
Maybe I am just getting old and grouchy,but it sounded to me he was worried that the fumes could be a problem. When it is common to have some fumes, especially in warm weather.
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Old 12-21-2018, 01:11 AM   #13
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didn't think about condensation. good point. thanks for the insite
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