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I Love microskiff.com!
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552 Posts
Discussion Starter #1
Is it normal as I'm coming off plane and getting off throttle to backfire slightly?
The motor runs smooth at wide open and idle but popping a bit when letting off
I Was planning on taking it on a trip and didn't want any issues..

It's a new motor to me so im trying to get use to all it quirks

Thanks
 

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devilray snob
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2,398 Posts
Not normal. Sounds like 'lean sneeze'.

your carb is clogged up, probbaly a low speed jet.

Clean it out and re-adjust your carb and idle speed to the proper RPM (850 I believe).

Idle speed screw w spring on side of carb, as well as the air/fuel mixture screw above the carb throat should both be 1.5 turns out from lightly seated +- 1/8 of a turn.
 

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I Love microskiff.com!
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552 Posts
Discussion Starter #5
I'll check the carb then the reeds.would it be normal to need them on a low hour 2005?
 

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Cert. Yamaha technician
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4,330 Posts
Not exactly but a 2005 is still 8 years old. I don't know if they use fiberglass or stainless steel reeds either.
But anything can happpen. Many a time have brand new parts nit worked
 

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devilray snob
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2,398 Posts
Not exactly but a 2005 is still 8 years old. I don't know if they use fiberglass or stainless steel reeds either.
But anything can happpen. Many a time have brand new parts nit worked
2005 is SS reeds. One on each side of the triangle reed block.
 

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I Love microskiff.com!
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2 Posts
the stock reed is steal. ur problem is not reeds. I have worked on many 18-25 mercs and never found a burnt or broken reed in those motor. but reeds will help smoother ideal,faster acceleration,better top speed. try them! www.chriscarsonmarine.com
 
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