Home › Forum › Ask A Member › late ’80’s 9.9/15 flat plastic top carburetor › Re: late ’80’s 9.9/15 flat plastic top carburetor
I dawned on me what the 2 holes and the sleeves are for .The 2 holes are for the screws that attach the lower half of the air silencer.As for the sleeves in the carb top, they may be for added strength where they pass through the plastic top .The are independent of the cover and take any torque and tightening stress instead of the cover itself, but still hold down the air silencer and carb top well.
They may be for some venting or metering too. The more i thought about it, i see it is well engineered, but still plastic to be careful with.
Jim PSB
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