Intake sleeve on ms180

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TJviper

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Aug 3, 2023
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What function does stihl intake sleeve (the small plastic or nylon ring that sits between the rubber intake manifold and the carb part number 1130 141 1800) have? Mine has a small crack and I wonder if it could cause an air fuel mixture problem. Any advice on replacement or aftermarket replace ment? Thanks
 
I thought the sleeve maintained the shape of the opening to prevent collapse under acceleration. I'm not sure if it seals or the rubber area seals. Have yout tried a vac/pressure test? I would just replace it to be safe. This post might be better in the Chainsaw section.
 
I thought the sleeve maintained the shape of the opening to prevent collapse under acceleration. I'm not sure if it seals or the rubber area seals. Have out tried a vac/pressure test? I would just replace it to be safe. This post might be better in the Chainsaw section.
Thanks, I think your thought of the sleeve maintaining the intakes shape is correct.
 

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