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Old 08-09-2003 | 02:52 PM
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strato911
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Default Weed Eater: Rear Carby....which is it?
Welcome to RCU

It sounds like you too have a Ryobi engine. We'll need more info to tell you the displacement though.

If you can measure the cylinder's inside diameter and stroke, then you can calculate the displacement. Make all your measurements in centimeters, to get cc's.

Displacement = (Diameter / 2)² X 3.1416 X Stroke
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