Use the outside micrometer to measure diameter of the valve


Use the outside micrometer to measure diameter of the valve

Date: 10 Feb., 2013  Keine Kommentare

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Canada Goose sale There is a large clearance between cylinder and piston or valve and valve guide, so there is more engine oil inside the cylinder. This kind of situation mostly happened on those motorcycle used for long year. So you need to check the clearance of the two places regularly, so as to prevent excessive wearout. When checking the clearance between piston and cylinder, you need to pay more attention to the wearout of piston and piston ring. You need to measure the diameter of the piston skirt and change piston when it come to wear limit. And you also need to check and measure the clearance between the piston ring, elasticity and light leakage, and change the ring when it is worn, damaged or reach the limit. Check the clearance between the valves and valve guide, you need to pay more attention to the wearout of valve stem outside diameter and valve guide inside diameter. Use the outside micrometer to measure diameter of the valve stem when repairing, if it reaches the limit, you need to change the valve. Before measuring valve guide, the carbon deposit should be removed by reamer. The reamer should rotate toward the right when taking it into or out of the valve guide, otherwise, it will damage the inner of the guide. Use the boredial indicator to measure inside diameter of the valve guide, it is greater than the limit, then you need to change the valve guide. Canada Goose canada goose outlet online canada goose outlet canada goose outlet online sale

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