Honda CBR600F4I (2001-2003) [256/492] Cylinder head valves

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CYLINDER HEAD VALVES VALVE VALVE GUIDE Check that the valve moves smoothly in the guide Inspect each valve for bends burns or abnormal stem wear Check valve movement in the guide measure and record each valve stem O D SERVICE LIMITS IN 3 965 mm 0 1561 in EX 3 955 mm 0 1557 in Ream the guides to remove any carbon deposits before checking clearances Insert the reamer from the combustion chamber side of the head and always rotate the reamer clockwise TOOL Valve guide reamer 4 008 mm 07MMH M V90100 Measure and record each valve guide I D SERVICE LIMIT IN EX 4 04 mm 0 159 in Subtract each valve stem O D from the correspond ing guide I D to obtain the stem to guide clearance SERVICE LIMITS IN 0 075 mm 0 0030 in EX 0 085 mm 0 0033 in Hetace tne valve seels whenever the valve guides are replaced page 8 17 If the stem to guide clearance is out of standard determine if a new guide with standard dimensions would bring the clearance within tolerance If so replace any guides as necessary and ream to fit If the stem to guide clearance is out of standard with the new guides replace the valves and guides

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