Honda CB100 CL100 SL100 CB125S CD125S SL125 (1970) Инструкция по эксплуатации онлайн [24/101] 114552

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20 4 VALVE REMOVAL A Disassembly 1 Remove the cylinder head in accordance with section 3 A 2 Compress valve spring with a valve lifter and remove valve cotter and valve spring The valve can then be removed Fig 49 Fig 49 Valve removal ll Valve spring compressor Tool No 07031 10701 Fig 50 Valve stem clearance measurement D Dial gauge g Valve B Inspection I Valve stem clearance is measured by rais ing the valve off its seat and measuring the amount of side play by applying the dial gauge against the valve head The play is measured along both the X and Y axes Fig 50 Exhaust valve with a TIR of greater than 0 08 mm 0 0032 in or inlet valve with TIR greater than 0 1 mm 0 004 in should have either the valve or guide replaced Item Valve stem diameter Standard value IN 5 450 5 465mm 0 2145 0 2150 in EX 5 430 5 445mm 0 2138 0 2146 in Serviceable limit 5 420mm min 0 2130 in 5 400mm min 0 2126 in 2 Valve guide replacement Remove and reinstall valve guide using a valve guide driver special tool No 0704621601 Use an oversize replacement valve guide After replacing the valve guide run a reamer through the valve guide to assure that the guide will be of standard diameter 3 Valve face dimensional check Apply thin coating of red lead or bluing on the valve face press valve against the valve seat and rotate Remove and check to see if there is a uniform width impression of the valve face Fig 51 Fig 51 Valve face Item Standard value Serviceable limit Valve seat width 0 7mm 0 028 in 1 5mm max 0 059 in

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