Suzuki GS1000 (1980) Инструкция по эксплуатации онлайн [77/477] 114749

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ENGINE If by any chance too much stock has been removed from the seat during the refacing work resulting in loss of the specified tappet clearance even with the thinnest shim disc then the only remedy is to grind off the stem end face of the valve with a valve refacer thereby shortening the overall length of the valve Fig 7 76 Free length specification Spring Standard Service limit INNER 35 3 37 0 mm 1 39 1 46 in 33 9 mm 1 33 in 43 00 43 25 mm 41 3 mm 1 692 1 702 in 1 63 in OUTER Spring tension specification INNER 29 3 34 0 kg 23 mm 64 59 74 96 lb 0 91 in OUTER 50 4 58 3 kg 27 mm 111 11 128 53 lb 1 06 in Fig 7 75 Valve spring The force of the two coil springs keeps the valve seats tight Weakened springs result in reduced engine power output and often ac count for the chattering noise coming from the valve mechanism Check the springs for strength by measuring their free lengths and also the force required to compress them If the limit indicated below is exceeded by the free length reading or if the measured force does not fall within the range specified replace with a SUZUKI spring 7 22 Cylinder head distortion Decarbonize the combustion chambers Check the gasketed surface of the cylinder head for distortion with a straightedge and thickness gauge taking a clearance reading at several places indicated If the largest reading at any position of the straightedge ex ceeds the limit replace the cylinder head Cylinder head distortion specification Standard Service limit 0 03 mm 0 2 mm 0 001 in 0 008 in

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