Suzuki GS1000 (1980) [73/477] Top end inspection

Содержание

ENGINE Fig 7 59 Fig 7 61 Tappet clearance adjustment After checking tensioning action check all valves for tappet clearance and as necessary adjust the clearance to the specification out lined on page 3 5 TOP END INSPECTION One camshaft is provided for the intake valves and the other for the exhaust valves Be sure to discriminate between the two The camshafts should be checked for deflection and also for the wear of cams and journals if the engine has been noted as giving abnormal noise or vibration or to lack power output Any of these malconditions may be caused by camshafts worn down or distorted to the service limit Cam height specification Height H Standard Service limit Intake cams cames Exhaust cams 36 325 36 355 mm 1 4301 1 4313 in 35 775 35 805 mm 1 4085 1 4096 in 36 030 mm 1 4185 in 35 480 mm 1 3968 in Camshaft journal wear Determine whether each journal is worn down to the limit or not by measuring the running clearance with the camshaft installed in place Use plastigage to read the clearance which is specified as follows Camshaft Journal clearance Standard Service limit 0 025 0 053 mm 0 0010 0 0021 in 0 15 mm 0 0059 in Fig 7 62 Camshaft wear Worn down cams are often the cause of mis timing valve operation resulting in reduced power output The limit of cam wear is specified for both intake and exhaust cams in terms of cam height which is to be measured with a micrometer Replace camshafts if found worn down to the limit 7 18 Be sure each camshaft is fastened down in place by its camshaft holders Tighten the camshaft holder bolts to the following torque value Camshaft holder bolt tightening torque 1 0kg m 7 01b ft

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