Suzuki GS1000 (1980) [28/477] Tappet clearance

Содержание

PERIODIC MAINTENANCE TAPPET CLEARANCE 1000 6 000 12 000 18000 24 000 km 600 4 000 7500 11000 15 000 miles CHECKING AND ADJUSTING THE TAPPET CLEARANCE The tappet clearance specification is the same for both intake and exhaust valves Too small a tappet clearance may reduce the engine power too large a tappet clearance increases valve noise and hastens valve and seat wear When the tappets are set to the specified clearance the engine will run without excessive noise from the valve mechanism and will deliver full power In this engine the tappet clearance is increased or decreased by replacing the shim disc made of a special wear resistant material fitted to the top of the tappet The shim discs are easy to remove and refit Tappet clearance adjustment must be checked and adjusted 1 at the time of periodic inspection 2 when the valve mechanism is serviced and 3 when the camshafts are disturbed by removing them for servicing CHECKING THE TAPPET CLEARANCE Tappet clearance specification 0 03 0 08 mm for both intake and 0 001 0 003 in exhaust valves Fig 3 9 1 Turn crankshaft to bring the exhaust cam of No 1 cylinder to this position In this condition read the clearance at the ex haust tappets of Nos 1 and 2 cylinders Use the thickness gauge on all tappets F 09900 20803 Thickness gauge W VW il J oi A or B UI t up d ul Uu Qf to hë un u icu uhe d nd be n M h ihe 1 h rposi KHI Jcn 7tSi ito rance f ça un ïs Bli the ciunfQdi Rn c eut an be etc io a 19 mm i id ch ai cl o i nu L in ot idtatü ng 2 After setting the clearance to the specifica tion at the exhaust tappets of Nos 1 and 2 cylinders turn the crankshaft by 180 half rotation to bring the intake cam of No 1 cylinder to the position indicated Read the clearance at the intake tappets of Nos 1 and 2 cylinders and where necessary adjust the clearance to each specification

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