Crankcase and Flywheel Assembly

Friday 31 May 2013

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Crankcase and Flywheel Assembly

Settlement of the valves in the lower guides is important;,002-0, 003 "is recommended for the entrance and from 0.003 to 0.004" for exhaust. Renewal normally recommended when wear exceeds 0.003 ", depending on operating conditions. To lockrings




 actual guide of the head is heated to 200 ° C . valve springs are renewed when they are set to 2 1/16 ". Seat rings rarely require replacement, but can not be removed by heat, worn rings carefully breaking perforation or lathe.Grinding resulted in a 30 degree dressed stone used recutting.