Daelim S4 50cc Service Manual - Mojo

CYLINDER / PISTONPISTON RINGFEELER GAUGE● Inset the piston ring into the inside of cylinder, checkthe clearance of piston ring.NOTE•Inset the piston ring in parallel by the head ofpiston.SERVICE LIMIT: TOP/SECOND: 0.40MMOIL RING (SIDE RAIL): 0.8 MMTOOL: FEELER GAUGE90● Measure and record the piston outer 90° to the pistonpin bore and the point specified(10 mm), near thebottom of the piston skirt.SERVICE LIMIT: 38.92 MMMICROMETER● Measure the piston pin hole inner diameter.SERVICE LIMIT: 13.04 MM● Measure the piston pin outer diameter.SERVICE LIMIT: 12.98 MM● Calculate the clearance between the piston and pistonpin.SERVICE LIMIT: 0.04 MM● Replace with the set parts if worn or damaged.● Measure the inner diameter of connecting rod smallend.SERVICE LIMIT: 13.05 MM● Calculate the connecting rod small end top-to-pistonpin clearance.SERVICE LIMIT: 0.06MM