Piston, Engine
INSPECT RING GROOVE CLEARANCEUsing a feeler gauge, measure the clearance between new piston ring and the wall of the ring groove.
Ring groove clearance:
No.1 0.03 to 0.08 mm (0.0012 to 0.0031 inch)
No.2 0.02 to 0.06 mm (0.0008 to 0.0024 inch)
Oil 0.03 to 0.11 mm (0.0012 to 0.0043 inch)
Standard end gap:
No. 1 0.30 to 0.40 mm (0.0118 to 0.0157 inch)
No. 2 0.50 to 0.60 mm (0.0197 to 0.0236 inch)
Oil (Side rail) 0.15 to 0.40 mm (0.0059 to 0.0157 inch)
Maximum end gap:
No. 1 0.95 mm (0.0374 inch)
No. 2 1.05 mm (0.0413 inch)
Oil (Side rail) 1.00 mm (0.0394 inch)
Piston diameter 91.953 to 91.967 mm (3.6202 to 3.6207 inch)