Specifications

Check the cylinder head mating surface for warp
with a straight edge and feeler gauge.
Service limit: 0.10 mm
Insert each piston ring into the cylinder, and measure
the end gap.
Service limit: 0.5 mm
Measure the clearance between ring and groove.
Service limit: 0.09 mm
Measure the piston outer diameter at 10 mm high
from the skirt’s bottom.
Service limit:
RXL RXL RXL
50 ㏄ 70 ㏄ 90 ㏄ 90R ㏄ 50M ㏄
39.9 mm 46.9 mm 49.9 mm 49.9 mm 39.9 mm