Suzuki DF 50 - Page 190

6-47 POWER UNIT
PISTON RING
Piston ring end gap
Measure piston ring end gap with piston ring in the lowest posi-
tion of cylinder bore.
09900-20803: Thickness gauge
Piston ring end gap
Standard:
1 st 0.10 – 0.25 mm (0.0039 – 0.0098 in.)
2 nd 0.25 – 0.40 mm (0.0098 – 0.0157 in.)
Service limit :
1 st 0.70 mm (0.0276 in.)
2 nd 1.00 mm (0.0394 in.)
If measurement exceeds service limit, replace piston ring.
Piston ring free end gap
Measure piston ring free end gap using vernier calipers.
09900-20101 : Vernier calipers
Piston ring free end gap
Standard :
1 st Approx. 7.5 mm (0.2953 in.)
2 nd Approx. 11 mm (0.4330 in.)
Service limit :
1 st 6 mm (0.2362 in.)
2 nd 8.8 mm (0.3465 in.)
If measurement exceeds service limit, replace piston ring.
Cylinder
Piston ring
z
z
z