Suzuki LT-F500F 2002, Service Manual, Page: 81 / 382

ENGINE 3-39
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PISTON
PISTON DIAMETER
Using a micrometer, measure the piston outside diameter at the
place shown in Fig. If the measurement is less than the limit,
replace the piston.
%
Piston diameter
Service Limit: 87.380 mm (3.4402 in)
(
09900-20204: Micrometer (75 – 100 mm)
PISTON RING TO GROOVE CLEARANCE
Using a thickness gauge, measure the side clearances of the
1st and 2nd rings. If any of the clearances exceeds the limit,
replace both piston and piston rings.
%
Piston ring to groove clearance
Service Limit (1st) : 0.18 mm (0.0071 in)
(2nd): 0.15 mm (0.0059 in)
%
Piston ring groove width
Standard (1st) : 1.01 – 1.03 mm (0.0398 – 0.0406 in)
(2nd): 1.21 – 1.23 mm (0.0398 – 0.0484 in)
(Oil) : 2.51 – 2.53 mm (0.0988 – 0.0996 in)
%
Piston ring thickness
Standard (1st) : 0.970 – 0.990 mm
(0.0382 – 0.0390 in)
(2nd): 1.170 – 1.190 mm
(0.0461 – 0.0469 in)
(
09900-20803: Thickness gauge
09900-20205: Micrometer (0 – 25 mm)
15 mm (0.6 in)