Suzuki LT-Z400 2003 - PISTON AND PISTON RING

PISTON AND PISTON RING
PISTON DIAMETER
Meas ur e t he piston diameter using the micrometer at 15 mm
(0.6 in) from the s ki rt end.
If t he piston d ia m ete r is Jess t han the service limit , r ep lace the
p isto n with a new one.
ri!l 09900-20204: Micrometer (75 - 100 mm)
L'i'iltl Piston diameter
Service limit : 89.880 mm (3.5386 in)
PISTON·RING·TO·GROOVE CLEARANCE
Measure t he side clearances of the 1 sl and 2nd pi ston ri n gs
u sing t he thic k ness gauge. If any clearance reading exceeds the
service lim it , replace bo th the pisto n an d p iston rings .
mil 09900·20803: Thickness gauge
09900-20205: Micrometer (0 - 25 mm)
~ Piston-ring-to-groove clearance
Service Limit:
1st: 0.180 mm (0.007 In)
2nd: 0.150 mm (0.006 In)
_ Piston ring groove width
Standard:
1st: 0.78 - 0. 80 mm (0.0307 - 0.0315 In)
1.30 -
1. 32 mm (0.0512 - 0.0520 in)
2nd:
0. 81 - 0.83 mm (0.0319 - 0.0327 in)
Oil: 2. 01 - 2.03 mm (0. 0791 - 0.0799 in)
~ Piston ring thickness
Standard:
1st : 0. 71 - 0.76 mm (0.0280 - 0.0299 in)
1.08 -1 .10 mm (0.0425 - 0.0433 in)
2nd:
0.77 - 0.79 mm (0.0303 - 0.031 1 In)
ENGINE 3·31