Cylinder; Piston And Piston Ring - Suzuki DR-Z400S 2001 Service Manual

CYLINDER

CYLINDER DISTORTION
Check the gasket surface of the cylinder block for distortion us-
ing a straightedge and thickness gauge. Take clearance read-
ings at several places. If any clearance reading exceeds the ser-
vice limit, replace the cylinder block with a new one.
09900-20803: Thickness gauge
Cylinder distortion
Service Limit: 0.05 mm (0.002 in)
CYLINDER BORE
Inspect the cylinder wall for any scratches, nicks or other dam-
age. Measure the cylinder bore diameter at six places.
09900-20508: Cylinder gauge set
Cylinder bore
Standard: 90.000 – 90.015 mm (3.5433 – 3.5439 in)

PISTON AND PISTON RING

PISTON DIAMETER
Measure the piston diameter using the micrometer at 15 mm
(0.6 in) from the skirt end.
If the piston diameter is less than the service limit, replace the
piston with a new one.
09900-20204: Micrometer (75 – 100 mm)
Piston diameter
Service Limit: 89.880 mm (3.5386 in)
ENGINE 3-33
15 mm
(0.6 in)