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Piston Ring End Gap Inspection; Piston Ring, Piston Ring Groove Inspection - Kawasaki KLX110 Service Manual

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Cylinder, Piston

Piston Ring End Gap Inspection

Place the piston ring [A] inside the cylinder, using the pis-
ton to locate the ring squarely in place. Set it close to the
bottom of the cylinder, where cylinder wear is low.
Measure the gap [B] between the ends of the ring with a
thickness gauge.
Piston Ring End Gap
Standard:
0.10 ∼ 0.20 mm (0.0039 ∼ 0.0079 in.)
Top
0.30 ∼ 0.45 mm (0.0118 ∼ 0.0177 in.)
Second
0.10 ∼ 0.60 mm (0.0039 ∼ 0.0236 in.)
Oil
Service Limit:
Top
0.6 mm (0.024 in.)
Second
0.8 mm (0.031 in.)
Oil
0.9 mm (0.035 in.)

Piston Ring, Piston Ring Groove Inspection

Visually inspects the piston rings and the piston ring
grooves.
If the rings are worn unevenly or damaged, they must be
replaced.
If the piston ring grooves are worn unevenly or damaged,
the piston must be replaced and fitted with new rings.
Check for uneven groove wear by inspecting the ring seat-
ing.
The rings should fit perfectly parallel to the groove sur-
faces. If not, the piston must be replaced.
With the piston rings in their grooves, make several mea-
surements with a thickness gauge [A] to determine piston
ring groove clearance.
ENGINE TOP END 4-37

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Klx110l

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