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Piston Ring Groove Width Inspection; Piston Ring Thickness Inspection; Piston Ring End Gap Measurement - Kawasaki KX450F Service Manual

Kx450f.
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Cylinder and Piston

Piston Ring Groove Width Inspection

Measure the groove width at several points around the
piston with a vernier caliper.
Piston Ring Groove Width
Standard:
Top
Service Limit:
Top
If any of the groove widths exceeds the service limit, re-
place the piston.

Piston Ring Thickness Inspection

Measure the thickness at several points around ring with
a micrometer.
Piston Ring Thickness
Standard:
Top
Service Limit:
Top
If any of the measurements is less than the service limit
on either of the rings, replace the rings as a set.
When using new rings in a used piston, check for un-
even groove wear. The rings should fit perfectly parallel
to the groove sides. If not, replace the piston.

Piston Ring End Gap Measurement

Place the piston ring [A] inside the cylinder, using the pis-
ton to locate the ring squarely in place. Place the piston
ring close to the bottom of the cylinder, where cylinder
wear is minimal
Measure the gap [B] between the ends of the ring using
a thickness gauge.
If the ring end gap exceeds the service limit, replace the
ring.
Piston Ring End Gap
Standard:
Top
Oil
Service Limit:
Top
Oil
1.03 ∼ 1.05 mm (0.0406 ∼ 0.0413 in.)
1.1 mm (0.043 in.)
0.970 ∼ 0.990 mm (0.0381 ∼ 0.0390 in.)
0.90 mm (0.035 in.)
NOTE
0.25 ∼ 0.35 mm (0.0098 ∼ 0.014 in.)
0.15 ∼ 0.50 mm (0.0059 ∼ 0.020 in.)
0.6 mm (0.02 in.)
0.8 mm (0.03 in.)
ENGINE TOP END 5-35

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   Also See for Kawasaki KX450F

This manual is also suitable for:

Kx450f 2006Kxf 450

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  • paulo sergio borges Apr 13, 2016 05:03:
    quantidade oleo suspencao kx 450 f