35148 Suzuki RM125€

CYLINDER. PISTON AND EXHAU$T VALVE 6-7

CYLINDER. PISTON AND EXHAU$T VALVE 6-7

PISTON AND PISTON RING INSPECTION

♦    Remove the piston ring from the piston ring groove.

♦    Remove carbon deposits from the piston.

♦    Inspect the piston for wear, scratches and damage.

♦    Measure the piston outer diameter 19 mm (0.748 in) from the skirt end.

Piston outer diameter Service Limit: 53.880 mm (2.1213 in)

09900-20203: Micrometer (50 - 75 mm)

Measure the piston pin borÄ™ and piston pin diameter.

	Service Limit
Piston pin borÄ™	15.030 mm (0.5917 in)
Piston pin O D.	14.980 mm (0.5898 in)

EE33

09900-20205: Micrometer (0 - 25 mm) 09900-20605: Dial gauge

Remove carbon deposits from piston ring and pistoń ring

groove.    f \ \ J \ .

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Fit the piston ring into the ring groovÄ™ and measure the elear-ance with a thickness gauge.

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Piston ring to grooye cleóranęe_N , ,

Standard: 0.045^0.060 mm (0.Qp18-0.0024 in)

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09900-20803: Thickness gÄ…uge

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* Fit the piston ring into the cylinder and measure the piston ring end gap with a thickness gauge.

Piston ring end gap Service Limit: 0.80 mm (0.031 in)

09900-20803: Thickness gauge

• Measure the piston ring free end gap. IB Piston ring tree end gap

Service Limit: 3.4 mm (0.13 in)

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09900-20101: Yernier calipers