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ENG

INSPECTION AND REPAIR

4-12

EAS00258

CHECKING THE CYLINDER AND PISTON

1. Eliminate:

• carbon deposits

Use a rounde scraper 

2. Inspect:

• cylinder wall Wear/striping



Rectify or

change

3. Eliminate:

• carbon deposits

From the piston crown  and ring groovers

.

4. Remove:

• cracking marks and carbon deposits on

piston sides.

5. Inspect:

• piston wall

Wear/striping/damage



Replace.

6. Measure:

• piston to cylinder clearance

Yamaha CS50 User Manual

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