Maintenance
WP33L_BA_K1_12_en_08.fm
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8.12 Checking pistons and cylinders
1. Remove cylinder heads and valves as described in section
8.8 “Checking the valves”.
2. Remove cylinders and pistons as described in section 8.9,
“Checking the piston rings”.
3. Check cylinders and pistons for scoring marks and excessive
wear. Replace as necessary parts.
4. Measure cylinders and replace if the following wear limits are
exceeded:
5. Fit cylinders and pistons as described in section 8.9, “Che-
cking the piston rings”.
6. Fit cylinder heads and valves as described in section 8.8,
“Checking the valves”.
Cylinder Diametral Wear limit
1
st
stage
100.15 mm
2
nd
stage
46.10 mm