APRILIA SR MAX 125 ie Service Station Manual page 13

SR MAX 125 ie
- Check that coating is free from flakes.
- Check that the head matching surface exhibits no
deformations or wear.
Characteristic
Maximum allowable run-out:
0.05 mm
- Pistons and cylinders are classified into categories based on their diameter. The coupling is carried
out in pairs (A-A, B-B, C-C, D-D).
*Fit rings «2» and «3» with the word «TOP» facing upwards.
** Position the port of the rings as shown here.
*** Value «A» of the sealing ring inside the cylinder (fitting clearance).
Check the size of the sealing ring opening:
Compression ring 0.15 - 0.30 mm. Max. value 0.5 mm
Oil scraper ring 0.10 - 0.30 mm. Max. value 0.65 mm
Oil scraper ring 0.15 - 0.35 mm. Max. value 0.65 mm
NOTE
FITTING CLEARANCE VALUES ARE THE SAME FOR BOTH THE STANDARD SEALING RINGS
AND THE OVERSIZES.
Characteristics
CHAR - 13