Oil Seal crankshaft flywheel
for Vespa 125 VNA2 2°/VNB/GT
/GTR 1°/Super/TS 1°/150 VBA
CORTECO, square cut out, 20x..
..40x6 mm, blue
The round or square opening in the oil seal enables rinsing the bearing with gas-oil mix. The opening shape is irrelevant for it's function: an oil seal with a round opening can be installed in a motor that formerly used an oil seal with a square opening.
OEM Numbers (for the purpose of comparison)
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