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Gear shaft gearbox 6 couplings with 2 holes for cruise alignment for Vespa 50-90-125 Primavera / ET3 / PK
The new reinforced wheel axle for smallframe vespa engines is
made of very high strength steel and relative treatment of
The material used and the new sizing make the tree
particularly suitable for engines prepared or with larger displacements
to the norm (even up to 250 ccm)
Today, thanks to recent investments by some manufacturers, it is
You can find on the market a very large selection of thermal groups
powerful that even exceed 40 horsepower.
I remind you that the smallframe vespa engine was born to last in
time and that its power hardly exceeded 10 horsepower.
With these increases in power, it is essential to adapt all the kinematics in order to avoid premature breakage and wear.
Example of the new dimensioning. The thread has also been increased to M16x1.25