Project Description

For the OK Junior class

An engine full of new solutions.

New engine with architecture designed to keep the overall dimensions and weights to a minimum.
Homologation form
Data sheet

Engine Information

Ignition 125 cc
032-EJ-52 approval
Categories 125 OK / JUNIOR
Bore x stroke 54 x 54.40 mm
Max power n.d.
Max. 14000 rpm
Cooling Water
PVL ignition
Lamellar Aspiration
Dell’Orto VHSH 30 carburettor (approved)
Connecting rod length 104 mm
Combustion chamber vol. Minimum 12 cc (approved)
Number of transfers 5
Number of exhaust ports 3
Main transfer opening n.d.
Height of secondary ports n.d.
Central pouring height n.d.
Discharge height n.d.
Homologated muffler
4% oil / petrol mixture
Dry weight 8 Kg