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100% Made in Italy, this is thePolini PRE 100 cc cylinder kitfrom Polini. This one is designed to be mounted only in combination with the Polini PRE Piaggio short engine assembly. The PRE cylinder is a replica of the 125 Polini Gp model, used in speed motorcycle competition. This model is completely different from the latest "Big Evo" versions because it uses offset studs. This allows for oversized intake and exhaust ports compared to a conventional studded cylinder. The days of internal stud restrictions are now over! So you can find it here in the 100 cc version:
50mm stroke
100mm connecting rod
Single-ring piston, 14mm axle
5 admission transfers
Bar exhaust (3 screw fixing)
One-piece cylinder head
Please note: due to its offset studs, this PRE 100 cc cylinder cannot be mounted on an original type crankcase. You will need to use the PRE engine crankcase!!
100% Made in Italy product, here is the Polini PRE cylinder kit. 100 cc from Polini. This is designed to be fitted only in combination with the Polini PRE motor assembly. Piaggio runs.
The PRE cylinder is the replica of the 125 Polini Gp model, used in speed motorcycle competition.
This model is totally different from the latest "Big Evo" versions because it uses offset studs. This makes it possible to obtain oversized intake channels and exhaust compared to a conventional studded cylinder. The days of internal stud restrictions are now over!
So you find it here in the 100 cc version:
Stroke 50mm
100mm connecting rod
Single piston ring 14mm axle
5 admission transfers
Exhaust bar (3 screw fixing)
One-piece cylinder head
Warning : due to its offset studs, this PRE cylinder. 100 cc cannot be mounted on an original type crankcase. It will be necessary to use the PRE engine casing. !!
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