Recommended
Description
Oversized cylinder from Polini for Rotax 122 and 123 engines.
A cylinder with 60mm diameter made of nikasil aluminium, that changes the displacement of the motorcycle to 154cc. The kit includes a combustion chamber specially designed for this cylinder. The original cylinder head is still used.
You can mount a pneumatic valve, such as the one from Italkit.
Carburettion for this cylinder according to Italkit recommendations:
| Carburettor | Jet | Pilot Jet | Pulverizer | Needle |
| PHBH28RD | 130 | 55 | AV 264 | X56 |
| VHSB34LD | 158-155 | 36 | Original | K56 |
Additional Information
| SKU: | 146.0800 |
| Stroke: | 2T |
| Refrigeration: | LC |
| Material: | Aluminium |
| Displacement: | 154cc |
| Cylinder diameter: | 60mm |
| Piston Ring: | 2 |
| Includes cylinder head?: | Yes |
| Cylinder Head: | Normal (1 piece) |
| Original pin?: | Yes |
| Pin Measure: | 15mm |
| Original Course?: | Yes |
| Course: | 54,5mm |
| Original Connecting Rod?: | Yes |
| Connecting Rod: | 110mm |
| Thread: | Larga |
Product Questions
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Good for
| Make | Model |
|---|---|
| Make | Model |
| Aprilia | RS 125 |
| Aprilia | RS 125 EXTREMA |
| Aprilia | ROTAX 123 |
| Aprilia | ROTAX 122 |
| Aprilia | Futura 125cc LC |
| Aprilia | AF1 |
| Aprilia | RX 125cc LC - 2T |
| HM | DERAPAGE 2T |
