Recommended
Description
Bigbore Polini 154cccylinder for Rotax 122 and 123 engines.
Made in aluminium with a 60mm diameter double piston ring , a special treated cylinder head for this cylinder and together with the pneumatic valve italkit ref. VER.01.125, you will keep power at low RPM and gain power at high RPM.
Getting a development of up to 11.000 RPM, a total of 37cv and 154cc.
can be equipped with electric and pneumatic exhaust valve!
Polini recommends the following carburetion settings
| Carburettor | High idle | Low idle jet | Sprayer | Needle |
| dellorto PHBH 28 RD | 130 | 55 | AV 264 | X56 |
| Dellorto VHSB 34 LD | 158-155 | 36 | Original | K56 |
Kit includes
- Cylinder
- Cylinder seals, exhaust, exhaust valve, exhaust, various seals for squish, cylinder head
- Cylinder head
- Complete piston
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 Type: | Cylinder |
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 |
