Racing cylinder VMC Ø 72 mm «244 Explorer» suitable for your Vespa P 200E, PX 200, Cosa 200 and Rally 200.
The VMC Explorer is an aluminum tuning cylinder with 244 cc and designed for a crankshaft with a long connecting rod (at least 126 mm). The raceway is coated with nickel-silicon carbide (colloquially known as Nikasil) and the engine layout is designed with 7 overrunning channels for a wide, high-torque power band. The cylinder head is bolted 8 times and the spark plug is located centrally, the bolted steel exhaust flange and the cylinder head are sealed by an O-ring.
| Manufacturer | VMC |
| Number of fixing points | 4 pcs |
| Material | Aluminum |
| Camouflaged | No |
| Displacement | 244 ccm |
| Crankshaft stroke | 60 mm |
| Ø cylinder neck | 75.8 mm |
| Ø Outlet outside | 44.5 mm |
| Ø outlet inside | 38.5 mm |
| Ø piston pin (B) | 16 mm |
| Outlet type | straight |
| Hole spacing outlet | 48 mm |
| Area of application | Tuning |
| Decompressor | No |
| Vespa | Vespa PX, T5, Cosa - P200E · VSX1T · 1977 - 1984 (Zündschloss Lenkkopf) , PX200 · VSX1T · 1984 - 1993 Lusso / Arcobaleno , PX200 · VSX1T · 1993 - 1996 Classic , PX200 · VSX1T · 1997 - 1999 (Disc) , Cosa 200 · VSR1T · I 1988 - 1992 II 1992 - 1998 |
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Polini crankshaft "Racing" 57 mm | Vespa PX200, P200, Rally 200, Cosa 200
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Polini crankshaft "Racing" 60 mm long-stroke | Vespa PX200, P200, Rally 200, Cosa 200
Dimension needle bearing: 16x20x20 · Manufacturer: Polini · Material: Steel · Cheek type: standard · Crankshaft stroke: 60 mm · Thread type: MF12x1.25 (fine pitch thread) · Thread type: MF12x1.5 (fine pitch thread) · Connecting rod length center-center: 110 mm · Thread length: 14.5 mm · Thread length: 15.5 mm · Total length of crankpin on clutch side: 58.8 mm · Total length crankpin ignition side: 77.7 mm · Ø crank webs: 97.9 mm · Ø Connecting rod eye: 20 mm · Ø piston pin (B): 16 mm · Ø Bearing seat (clutch side): 25 mm · Ø Bearing seat (ignition side): 25 mm · Area of application: Racing · Wide crank webs: 39 mm · Control time according to O.T: 5 ° · Control time according to O.T: 138 °
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