Racing cylinder kit VMC «Stelvio 2.0» with 177 ccm suitable for your Vespa Largeframe scooter. You can find a list of the exact models in the drop-down menu below under «suitable for the following models».
The VMC racing kit is a sporty tuning cylinder with a displacement of 177 cc and a bore of 63 mm. The aluminum cylinder has 7 overflow channels and is supplied with a CNC-machined, 8-bolt cylinder head. The head and exhaust flange are sealed with O-rings. A crankshaft with 57 mm stroke is provided as standard for the body, but can also be run with 60 mm stroke using the spacers supplied.
| Material | Aluminum |
| Manufacturer | VMC |
| Area of application | Tuning |
| Displacement | 177 ccm |
| Crankshaft stroke | 57 mm |
| Ø cylinder neck | 66 mm |
| Ø Outlet outside | 37 mm |
| Ø outlet inside | 34 mm |
| Number of fixing points | 4 pcs |
| Ø piston pin (B) | 15 mm |
| Outlet type | straight |
| Hole spacing outlet | 48 mm |
| Decompressor | No |
| Camouflaged | No |
| Vespa | Vespa PX, T5, Cosa - P125X · VNX1T · 1977–1982 (Old PX) External Lock , P125X · VNX2T · 1981–1984 (Old PX) Internal Lock , PX125 E · VNX2T · 1982–1993 / Lusso / Arcobaleno , PX125 · VNX2T · 1993–1996 Classic , PX125 · VNX2T · 1997–1999 (Disc) , PX125 · ZAPM471 · 2001 Model Year Catalytic Converter , P150X · VLX1T · 1978–1993 , P150S · VBX1T · 1978–1990 , PX150 · ZAPM742 · 2001 Model Year Catalytic Converter , Cosa 125 · VNR1T · I 1988–1992 II 1992–1998 , Cosa 150 · VLR1T · I 1988–1991 II 1992–1995 Vespa Rally, Sprint, GT, GTR, TS, SS180, GS160 - 125 GTR · VNL2T · 1968–1978 , 125 Sprint · VNL2T · 1965–1974 , 150 Sprint · VLB1T · 1965–1974 , 150 Sprint Veloce · VLB1T · 1969–1979 , 125 GT · VNL2T · 1966–1973 , 125 TS · VNL3T · 1975–1978 Vespa VNA, VNB, VBA, VBB, Super, GT - 150 Super · VBC1T · 1965–1979 |
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Polini crankshaft "Racing" 57 mm | Vespa PX, P, Cosa, GTR, TS, Sprint V.
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Dimension needle bearing: 15x19x20 · Manufacturer: Polini · Material: Steel · Cheek type: standard · Crankshaft stroke: 60 mm · Connecting rod length center-center: 105 mm · Total length of crankpin on clutch side: 59 mm · Total length crankpin ignition side: 77.35 mm · Ø crank webs: 98 mm · Thread type: MF12x1.25 (fine pitch thread) · Thread type: MF12x1.5 (fine pitch thread) · Ø Connecting rod eye: 19 mm · Ø piston pin (B): 15 mm · Ø Bearing seat (clutch side): 25 mm · Ø Bearing seat (ignition side): 25 mm · Thread length: 14.5 mm · Thread length: 15.5 mm · Wide crank webs: 39 mm · Area of application: Racing · Control time according to O.T: 5 ° · Control time according to O.T: 138 °
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Nominal diameter: 24 mm · Manufacturer: Dell'Orto · Material: Aluminum · Component group Carburetor: Carburetor complete · Area of application: Standard · Area of application: Tuning · Carburetor type: SI · Width: 78 mm · Mounting type: Screws · Height: 81 mm · Nozzle size: 118 · Ø Inside entrance: 23.8 mm · Total length: 125 mm · Ø Output inside: 23.8 mm · Air filter connection thread: M5x0.8 (standard thread) · Ø fuel hose connection: 8.3 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Cable choke · Choke nozzle size: 60 · Nozzle block: BE3 · Camouflaged: No · Piaggio OEM number: E.5474 · Piaggio OEM number: E5474 · Piaggio OEM number: 131038 · Piaggio OEM number: 132371
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