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Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(

VMC1902
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(
Cylinder -VMC Crono 187 ccm Ø63, stroke=60mm, connecting rod length=110mm, aluminium, spark plug central- Vespa PX125, PX150, Cosa125/150, GTR125, TS125, Sprint Veloce (VLB1T 0150001-), LML Star/Stella 125/150, Motovespa PX125 Iris(99M), PX150 Iris(

Description


Racing cylinder VMC CRONO 187CC

Powerful aluminum cylinder with 177ccm for Vespa Largeframe

VMC offers different cylinders for the Vespa Largeframe models. The main distinguishing feature is the cylinder base material used.
The CRONO 187 shown here is made in aluminum and hard ceramic coated. Thus, it is perfectly prepared for the high targeted performance of the kit.
The cylinder can only be driven with a special crankshaft with 110mm connecting rod length as well as 60mm stroke. For this you can use a crankshaft of the PX200 (long stroke) and turn the shaft on the clutch side (small web) to make it fit for the 80-125-150cc engine cases. Then use a conversion bearing with Ø15mm inner diameter as piston pin bearing.

  • Bore: Ø63mm

  • Stroke: 57mm (series)

  • Connecting rod length: 110mm (series 105mm)

  • Piston: cast aluminum

  • Piston pin: Ø15mm

  • Piston rings: 2pcs, 1mm thickness

  • Cylinder head: Aluminum CNC

  • 8-bolt CNC cylinder head

The generous channel surfaces do not require long timing angles for its high power capability.
With 120°/178° and the resulting 29° advance angle, the cylinder for PX engines is already relatively sporty designed and reacts by the large Vorauslaß already very positivi to a good box exhaust system such as the BGM Touring 2.

  • Steering angle: 120°/178

  • Recommended squeezing edge: 1.3mm (±0.1mm)

  • Tightening torque cylinder head bolts M6: 10-11Nm

  • Tightening torque cylinder head nuts M7: 14-15Nm

  • Enclosed gaskets: 0.2mm, 0.3mm, 0.4mm


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Manufacturer Information
Avotecnica
Via Roma 166, Box 2
36050 Bressanvido, VI - Italy
https://avotecnica.com/
info@avotecnica.com

Responsible Person for the EU
Avotecnica
Via Roma 166, Box 2
36050 Bressanvido, VI - Italy
https://avotecnica.com/
info@avotecnica.com
 
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OEM numbers (for comparison purposes only)
Avotecnica 001902-C17
VMC 001902-C17
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Racing cylinder VMC CRONO 187CC Powerful aluminum cylinder with 177ccm for Vespa Largeframe...Continue reading
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