Generally the gear reduction can be longer than usual in the 177cc class because of the high torque. If you use a touring oriented exhaust with early support (BigBox Touring, Polini Original Box) you should use at least a clutch pinion with 23 teeth on a PX125.
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This product is suitable for the Vespa P 125 X VNX1T. Generally the gear reduction can be longer than usual in the 177cc class because of the high torque. If you use a touring oriented exhaust with early support (BigBox Touring, Polini Original Box) you should use at least a clutch pinion with 23 teeth on a PX125.
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With 24 mm carburetor + BGM BigBox Touring, approx. 15 hp and 17-19 Nm are already available. Suitable exhaust system (e.g. BGM BigBox Touring, Polini Box). Larger carburetor (e.g. BGM PRO Faster Flow SI24).
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Generally the gear reduction can be longer than usual in the 177cc class because of the high torque. If you use a touring oriented exhaust with early support (BigBox Touring, Polini Original Box) you should use at least a clutch pinion with 23 teeth on a PX125.
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This product is suitable for the Vespa 125 TS VNL3T. Carburettor Parts. The jetting is already very close to the ideal for a good running engine and needs only in the area of the main jet a slight correction upwards (larger main jet).
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Bgm 177, Polini 177, Parma 177, DR177 and Olympia 177 Kit. TWE Vespa Cylinder Head Spacer Gasket. 1.5mm Thick Aluminium. For use with 60mm Long Stroke Cranks to take the 177cc kits to 187cc. Made in England by Two Wheeled Engineering.
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The piston running clearance should be between 5-6/100mm. This value refers to a piston without coating. The cylinder (with coated piston) therefore has a narrower running clearance (approx. The piston has a high silicon content. ).
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The jetting is already very close to the ideal for a good running engine and needs only in the area of the main jet a slight correction upwards (larger main jet). Here a 190/BE4 air correction/mixing tube combination was used ex works.
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