Cylinder kit, Polini Sport 50 ccm Junior version of the 70cc sport cylinder. 40mm bore, trapezoid type exhaust port with 2 smaller auxiliary ports. Unfortunately, it cannot keep up with the 70cc version performance-wise.Use short-thread sparkplug for this cylinder

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Nom: POLINI KIT CYLINDRE 50CC BWS'R (cylinder)  Prix: 219.95  Sku: 166.0092  msrp: 0.00 
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Motoforce Roulements de vilebrequin HQLe jeu contient deux coussinets de grande valeur de SKF et des Joints spy Corteco avec une double étanchéité

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Nom: Motoforce Roulements de vilebrequin HQ  Prix: 29.99  Sku: mf33.16607  msrp: 0.00 
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70cc Stage6 Racing 'The racing version of the Stage6 line. Built for us by Athena. Power is among the best of the Mid-Race range, a very durable nikasil plating inside together with the fast heat shifting nature of an aluminum cylinder ensure excellent reliability. The main differences to the Sport Pro are longer port durations, a bridged exhaust port which makes for huge port time area and a higher compression ratio. Needs either a 17.5mm or eve...

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Nom: Stage6 70cc RACING alu 10mm mina/V  Prix: 309.95  Sku: S6-7016802/R  msrp: 0.00 
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Corsa cylinder kit, 70 cc, Polini **sur commande special kit complet** If combined with the right components (race-exhaust, carburettor,...) Polini's Corsa kit will produce up to 14 Bhp; topspeed will be up to 120 kph. This kit should be run on a carb of at least 17,5mm diameter, only then will there be sufficient internal cooling. If set up properly, this kit may be very reliable. Kit comes complete with head, gaskets, piston, a set of carbon...

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Nom: POLINI KIT CYLINDRE CORSA 70CC FONTE YAM BWS'R V (cylinder)  Prix: 350.00  Sku: 166.0074/R  msrp: 350.00 
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Nom: TOP PERFO piston kit mina V/H.47.40 mm trophy  Prix: 81.99  Sku: 9906044  msrp: 0.00 
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70cc Stage6 Sport PRO This is the stuff we're having made in Italy by Athena, so there is no one in-between making any profit. The same sort of money that usually gets you a humble cast iron cylinder will buy you a plated aluminium cylinder here. A comparatively tame exhaust port timing together with a huge port area make for an extremely torquey kit which will also rev on nicely. There are not many cylinders powerful enough to stand the Pro's pa...

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Nom: Stage6 70cc Sport PRO 10mm mina /V  Prix: 239.00  Sku: S6-7016802  msrp: 0.00 
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Stage6 small-end bearing 10mm High quality silver small end bearings from Stage6 (10mm version). The best bearings available on the market! These are the only ones we use with our race engines. Very resistant construction. dimensions: 10x 14x 13mm Fits the following Models:   Adly Silver Fox 50Adly TB 50Aprilia Amico 50 (1991-1992)Aprilia Amico 50 (ab Bj.1993)Aprilia Amico GL 50Aprilia Amico Sport 50Aprilia Area 51 50Aprilia Gulliver 50 AC (air)...

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Nom: Stage6 BEARING Piston HQ Argent, 10mm V/H fit prima/RALLY  Prix: 19.95  Sku: S6-802000  msrp: 0.00 
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**SPECIAL TOUS LIQUIDÉ** Cyl.Malossi MHR Racing 70cc Malossi's most powerful consumer-racing cylinder for vertical Minarelli engines (Booster, BW, Stunt, Slider.). Bore 47.6mm, power up to 15-16 Bhp. Runs on 10mm gudgeon pin crankshaft   Le cylindre Streetracer, le plus puissant de Malossi, s'adapte à des moteurs Minarelli, montés verticalement (Booster, BW, Stunt, Slider…). Alésage de 47,6mm, rendement jusqu'à 15-16 ch. 6 transfer...

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Nom: MALOSSI_CYLINDRE KIT BWSR MHR 47mm/10mm 12mm REF:34 7849  Prix: 0.00  Sku: 31 7559  msrp: 479.95 
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Cyl.Hebo 70cc Manston Replica The replica version of the high-end Hebo Manston cylinder. This aluminium cylinder also is equipped with a bridged exhaust port and a modular cylinder head. More bottom end power than Italkit, which results in more torque but less top end performance. The ports of this cylinder are very precise and it makes for some good eye candy. Fits the following Models:  Aprilia Amico 50 (1991-1992)Aprilia Amico 50 (ab Bj.1993)A...

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Nom: Cyl.Hebo 70cc Manston Replica  Prix: 309.99  Sku: HR4000151N  msrp: 0.00 
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Cylinder Polini 70cc Sport Polini, the market leader in two stroke tuning, have produced this reliable cast-iron kit for everyday use. Will work with the original carburettor although mainjet should be increased by aprox. 8-10%, power output up to 9 Bhp. Remarkable because of its massive bottom end punch, which makes it a wheely addict's premier choice. Comes with gaskets, piston and cylinder-head. We recommend Bosch's W3CC (W3AC) spark-plug.perf...

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Nom: POLINI KIT CYLINDRE 68cc 9hp MINA V 10mm (cylinder)  Prix: 239.99  Sku: 166.0074  msrp: 0.00 
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**SPECIAL 269.99 DETAIL 445.95** -40% RABAIS Cylinder Kit 70cc Polini Evolution for standard (10mm piston-pin) crankshaft For Minarelli engines, Polini offers a version of their 70cc Evolution cylinder with a 10mm piston pin, which means converting back to the original or a sport cylinder is less of a problem. If you want to use the evo kit permanently the 12mm version certainly is the better choice though

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Nom: POLINI KIT cylindre EVO BWS'R 70CC alu 10MM V 13.5HP (cylinder)  Prix: 269.99  Sku: 166.0081  msrp: 445.95 
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Cylinder Kit 70cc Polini Evolution for standard (12mm piston-pin) crankshaft For Minarelli engines, Polini offers a version of their 70cc Evolution cylinder with a 10mm piston pin, which means converting back to the original or a sport cylinder is less of a problem. If you want to use the evo kit permanently the 12mm version certainly is the better choice though

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Nom: POLINI KIT cylindre EVO BWS'R 70CC alu V 13.5HP (cylinder) 12mm  Prix: 449.95  Sku: 166.0082  msrp: 0.00 
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