Racing Cylinder POLINI Evolu..
..tion 68cc for MINARELLI
vertical 50cc 2-Stroke AC
Ø 47,0mm, aluminium,
1 piston ring(s),pin 10mm,
with cylinder head
The EVOLUTION series comprises the complete product area at POLINI a series made only for the hammer hard racing scene. The same rules apply as for the MALOSSI MHR series: this series is only for those who have enough background in technical know how and also have the ability to pilot highly tuned vehicles. There is a great deal of potential in this range of high end tuning, and know how and capabilities are necessary in order to make use of it. We have a range of products from POLINI, 50cc and 68cc cylinders, as well as variomatics, crankshafts, exhaust, belt pulleys, ignitions, carburetor kits, Speed Drives, clutches, fan belts and reed valve blocks.
RACING CYLINDER KIT POLINI Evolution 68cc
Divided racing cylinder head, chrome nicasil coated piston race, divided exhaust with center bar, can reach up to 16 horsepower (50cc) and 20 horsepower (68cc). Larger carburetor (19mm and up) / full sealable crankshaft with 12mm piston pins recommended. Delivery includes cylinder head/ piston/carbon reed fl aps/ gaskets.
SIP TIP! All Evolution cylinders can be used with a 10mm crankshaft. If ordering, simply add a 10 at the end of the article number (we recommend 12mm for racing purposes!).
OEM Numbers (for the purpose of comparison)
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