Here it is available from us, the famous kit ATHENA RACING 50cc Ø40mm 100% complete. This model is really very powerful, big diagrams, barrel racing exhaust, piston mono-segment, high compression cylinder head, seal to make the squish, flaps of valves delivered with ... A very very good high engine much more powerful than the origin. ATHENA has cylinders of very high quality, solidity therefore remains very present! Ideal to gain performance, to accompany a reinforced crankshaft, exhaust racing and carburation 21mm. 
The pack contains: 
 X2 piston clips 
X1 segment 
X1 racing head 
X2 lamella valves 0.35 and 0.40mm 
X1 piston Ø40mm 
X1 piston pin 10mm 
X1 aluminum cylinder Ø40mm 
X1 set of high engine gaskets 
notice 
Sticker 
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Optionally we offer a stage 1 preparation, this preparation is a modification of the exhaust port by increasing the diagrams and improving the pipe, it increases the performance of the cylinder. An improvement of the bottom of skirt is also included in this modification. Allow a little extra time for this preparation! 
Mounts on:
2 stroke engine scooter minarelli horizontal liquid 
 Motor 2 Time scooter minarelli horizontal air spent in liquid (long only)
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 APRILIA GULLIVER 50 
 APRILIA SR NETSCAPER 50 LC 
 APRILIA RALLY 50 LC 
 APRILIA SR RACING 50 LC 
 APRILIA SONIC LC 
 APRILIA SR REPLICA LC 
 APRILIA SR STEALTH
BENELLI 491 SPORT LC 
 BENELLI K2 50 LC
BETA ARK 50 LC 
 BETA EIKON 50 LC
GARELLI GSP 50 LC
ITALJET DREAGSTER 50 LC
MALAGUTI F15 FIREFOX 50 LC 
 MALAGUTI F12 DIGIT KAT LC 
 MALAGUTI F12 PHATOM LC 
 MALAGUTI F12 R LC
MBK MACH G 50 LC 
 MBK NITRO 50 LC
YAMAHA AEROX 50 LC 
 YAMAHA JOGRR 50 LC