The 50cc kit diameter 39mm ATHENA racing version is a very good kit aluminum treated nykasil, it has diagrams that gives it very good engine speeds and thanks to its bi-segment piston, a lot of torque. This cylinder has an excellent architecture and well-worked channels. With 4 transfers, 2 side and 2 rear. Its exhaust is of standard shape, internal thread diameter 30,5mm.
His treatment nikasil is of good quality, some will recognize its provenance ...! The transfer channels are well designed. It is accompanied by a bi-segment piston with a slight preparation on the rear skirt.
This piston will favor the low revs therefore the couple without neglecting the high revs. However we must not forget that its engine capacity is 50cc and that the purpose of this cylinder is to combine strength, reliability, very good price, engine capacity and performance!
We recommend it with at least: 15mm carburetion, reinforced bearings and crankshaft, cold racing candle, racing exhaust ...
The pack contains:
High-end aluminum cylinder 4 transfers
-Piston bi-segments Ø39mm
-Two segments cast 39mm X thickness 2mm
-Axle piston Ø13mm X 30mm
-Clips in G
-Reinforced and base plate gaskets
-Autocollant ...
In option we offer a stage 1 preparation, this preparation is a modification of the channels and the exhaust light by increasing the diagrams and improving the pipe, it increases the performance of the cylinder. An improvement of the piston and skirt stocking is also included in this modification. Count a little extra time for this preparation in addition to the announced deadline!
