Attention, not approved on open road, reserved for the competition on closed circuit.
Here is the high engine kit for HONDA MB, MT and MTX 50 with air cooling. A true high-end Made in Italy (ATHENA EUROCILINDRO mold) which compared to the origin will bring you more torque and top speed on your motorcycle without neglecting the reliability of your 2 wheels. The cylinder is therefore an aluminum model with a high quality nikasil coating. The channels, the finish ... everything is excellent!
Equipped with 6 transfers including 2 on each side and 3 at the rear specific. Its admission is widened and optimized to improve filling. The fixing distance for the intake manifold / pipe is 61 X 40mm.
The exhaust is fastened by 2 Ø8mm studs, this is a revised model, enlarged and oval in shape. The piston is a special bi-segment version with low domed cap designed to accompany with the original cylinder head and at the same time increasing the pre-compression of the engine! Model with preparation and opening on the rear skirt to improve sweeping and efficient lateral grease fittings
Accompanied by 2 chrome steel segments 1.5mm thick, reinforced crab type clips and Ø12mm by 37mm axle. Clearly, an ultra-efficient cylinder / piston that will offer you solidity, reliability and performance both in low revs (torque) and high revs (top speed)! A real gem from ATHENA.
We recommend accompanying this kit with at least: 24mm carburetor, cold racing candle, 100% synthetic racing engine oil, exhaust adapted to release volumes and performance ...
Contains :
-Aluminum cylinder 6 transfers diameter 45mm with large oval exhaust
-Piston bi-segment Ø45mm with preparation on the rear skirt and side grease fittings
-Two Ø45mm X 1.5mm thick segments in chromed steel
-Piston axis Ø12mm X 37mm
-Clips, reinforced crab type rods
-Pack engine seals
-Notice
-Sticker...
