Kit 70cc Ø45mm ATHENA aluminum for motorcycle HONDA MB 50, MT 50 and MTX 50 air cooling

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...