Not approved on the open road, part formally reserved for competition, this crankshaft increases the engine capacity.
Top-of-the-range competition crankshaft, ITALKIT special 42.00mm stroke crankshaft and 90mm connecting rod. This model is unique and perfectly well designed. Full masses, it is dynamically balanced and cut from the best steels. Its dynamic balancing, the bearings, bearing bristles are increased to Ø20mm.
A new connecting rod is also installed on this connecting rod, reinforced 90mm model forged in the mass. Ultra light, it is really reserved for competition! This linkage will support high engine speeds without any problem and will strengthen your low engine against any test.
Light weight and maximum rigidity are there. Its lubrication is improved, the small end cage is increased for a better hold, treated with silver and mounted on anti-friction wedges Supplied with its competition needle cage, treated with silver size Ø12x16x15mm.
Use it to change your 80cc kit thanks to the long stroke of 42.00mm or to replace the crankshafts which are supplied in the ITALKIT Alu 80cc packs. The connecting rod size 90mm is intended only for cylinders with long strokes.
Features :
-Full masses Ø77mm
-Soies (bearing seats) Ø20mm
-Bielle 90mm (against 85mm of origin)
-Stroke 42.00mm
-Dynamic balancing
-High-end reinforced materials
Contains :
-Cage needle Ø12X16X15mm
-Crankshaft stroke 42.00mm connecting rod 90mm
-Notice
