Ideally based on a good foundation on your competition MBK 51, here casings BIDALOT G1 / G2. These genuine competition housings are delivered with the crankshaft BIDALOT, anyway they can not be fitted with a standard crankshaft MBK 51 even strengthened since they are machined wholesale 47mm diameter to ask the famous size bearings DERBI, MINARELLI SCOOTER ... Ø20X47X14mm.
This crankshaft is recess silks of Ø20mm, ultra reinforced, in full masses, perfectly balanced, its lubrication are studied and improved, it is initially planned to ask crankshaft 12mm piston pins (or other in the cage posed by eg a 13mm shaft with a cage Ø13XØ16X length 16 or another length), its course is not 41,8mm as the origin of MBK 51 but 39,7mm.
You are also supplied with special BIDALOT competition admission. These housings with their improved architecture allow you to greater performance (better filling, better scanning, better job flaps slats, better volume low engine ...). The intake pipe is specially designed for one flexible PHBG carburetor maximum diameter 21mm (unless preparing to increase the internal diameter).
You can put on this set any high-pitch engine MBK 51 standard (50mm either side by 43mm front and back) and why not a famous BIDALOT G1 or G2! The bearings are delivered polyamide cage (you can ask the angular contact or celeron if desired as existing in this size), the two seals special size Ø20X30 spy by 5mm you are also delivered, and are available as a spare part.
These casings being complete (equipped), they are delivered with screws, studs, nuts a base for the high engine! In short pretty well complete monster performance, scalable level blades, intake pipe, bearings ... According configuration! Limited series, already a rare piece from BIDALOT.
Comes complete with:
Crankshaft -Roulements Ø20X47 by 14mm thickness (standard DERBI, MINARELLI SCOOTER ..)
-Vilebrequin G1 / G2 short race 39,7mm competition bristles 20mm
-Clapets Special treated glass fiber strips
Aluminum intake -Pipe for flexible mounting internal and external Ø21mm Ø25mm
-Carters G1 / G2 competition
-Joints Special spy Ø20X30X 5mm thickness
-Visserie And dowels
Cylinder reinforced -Stud
-Cage A needle axis Ø12mm piston (12X16X16mm)
-4 Nuts a base for high engine
