Attention, this crankshaft increases the engine displacement, it is not in any case approved or authorized road.
The crankshaft BARIKIT race 43mm is already very famous in this new version. The old model broke easily especially in silks which was in Ø17mm. This crankshaft in this long race 43mm will allow you to gain engine for example:
-Kit Ø47,6mm on original 39mm stroke crankshaft = real 69,40cc
-Kit Ø47,6mm on 43mm stroke crankshaft = real 76,51cc
-Kit Ø50mm on original 39mm stroke crankshaft = real 76,57cc
-Kit Ø50mm to 43mm stroke crankshaft = real 84,43cc
This crankshaft will allow for example to pass a kit MALOSSI MHR Team of 76.57 to real 84,43cc all approaching motor driving movement called "square", a gain of really this performance. However beware, the long passage race increases the charts, so do not pose a kit which has very large diagrams in race 39mm on a 43mm stroke failing to obtain unusable diagrams. We do not recommend completely the passage of a 50cc kit (d.40mm) in long race, you would turn in hyper race ....
In short, the race 43mm if it is well accompanied will prove to be a very big gain torque and performance. If you want to ask this crankshaft on a planned kit as BRK for race 43mm you have nothing to predict, however if you want to put it on a normal kit for race like MALOSSI MHR TEAM, TOP PERFORMANCES ROSE or other .... You must provide a shim 2mm! You also need to provide better align the lights at bottom dead center, we recommend checking the charts during assembly. Now, crankshafts BARIKIT long runs out in silks of Ø20mm like certain BIDALOT or some ATHENA racing. You will have to ask large bearings model (those of minarelli scooter / booster or Derbi), a specific roll pack with oil seal exists in this size, but also in ATHENA BARIKIT. Apart from that, this crankshaft remains quite correct in relation to its price, the masses are full for more pre compression, equalization is done digitally ....
The finish is good, however the rod and steels used is fairly low ratio ranges has TPR race 44mm for example. The connecting rod cage is also revised upward for strength, a model reinforced 12X16X16mm was made and each lubrication of the crankshaft was studied.
information:
-Équilibrage: Yes
-Maneton Ø 18mm
-Course: 43,00mm against 39,00mm for the origin
-A Ride with 43mm kit for racing or 2mm shim under the cylinder
-Soies Of: Ø20mm against Ø17mm for the origin, has come up with the bearings of DERBI or MINARELLI scooter
-Bielle Size: 85mm as the origin
-Cage Needle size: Ø12mm by Ø16mm by L16mm
Masses: full
Recommended resale price: 178,61 euros ttc (all tax included)
Fits the 50cc motorcycles gearbox equipped minarelli am3, am4, am5, am6 euro 1 am6 euro 2:
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Aprilia Tuono 1997 am6 50cc engine 2006 (new attention after 2006 engine derbi euro 3)
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