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Here is a rather unique kit of the Italian house PARMAKIT. Indeed, with its diameter of 50mm and 46mm stroke crankshaft, this kit offers no less real 90,32cc torque and power! This model is for rod 85mm (also available in rod for 90mm). It takes an architecture based on the 110cc of the same brand.
The rod 85mm offer more pre compression because the piston / cylinder 5mm are more willing lower engine compared to the model rod 90mm. In addition, the path of the gas is also shorter on the rod 85mm model the model rod 90mm. However the model rod 90mm libéreras slightly high speed (less rod forcing).
Design unlike 110cc does not require specific machining to pass the cylinder in the housings. However, it will align the housings which is not bad work. This big bore recess must request a long race to talk ... However this D.50mm kit is also available for short stroke 39mm! With the 46mm race scheduled for this cylinder, it does not stray too engine says square, allowing a couple but also excellent senior diets!
The cylinder was very worked, 5 admission transfers are present, one for the back (we all know that the rear transfer has hardly used the activation valves and scanning ...), the side are the number 4 and they are very bulky, plus on the front bottom as most hyper racing big brand cylinder. Exhaust level PARMAKIT opted to exhaust has booster, is best suited to couples of the beast, a large exhaust has booster is very well drawn on the cylinder.
The piston is a true vertex in mono end segment (1mm) to fully release the high mode. It is a low domed piston crown. This cast piston is a weight of 113 grams (complete with pin / segment / clips). For the cylinder head, it must extract heat from the thermal group (especially for the 46mm race still majorises heating) PARMAKIT therefore opted for a cylinder head stud. Plot of machined cylinder head in the mass of high-quality aluminum, the room is a very suitable model to the piston / cylinder, hemispherical shape is polished, we regret that the block is not used to keep aligned the chamber cylinder, the pieces fitting is always possible. The cylinder head cover is also very well designed and has an excellent maintains! Anyway ... We could spend hours talking to you this nice monster we pulled out all the PARMAKIT, this kit was really neat to skirt cut point for improving the filling ...
The whole thing is really a set of quality, neat, large study. Just one gripe Ø 32mm exhaust outlet would have been well come (the example of aluminum TOP PERFORMANCES 86cc or the AIRSAL X-TREM) against the Ø28mm here now! This minor complaint will not stop the good preparer will know who to talk this kit ... We also greatly appreciated the well-defined diagrams related to the whole, they are still much higher than the SIMONINI 90cc for example.
We recommend this kit with: PARMAKIT 46mm stroke crankshaft axis 12mm rod 85mm, 28mm minimum carburetion and quality with valves / pipe ... reinforced bearings, cooling good, thorough preparation, efficient lighting, well reinforced clutch, cold candle racing exhaust ...
The pack contains:
X1 yoke stud
X1 pack attached with 3 joints of base plate for squish
X1 cylinder head cover
X1 aluminum cylinder 5 transfer nykasil D.50mm for race 46mm rod 85mm
X1 vertex piston mono segment d.5àmm
X1 D.50mm segment chrome domed X 1mm hard
X1 axis 12mm piston
X2 crab-like piston clips
X1 user manual
Optional we offer a preparation course 1, this preparation is a modification of the channels and the exhaust port by increasing the charts and improvement of the duct, it increases the cylinder performance. Improved piston and bottom skirt is also included in the amendment. Allow a little extra time for this preparation!
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