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A very powerful kit with an irreproachable quality.
Here is a small very powerful cylinder, the kit 50cc DOPPLER S1R in Ø40mm. Quality aluminum, its finish is good and it has a very racing architecture! Thanks to its revised diagrams, its reworked channels, 5 transfers and its booster exhaust! You will have enough to please you while respecting the authorized cubic capacity. Obviously nothing to do with the 70cc but significantly more powerful than a cylinder origin. 
The piston is a model mono-segment chrome end hard curved to limit friction and allow higher speeds. In our eyes, it's a real little kit full of surprises to gain performance while respecting the displacement of 50cc! Its cylinder head is high quality frustoconical compression model, polished finish. 
Delivered complete as presented in photography with its high compression yoke, its joints, its piston, segment, clips, axis of piston, studs of exhaust ... To remember that the aluminum offers a better dissipation of the heat, but also a better expansion, less friction ... than a cast iron cylinder. 
The pack contains:
X2 piston clips
X1 segment
X1 racing head
X1 piston Ø40mm
X1 piston pin
X1 aluminum cylinder
X1 set of high engine gaskets
... 
Mounts on PEUGEOT scooters equipped with the new engine cooling liquid / intake by carburetor :
LUDIX BLASTER
BLASTER ICE BLADE
BLASTER RS12
BLASTER RADICAL
BLASTER R CUP
FORCE JET
JET C-TECH
JET FORCE R CUP
JET DARKSIDE
JET ICE BLADE
SPEEDFIGHT 3 RS
And other models ... 
Optionally we offer a stage 1 preparation, this preparation is a modification of the channels and exhaust light by increasing the diagrams and improving the pipe, it increases the performance of the cylinder. An improvement of the piston and skirt stocking is also included in this modification. Allow a little extra time for this preparation!
Mounts on PEUGEOT scooters equipped with the new engine cooling liquid / intake by carburetor :
LUDIX BLASTER
BLASTER ICE BLADE
BLASTER RS12
BLASTER RADICAL
BLASTER R CUP
FORCE JET
JET C-TECH
JET FORCE R CUP
JET DARKSIDE
JET ICE BLADE
SPEEDFIGHT 3 RS
And other models ...
Reference: 030301B
High engine without cylinder head TNT for your PEUGEOT !
Reference: HM04
A powerful kit with high quality materials. It will bring you strength and torque!
Reference: 02025440
High quality motor, ideal for riding every day!
Reference: 142.0157
50cc kit very powerful, delivered with gouges and accessories, breech stud in 2 parts!
Reference: 01026340
A kit cheap and yet very efficient in addition to being a very good basis for preparation with its exhaust has boosters and 5 transfers admssion revised upwards.
Reference: 477501
A small cylinder / piston solid at low prices for your blaster, speedfight, jet force ...
Reference: 01025440
A kit slightly more powerful than the origin especially intended to roll every day.
A very powerful kit with an irreproachable quality.
