Not approved on public roads, reserved for competition, in no way respects the highway code.
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In the series of the most powerful non-approved cast iron kits we offer this POLINI Ø50mm 80cc (real 76.57cc with the original 39mm normal stroke) for minarelli am6. This model is quite particular, it is the first cast iron kit to have a special exhaust with boosters which allows the exhaust port to be opened as wide as possible without risking reliability (followed the BARIKIT kits , FURYTECH ... who did the same).
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In addition to this, you need to know more about it.
This cylinder is one of the best on the market for the minarelli am6 engine. The transfers have been studied, it should preferably align your crankcases to this cylinder, the intake transfers are as original in number of 5 but the sides are reworked to go forward under the exhaust in order to improve sweep and performance. The diagrams remain fairly torque-based, with a long transmission this kit will be able to pull a very suitable top speed with breathtaking acceleration! We still preferred higher diagrams!
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This kit was created for reliability, so it is very torquey and equipped with a bi segment, these segments are luxury models as on the evolution, they are hard chrome domed in order to reduce friction and wear. The cylinder head is a high compression chamber, hemispherical model with a polished finish. In short this kit is very powerful, torquey, and above all very very solid!
In addition to this, you need to know more about it.
In addition to this, you need to know more about it.
A competitor amply has the height see above the pink top performance, a reference in the field of 80 cast iron kits. In addition, it is more complete than its competitors! It even offers the possibility of reconnecting the original carburetor antifreeze, of course this is not mandatory. 0.30mm valve slats are delivered to support your high engine in these power operating regimes.
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We advise to accompany this kit with at least : reinforced crankshaft, carburation 19 to 21mm, reinforced, cold spark plug B9ES for the settings and B10 to B105 according to the temperature, settings carburetion racing exhaust ... Unlike others, we do not recommend its assembly in long stroke, this cylinder already tends to heat up a lot and its cylinder head is not at all suitable for this type of assembly. With an increase in stroke, especially without increasing the size of the connecting rod, the forcing, friction and heating will increase ...
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The pack contains :
Carburetor antifreeze hose
Hose clips
Complete seal pack
Cast iron cylinder Ø50mm 5 exhaust transfers with boosters
High compression aluminum cylinder head Ø50mm
Piston Ø50mm bi segment
2 domed hard chrome segments
Exhaust connection euro 1 to euro 2
2 reinforced pison clips Ø12mm crab type
Shaft Ø12mm reinforced treated
Notice
Stickers
Guarantee
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As an option we offer you a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the piston and the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!
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Mounts on 50cc motorcycles with gearbox equipped with the minarelli am3, am4, am5, am6 euro 1, am6 euro 2 engine :
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APRILIA RS 50cc am6 engine from 1997 to 2006 (new attention after 2006 in derbi euro 3 engine)
APRILIA RX am6 engine (attention news after 2006 in derbi euro 3 engine)
APRILIA MX am6 engine (attention news after 2006 in derbi euro 3 engine)
APRILIA TUONO 50cc am6 engine from 1997 to 2006 (new attention after 2006 in derbi euro 3 engine)
BETA RR
BETA RR ALU
BETA CRE
HONDA HM
HONDA CRE
HONDA BAJA
HUSQUVARNA WXE
HUSQUVARNA CH
HM DERAPAGE
HM CRE
MALAGUTI DRAKON
MALAGUTI XTM
MALAGUTI XSM
FANTIC CABALLERO
PEUGEOT XP6
PEUGEOT XPS
MOTORHISPANIA RYZ
PEUGEOT XPS
PEUGEOT XP STREET
PEUGEOT XP STREET EVO
PEUGEOT XR6
MOTORHISPANIA RX
PEUGEOT XR7
MOTORHISPANIA RX-R
RIAJU RS1
RIEJU RS2
RIEJU RS2 MATRIX
RIEJU RS2 MATRIX PRO
RIEJU SMX
RIEJU MRX
RIEJU SPIKE
KEEWAY TX FR
YAMAHA DT
MBK X-LIMIT
YAMAHA TZR
MBK X-POWER
SHERCO SM
SHERCO ENDURO
SHERCO HRD
SHERCO ENDURO
And many other machines!
