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Ideal to ride every day with more performance while maintaining its engine capacity and original cylinder head!
Cylinder with piston and accessories respecting the statutory displacement of 49.9cc on public roads. Can be fitted with the original cylinder head or DOPPLER S1F.
Here is the piston cylinder without cylinder head 50cc DOPPLER S1F, it is a small cylinder reputed reliable thanks to its architecture and its design which makes it solid and perfect to circulate every day in all tranquility with more performances! 
A kit in diameter 40 mm which is equipped with a fully exhausted booster escapement light in comparison with the origin, good diagrams, 5 transfers of admission, ... Clearly, a very good little kit that preserves a very great solidity you will understand, it comes without cylinder head, with its bi-segment piston for maximum torque and recovery at low speeds, segments, ... as presented! 
However, we regret a finish a little neglected with the cast iron and in the channels (transfers), in our eyes it is the only negative point of this kit DOPPLER S1F to boost.
We recommend you to accompany this high engine with at least : a running time of 300 km and use a 100% synthetic quality oil and unleaded 98, breech origin or Doppler S1F in connection with accessory, exhaust sport, sports variator, keep the original ignition, NGK B9HS cold spark plug, carburation adjustment necessary with larger nozzle to avoid engine breakage ... recommended cylinder head tightening torque 1 m.kg max. 
The pack contains :
X2 piston clips
X2 segment
X1 piston Ø40mm
X1 piston pin
X1 aluminum cylinder 5 transfers normal exhaust Ø40mm
X1 sets of high engine gaskets
X1 notice
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 :
APRILIA AMICO
APRILIA SR (before 1993 only)
FANTIC BIG WHEEL
GARELLI PONY
GARELLI SR
ITALJET BAZOOKA
ITALJET PISTA
ITALJET REPORTER
ITALJET SCOOP
ITALJET YANKEE
ITALJET ASCOT
ITALJET ASTRA
LEM FLASH
LEM GHIBLI
LEM TORNADO
LEM TORNADO SS1
KOTIR SR
KTM CHRONO
MBK BOOSTER
MBK BOOSTER NAKED
MBK BOOSTER ROCKET
MBK BOOSTER NEXT GENERATION (NG)
MBK BOOSTER CW
MBK BOOSTER SPIRIT
MBK STUNT
MBK TARGET
MBK BOOSTER TRACK
YAMAHA BW'S
YAMAHA BW'S NG
YAMAHA BW'S ORIGINAL
YAMAHA BW'S NAKED
YAMAHA CRZ
YAMAHA CT
YAMAHA SLIDER
YAMAHA SPY
YAMAHA ZUMA
And many other models.
Specific References
Reference: 195427
Premium Viton O-ring for less friction and better sealing of your cylinder head.
Reference: 477533
Ideal to circulate every day with a powerful and solid 50cc kit.
Reference: 215078
A cylinder head with a very good finish, mounts on both the font kits that aluminum kit engine Minarelli and Yamaha vertical.
Reference: 214951
Good quality seal, essential after dismantling your high engine.
Reference: 390948
The replacement piston for DOPPLER S1F cylinder bi-cast segment with exhaust boosters.
Reference: 192807
Essential for maintaining your iron cylinder 50cc DOPPLER Ø40mm.
Reference: 166.0092
A very good high engine that brings a very good performance by preserving the strength and legal displacement of 50cc.
Reference: 032000
A slightly improved kit compare to the origin with an unbeatable price.
Reference: 02133440
The aluminum 5 transfers kit without cylinder head, piston mono-segment boosters and exhaust has.
Reference: 129.0602
An original type kit original look with a black and orange cylinder head. As reliable as the origin for a good price. Last piece available before retirement production !!!
Reference: 5WWWE13A1000
A cylinder - piston 50cc without cylinder head, genuine origin very high quality.
Reference: 482032
The cheapest type kit from the market with a quality and a correct finish.
Reference: 31 8565
For more performance and a strong engine! This 50cc kit will be very good to equip your scooter with Minarelli / Yamaha Vertical Air low engine.
Reference: 441319
A small aluminum kit type original improved to restore your vertical minarelli engine.
Reference: KT00096
A 50cc kit without solid breech, reliable and efficient, installs without problem with the original cylinder head.
Reference: H02138540
A very solid original type kit cast.
Reference: 01131140
The high complete engine with cylinder head AIRSAL SPORT, rectangular exhaust, bi segment ...
Reference: 129.0611
A great kit 50cc aluminum, just below the RS10 GT, ideal for riding every day because it has a great ratio torque / power / strength.
Reference: 129.0614/GT
Already available with us, the very latest from FURYTECH! More powerful, more torquey ...
Reference: 129.0602/C
An original type kit original look in full carbon. As reliable as the origin for a good price.
Reference: 02131140
The kit aluminum 5 transfers without cylinder head, piston Bi segment and rectangular exhaust standard.
Reference: 477549
A very good little kit that will save you a lot in performance.
Ideal to ride every day with more performance while maintaining its engine capacity and original cylinder head!
