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.
