High engine complete respecting the regulation cubic capacity of 49.9cc on the public road.
Here is one of the most powerful 50cc cast iron market, the DOPPLER S1F is a small cylinder deemed reliable thanks to its architecture and design that makes it solid and perfect for traveling every day in all tranquility.
A high engine diameter 40 mm which is equipped with a fully released booster exhaust light in comparison with the origin , good diagrams, 5 transfers of admission, ...
In addition, provides complete as presented with its high compression aluminum cylinder head with a frustoconical combustion chamber, this cylinder head is mounted on O-ring, which improves the engine compression and especially the safety of a perfect seal once installed on your bottom motor!
A very good kit that preserves a very great strength you will understand, it comes 100% complete with cylinder head, piston bi-segment 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, can be assembled with the original cylinder head, keep the ignition of origin , NGK B9HS cold spark plug, essential carburation adjustment with bigger nozzle to avoid engine breakage ... recommended cylinder head tightening torque 1 m.kg max.
The pack contains :
X2 piston clips
X2 segments
X1 racing head
X1 piston Ø40mm
X1 piston pin 10mm
X1 cast iron cylinder 5 transfers exhaust boosters Ø40mm
X1 set 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 ...
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