Cylinder - piston without cylinder head 50cc Ø40mm DOPPLER SPORT cast minarelli vertical (booster rocket, bw's, ...)

Here is the cylinder / piston without cylinder head 50cc of the house DOPPLER, this cast iron diameter 40mm model named SPORT will allow you especially to leave on solid bases, reliable and this for a small price.



DOPPLER has mainly worked on the diagrams, the 5 transfer channels, the intake ... This cylinder has an oval exhaust booster, the piston is a high-end two-segment model with chrome end segments that will offer you a maximum of torque and strength.



A very good little high engine that you can accompany a breech of origin or DOPPLER high compression.



Delivered complete as presented with piston clips, axle, segments, base gasket, manual ...

The recommendations after assembly are the following: 300kms running in with a good 2-stroke racing oil, sufficient original ignition, NGK B9HS short-head cold spark plug highly recommended, an original air filter, a carburizing adjustment.



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 other models ...