Complete engine assembled RRD RACING POLINI 70cc MBK 51 / motobecane av10

Complete air-cooled engine delivered assembled and ready to ride! We have equipped this engine with POLINI casings, an ARTEK reinforced crankshaft. For admission / carburation: POLINI racing valves with carbon fiber slats tuned to the engine, flexible 21mm pipe for PHBG assembly. (you can put a RIGID PHBG carburettor and remove the pipe from the pack if desired)

For the ignition part, we install a MORIYAMA electronics set racing at 1.5mm before PMH (we put the high-end MORIYAMA, we refuse the installation of the first price MORIYAMA types which pose major reliability problems). For the High engine, we chose the POLINI 46mm W with POLINI RADIAL cylinder head!

The engine is delivered without spark plug, in the basic configuration, we recommend a B8HS for adjustments and running-in, then a BR9HIX.

Engine to break in 500km. Use quality 100% synthetic oil at 2.5% in SP98 or SP100. To be installed with the original mainspring (not supplied) and the original spring paste (supplied). To be accompanied by an original CDI (not supplied) or racing (not supplied). And to be installed with a released original exhaust or a sport exhaust (highly recommended, not supplied). Remember to use a quality belt in good condition! (not provided)

A stage 1 engine preparation is available (in-cylinder option)

Only reserved for the competition!! Possible speed with good acceleration: 100 to 110 km/h depending on transmission. Target speed: Around 9,500 rpm without preparation and 10,500 rpm with STAGE 1 preparation.

Mounts on:

MBK 51.

Delivered :

- Without dimmer (you can add a dimmer to the basket, we refuse the installation of first price original type dimmers, it will have to be installed by you). We recommend at least a DOPPLER ER2 with a DOPPLER ER2 clutch pulley for the best!

- Without mainspring or mainspring attachment

- Without CDI and high voltage coil

- Without spark plug (B8HS and BR9HIX recommended)