*Just updated by Malossi featuring a brand new design! The 135cc cylinder kit has been re-worked for increased performance and reliability.*
Malossi 57.5mm, 135cc kit. Fits all Vespa Small Frames (excluding 50cc models) from 1967 and newer. Vespa 90, 90 SS, 100 Sport, VMA, Primavera, ET3, ETS, and PK
If fitting to a 90 or 100cc engine:
You will need longer 4 Longer Studs, and a Cylinder Shroud. Some 90cc engines actually already come with the correct shroud.
If fitting to a 50cc Vespa Engine:
You will need a 90/100/125cc crank shaft, 4 Longer Studs, and a Cylinder Shroud
Air + Fuel= Horspower. Don't forget to pair the cylinder kit with a Malossi 20mm Carburetor and a Malossi Power Exhaust
Don't forget to add a few Main Jets, if you add the exhaust be sure to up-jet your main jet around 5 points over stock.
-57.5mm cast iron cylinder
-Cast aluminum piston with 1.5MM thick chrome rings, clips, and wrist pin (Wrist Pin Bearing sold separately. See reference number 500541)
-High compression cast aluminum cylinder head with hi-temp Oring seal.
-All necessary gaskets, instructions, and the block-off plates for the rotary and cylinder intakes.
This Malossi kit offers unmatched performance and quality. All Malossi components are 100% made in Italy. This particular cylinder kit offers the flexibility to be run via the stock rotary valve intake or via a reed-block mounted directly to the cylinder. The kit includes block off plates depending on which way you decide to go.
1-You may have to grind off the lower cylinder fin to clear some of the larger diameter flywheels.
2-This kit needs the ports transfer ports chamfered prior to installation (we can do this for a $25 fee. See Ref # Labor-Chamfer).
3-As with all two stroke cylinder kits, Ignition timing and jetting will need to be adjusted after installation
Scooter West has been a proud distributor of Malossi products since 1995. We
keep more Malossi part numbers in stock than any other company in North America.
When it comes to quality performance scooter parts, MALOSSI is the long-standing
industry leader for price, selection, and quality. All Malossi components are
made 100% in Italy. All final manufacturing, assembly, and research and
development is done at their impressive facility in Bologna, Italy. Literally,
just down the street from Ducati and a 20 minute drive from Ferrari. The quality
of Malossi components is commonly far superior to comparable original equipment
components. They are after-all, designed and race-track tested and approved.
Like many other Italian aftermarket companies, Malossi has humble beginnings as
a small family business sprung from one man's passion. Mr. Ugo Malossi started
tuning and manufacturing the best performance carburetors in the region under
the tutelage of his mechanically accomplished father, Armando. In 1957, with the
vision of Ugo, Malossi was formally born. Ugo's son and daughter are the active
managers of the company and they share in their father's passion and vision to
**Disclaimer** No Refunds, Exchanges, or Returns on performance items.
Certain performance items may void your factory warranty. Additionally, some
performance items may not be suitable for on-road use. Scooter West is not
responsible for any damages caused by the correct or incorrect installation
and/or misuse of any performance products. With all this standard legal jargon
being said, we wouldn't sell anything that we wouldn't install on our own
scooters. We are blessed to have a Robot running our service department that
makes sure everything is installed correctly on our personal scooters ;).