Malossi 57.5mm, 135cc kit. Fits all Vespa Small Frames (excluding 50cc models) from 1965 and on. Vespa 90, 90 SS, 100 Sport, VMA, Primavera, ET3, ETS, and PK
If fitting to a 90 or 100cc engine:
You will need longer cylinder studs (see ref # 150656) and a 125cc shroud (see ref # 174702). 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 (see ref # CRANKSF-RACE), 4 longer studs(see ref # 150656), and cylinder shroud (see ref # 174702).
Kit Includes:
-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.
Installation Notes:
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
Item Properties
click a link below to see all items of that type
Manufacturer
Scooter Fit
Item Type
