VMC GS58-S 135cc Cylinder Kit Side Spark Plug and Racing Exhaust Handmade ROAD - S3
Gruppo termico VMC GS58-S 135cc Ø 58 mm corsa 51mm, Candela Laterale
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Pack content
VMC GS58-S 135cc Ø 58mm stroke 51mm thermal group
SIDE SPARK PLUG FUSION HEAD
Bore diameter 58mm Stroke 51mm Displacement 135cc
Timings: Main transfers 124° Exhaust 174°
Piston made of double-band aluminum alloy with high silicon content.
CNC machined die-cast aluminum head
Steel segments Steel pin Steel retainers
Recommended squish 1.2 mm Tightening torque m6 bolts 11-12 Nm, m7 nuts 1.4-1.5 Nm
It is mounted with 51mm stroke crankshafts and 97mm connecting rod
It is the highest performing cast iron cylinder of this displacement on the market!
Coupled with the Vmc Siluro muffler it becomes an engine with power always available while maintaining the reliability of the original engine with a classic look and sound.
The perfect tuning for your Vespa .
Attention: To be mounted on Piaggio crankcases, a small machining operation is required on the crescent, as the cylinder has been designed with generous fluid dynamics that require more space on the base of the same.
Data sheet
- Versione Vespa
- Vespa Small Frame
- CYLINDER
- Cast iron
The color of the silencer may vary from the photos
Racing Exhaust Artisanal ROAD - S3 for Vespa small frame 125 Et3, Primavera, 50 Special wheelbase stud holes are 52 mm
Made on the basis of the now classic Vmc Evo, this muffler takes its shape while slightly changing the technical characteristics
It is made with slightly different and less refined finishes than the Evo in order to be offered at a lower cost.
Mounts on Et3 frames with the side drawer, on Pk frames it is necessary to slightly cut the bulkhead to allow the expansion curve to pass through
On pre-1976 Primavera frames the box is deeper and may limit the muffler fitment.
Designed to give the best on 122/184 phases, it adapts to a wider range of phases.
It fits very well to 130cc long stroke cylinders which have 32mm exhaust diameter
Excellent for VMC GS-56/58, M1elle 56/60, Pinasco zuera, Polini 135cc evolution, Malossi 135 and similar thermal groups
NB Mounting on cylinders with 52mm stud center distance is difficult.
It has a generous torque delivery from mid-range and an over-revving that can reach over 10,000 rpm depending on the tuning fitted.
Transforms the sound of the Vespa engine from a classic scooter into a classic 2-stroke racing Enginecycle.
AFTER USE, APPLY OIL TO THE STILL HOT MUFFLER TO PREVENT THE FORMATION OF SURFACE RUST
TO ENSURE CONSISTENCY IN THE SALE OF THE MUFFLER, THE SILENCER CAN BE BLACK OR GREY DEPENDING ON AVAILABILITY IN STOCK
Data sheet
- MARMITTA
- Artigianale Marmides
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