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Engine casing -MALOSSI V-One, rotary valve- Vespa PX80, PX125, PX150, LML Star/Stella 125/150 Elestart

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Malossi offers two new reinforced PX125/150 motor housings, V-One and VR-One. V-One ROTARY...Continue reading


Malossi offers two new reinforced PX125/150 motor housings, V-One and VR-One.

The V-One has a rotary valve inlet and is designed for those who are either looking for a high-quality replacement for an original engine housing and/or want to build a powerful but quiet touring engine.
The VR-One, on the other hand, has an intake port with a redd valve inlet and is primarily aimed at tuners who attach importance to a high power yield. The reed inlet is moved further in the direction of the cylinder so that full cheek shafts can also be used sensibly (the crank cheeks are no longer in the way of the gas flow).
Both types of cases are already intended for use with a Malossi 177cc Sport or 177/187cc MHR cylinder. The engine housing is already made to fit the overcurrent channels, no further adjustments are necessary. Of course, all other cylinders can also be used on these housings.
The biggest novelty of the Malossi motor housings is the renunciation of loose motor screw bolts as well as the middle seal made of sealing paper. The housing is now assembled with M8 Allen screws, the sealing is done with temperature stable sealing compound (TIP: anaerobic hardening sealing compound from Loctite).
The housings have reinforcements at all neuralgic points (auxiliary shaft, fivefold bolted crankcase, swingarm and shock absorber mount). More material has been planned for the sealing surfaces, so tuners can let off steam to their heart's content. The crankshaft bearing on the alternator side is now much bigger and more stable (25x52x15mm instead of 25x38x15mm).
Pre-assembled silent rubbers on the engine and shock absorber mounts are included with both types.

Engine housing MALOSSI V-One (M5718392)

  • Reinforced motor housing with rotary valve inlet

  • Usable as a replacement for an original Piaggio motor housing (original bearing dimensions)

  • M8 Allen motor screws

  • Stud bolt for cylinder and brake pre-assembled

  • Scope of delivery without intake manifold, without bearing

Motor housing MALOSSI VR-One (M5718382)

  • Reinforced motor housing with diaphragm inlet

  • incl. reed intake (360° rotatable for carburettors with Ø30-34mm)

  • incl. 6 clappets reed

  • M8 Allen motor screws

  • incl. crankshaft bearing (Lima 25x52x15mm / clutch 25x62x12mm)

  • Stud bolt for cylinder and brake pre-assembled


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