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  • crankshaft with pin ø 15, rod 97, stroke 51 mm and reed valve and cone ø 20

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478.21€ -10% 430.39€

Low availability Sold and shipped by: Malossi Spa

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crankshaft with pin ø 15, rod 97, stroke 51 mm and reed valve and cone ø 20

Code: 5316528

Model: vespa ets 125 2t

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Description

STRENGTH AND RESISTANCE

MALOSSI CRANKSHAFTS FOR VESPA


The crankshaft of a Vespa is one of the most delicate yet important components of this type of propulsion unit, having to handle the movement of rods and pistons, as well as regulating intake through the crank timings.

The Malossi technical office has dedicated its attention to both of these elements, creating two versions of the crankshaft and developing unique solutions with a high technological value, starting with the choice of materials; top quality as always.

All Malossi crankshafts for Vespa are made from aeronautical quality reinforced steel and are founded in a vacuum. It is a material highly resistant to scratches and guaranteed by the certifications required in Malossi's strict handbook. The "viper head" piston rod's shape is designed to limit weight to a minimum whilst guaranteeing the required rigidity.

Not even the smallest detail has been overlooked. Indeed, Malossi technicians have even worked on the thread on the transmission side axis of the crankshaft, succeeding in significantly increasing resistance by producing smoother stepping. Even the position of the key has been reviewed both in terms of size and shape, so as to no longer damage the thread and contribute to resistance in what is an avant-garde solution. Crankshafts are supplied with special nuts, much stronger, to take advantage of the increased resistance offered by the tighter thread.


DIFFERENT VERSIONS

Crankshafts are available with different piston rod lengths for "small frame" Vespas, on to which the full crankshaft is fitted.

The shaft for motors with a rotating valve inlet has a standard length shaft and piston rod.

 

FULL CRANKSHAFT

The Malossi full crankshaft, designed only for Vespa motors modified for use with a reed valve inlet systems instead of the original rotating valve, is the next level for Vespa enthusiasts.

As with the rotating valve version, this version is also guaranteed to offer optimal balance, having tungsten inserts. Furthermore the half crank on the transmission end has a specially-designed chamfer to ease fresh gas intake under the sump.

The circular mass structure is the zone which benefits the most from this new shaft and sump configuration, receiving the maximum possible pressure level.

Products reserved exclusively for racing in specifically designed locations according to the provisions of the competent sporting authorities. We disclaim all liability for improper use

Compatible brands and models

Brand Model
PIAGGIO PIAGGIO APE 50 2T <-1989 To be combined with CYLINDER KITS art. 3115829 - 3117681
PIAGGIO PIAGGIO APE FL2 50 2T 1990->1995 To be combined with CYLINDER KITS art. 3115829 - 3117681
PIAGGIO PIAGGIO APE FL3 50 2T 1996->1999 To be combined with CYLINDER KITS art. 3115829 - 3117681
PIAGGIO PIAGGIO APE FL 50 2T 1989->1990 To be combined with CYLINDER KITS art. 3115829 - 3117681
VESPA VESPA ETS 125 2T ATTENTION: the crankshaft seat on the CRANKCASE ignition side shall be bored to Ø 87.
VESPA VESPA ET3 Primavera 125 2T ATTENTION: in order to fit crankshaft, kit art. 6619313 is also necessary (to be bought separately). The crankshaft seat on the CRANKCASE ignition side shall be bored to Ø 87.
VESPA VESPA PK XL 125 2T ATTENTION: the crankshaft seat on the CRANKCASE ignition side shall be bored to Ø 87.
VESPA VESPA PK 125 2T ATTENTION: the crankshaft seat on the CRANKCASE ignition side shall be bored to Ø 87.
VESPA VESPA PK FL 125 2T ATTENTION: the crankshaft seat on the CRANKCASE ignition side shall be bored to Ø 87.
VESPA VESPA Primavera 125 2T ATTENTION: in order to fit crankshaft, kit art. 6619313 is also necessary (to be bought separately). The crankshaft seat on the CRANKCASE ignition side shall be bored to Ø 87.

Spare parts

Product name Code Price
nut kit for crankshaft nut kit for crankshaft 1917862 12.91€ Cart
complete connection rod with wheelbase 97 and pin ø 15 mm complete connection rod with wheelbase 97 and pin ø 15 mm 5316960 152.50€ Cart
roller bearing ø 15x19x20 roller bearing ø 15x19x20 66 3948b 10.98€ Cart
roller bearing ø 20x26x12 roller bearing ø 20x26x12 66 3957b 22.57€ Cart
roller bearing / oil-seal kit roller bearing / oil-seal kit 6619313 79.17€ Cart

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crankshaft with pin ø 15, rod 97, stroke 51 mm and reed valve and cone ø 20

430.39€
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