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Bearing Crankshaft flywheel

for Vespa T5,
also for Vespa 160 GS/180 SS
/180/200 Rally 1° VSE1T ->
MALOSSI, NU205ECP, C3, 25x52..
..x15 mm,
cylinder roller bearing, with
polyamid cage

Regrettably, the quality of the crankshaft bearings is often underestimated when it comes to motor tuning projects. This is in spite of the fact that the crankshaft that they support is one of the hardest working components of the two-stroke motor!


To help remedy this MALOSSI have, in collaboration with the engineers at SKF, developed a range of high-performance ball-bearings. To easily satisfy the highest standards they are constructed using needle-bearing grade stainless steel. The main differences to other bearings produced by SKF for scooter motors are the larger diameter bearing rollers and the partially carbon-nitrated inner ring. These features lead to a smoother running motor, especially noticeable at high revs. High revving motors can fail prematurely due to excessive heat expansion of standard grade bearings. The MALOSSI bearings are available with a standard internal bearing clearance (CN) and also C3 and C4 (larger than standard internal clearance) grades. These items are, in the most cases, equipped with a polyamide bearing cage but sometimes possess steel or brass cages.


MALOSSI bearing code guide :


STD = Standard internal bearing clearance (CN).

C3 = Larger than standard internal bearing clearance with polyamide cage.

C4 = Larger than C3 internal bearing clearance, with polyamide cage.

C3H = C3 internal bearing clearance, with a pressed and tempered steel-plate snap-cage.

C3M = C3 internal bearing clearance, with a ball-bearing base construction and brass cage.

TN9 = Bearing cage made of polyamide.

ETN9 = 'E' signifies a modern style of construction.


SIP-TIP : Do not forget to order the suitable PTFE crankshaft oil-seals, also produced by MALOSSI!

OEM Numbers (for the purpose of comparison)  6615990B (MALOSSI), 58800 (PIAGGIO)

Customers also searched for this article with:  bearing crankcase

icon explos Spare Parts Catalogue
This article can be found in the following exploded drawings ... go Go to Exploded Drawings!
91045000 $4.93
91000000 $4.44
91070000 $19.64
91030000 $4.05
Our Alternatives
for this item
90050000 $34.55
90051000 $34.55
M6616003 $58.25
M6616004 $67.13
Customers choice
might interest you...
90040000 $9.08
Cylinder, Piston & Crankshaft

This item will be sold out soon.

144g / piece
Stock on hand   Amount


Product forums
fits on the following articles
divider Productname divider Art. No. divider Price divider Stock
Bearing Set Crankshaft for Vespa T5, MALOSSI MHR, cylinder roller- M6616004 $67.13
Bearing Set Crankshaft for Vespa T5, MALOSSI, cylinder roller-/ball M6616003 $58.25
icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 160 GS (GS4) (D) 160 VSB1-2T 2T AC `62-`64
VESPA 180 Rally 180 VSD1T 2T AC `68-`73
VESPA 180 SS Super Sport 180 VSC1T 2T AC `64-`68
VESPA 200 Rally 200 VSE1T 2T AC `72-`79 -> 33996
VESPA T5 / Elestart 125 VNX5T 2T AC `85-`90
VESPA T5 Classic 125 VNX5T 2T AC `92-`95

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