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for GILERA/PIAGGIO 125-180cc 2
-Stroke AC/LC,
stroke 52,0mm, conrod 105,0mm,
pin 16mm,
90mm crank web

These full circle crankshafts produced by the people at MALOSSI will take you to the heights of RPM heaven! A Higher Primary Compression (HPC) means higher revs and a higher top speed. Push your limits!


The central element of every motor, the crankshaft, has had high demands placed upon it by the MALOSSI technicians. To satisfy these demands all crankshafts constructed by MALOSSI have forged crank webs. As a consequence even the standard replacement version profits from high end elements, from the MALOSSI RHQ range, not normally seen on original specification items. This makes the RHQ and MHR crankshafts identical, save a few minor details. Both crankshaft types share the same stiffer, strengthened con-rods which have special alloy coatings for an ideal surface finish. The genuine high-end forged con-rods can be found included in the MALOSSI MHR Team Version crankshaft assembly. These forged items are harder, thinner and as a result lighter than cast types.


RHQ crankshafts are often used as a direct replacement for the original items, but also with mid-race cylinders and even MALOSSI MHR or Replica cylinders, according to model and compatibility. Their suitability can be checked in the product specification of every individual cylinder and the bore x stroke measurements compared. We recommend you also check the gudgeon pin dimensions as these too can differ.


The 'Team' crankshafts have been designed to be compatible with the rest of the MALOSSI Team range of components. Here also we highly recommend that you check and compare the compatibility of each component for an ideal motor set up. For added stability the inner ends of both sides of the shaft itself are also thicker. Certain peripheral components (e.g. for the variomatic) are included in the delivery.


All MALOSSI crankshafts are balanced, full circle HPC (High Primary Compression) items. The forged crank webs are manufactured using special nickel chromium molybdenum (18NiCmMo5). This alloy creates a harder surface area and also prevents oxidisation and corrosion. These improvements also have the effect of making the crank tougher and more enduring.


These are just some of the small but decisive details that make the MALOSSI crankshaft systems slightly more expensive but also a lot more robust and reliable, in all situations.


Racing Crankshaft MALOSSI RHQ/MHR RHQ

  • High Primary Compression full circle crank web crankshaft
  • Produced using 18 Ni Cr Mo 5
  • Forged monolithic rotary mass
  • Manufactured using state of the art high precision machinery and processes
  • All components of this crankshaft are multiply tempered (5 times) for high stiffness
  • Excellent surface finishing for increased durability and reliability
  • Dynamic balancing allowing motor speeds of up to 16,000 rpm
  • Copper plated 18 Ni Cr Mo 5 con rod including a high precision big end bearing
  • Suitable for higher motor rpm

SIP-TIP: Do not forget to order new bearings and oil seals to properly complete this upgrade. A suitable small end bearing is also included with this crankshaft kit. We also recommend the simultaneous replacement of the piston rings and the cylinder head gasket for full effect!

OEM Numbers (for the purpose of comparison)  53 8906 (MALOSSI)

Customers also searched for this article with:  crankcase, cranckshaft

icon explos Spare Parts Catalogue
This article can be found in the following exploded drawings ... go Go to Exploded Drawings!
R10010000 $2.55
RRP014 $73.86
49845100 $38.40
43458200 $9.06
14101000 $16.64
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Engine PIAGGIO 125- 180ccm 2T AC/LC - Crankshaft & Enginecase

This item is in stock in sufficient quantity.

2,550g / piece
Stock on hand  

Unfortunately we are not authorized to deliver MALOSSI parts to your country. We recommend you to take the suggested alternative.

Product forums
Spare Parts
icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
APRILIA SR 150 2T AC `99-
APRILIA SR 125 2T AC `99-
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
GILERA Runner FX DD 125 ZAPM07 2T LC ´99-´03
GILERA Runner FX DT 125 ZAPM07 2T LC `97-`99
GILERA Runner FXR DD 180 ZAPM08 2T LC ´99-´03
GILERA Runner FXR DT 180 ZAPM0800 2T LC `97-`99
GILERA TPH-X/ -XR 125 2T AC `99-`00
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
ITALJET Dragster 125 2T LC -
ITALJET Dragster 180 2T LC -
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
PIAGGIO Hexagon 125 EXS1T 2T LC `94-`97
PIAGGIO Hexagon 150 EXV1T 2T LC `94-`97
PIAGGIO Hexagon LX 125 ZAPM05 2T LC `98-`99
PIAGGIO Hexagon LXT 180 ZAPM06 2T LC `98-`99
PIAGGIO Skipper / SKR 150 2T AC `94-`97
PIAGGIO Skipper / SKR 125 ZAPM/CSM 2T AC `94-`97
PIAGGIO Skipper LX 125 2T AC `98-`99
PIAGGIO Skipper LXT 150 2T AC `98-`99

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