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Crankshaft MALOSSI MHR Team

RHQ for 86cc MHR BIG BORE
for GILERA/PIAGGIO 50cc 2
-Stroke AC/LC,
stroke 44,0mm, conrod 85,0mm,
pin 13mm

Crankshaft casing must be machined out, turned bearing M6614105EA must be used!

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 MHR Team for 86cc Big Bore

This is a crankshaft assembly especially developed for exclusive use with the MALOSSI 86cc Big Bore cylinder kits. The centrepiece of this crankshaft unit, its 85mm forged con rod, catches your attention directly and underlines the very high quality standard of this high end component as a whole. The high tech forging process allows an improved stability and rigidity, but also a narrower and lighter overall design which means much less overall mass and greatly improved aerodynamic capabilities. The inner diameter of the small end, in contrast to earlier versions, has been increased by 1mm to 17mm which enables the use of a small end bearing suitable for either 12 or 13mm diameter gudgeon pins.

The webs of this crankshaft have been optimised to provide a higher primary compression and the crank pin has been upgraded to a two-piece item. The big end of this crankshaft has been redeveloped and to improve the lubrication of its bearing the spacers either side have also been redesigned. To increase overall durability and resistance to wear and tear caused by regular servicing, the threads both sides of the crankshaft and the variomatic seating area have been specially tempered and hardened.

  • 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
  • Forged 18 Ni Cr Mo 5 con rod including a high precision big end bearing
  • Suitable for higher motor rpm

CAUTION: The cylinder inlet on the crankcases must be machined out to a diameter of 76,5mm in order to accommodate this crankshaft assembly. An adapter for the exclusive use in combination with the MALOSSI Overrange variator unit (MINARELLI #M5112800 / PIAGGIO #5112800) is also included in the delivery.


OEM Numbers (for the purpose of comparison)  5313270 (MALOSSI)


Customers also searched for this article with:  crankcase, cranckshaft


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$410.47 ($410.47/Stck)
Art.No.
M5313270
1,700g / piece
Stock on hand  

Unfortunately we are not authorized to deliver MALOSSI parts to your country. We recommend you to take the suggested alternative.
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DERBI Atlantis 50 PIAGGIO 2T LC `02-
DERBI Atlantis 50 PIAGGIO 2T AC `02-
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divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
GILERA DNA 50 ZAPC27 2T LC `00-`08
GILERA Easy Moving 50 SSP2T 2T AC `95-`96
GILERA Easy Moving 50 SSP2T 2T AC `94-`95
GILERA Ice 50 2T AC `01-
GILERA Runner 50 PIAGGIO 2T LC `04-
GILERA Runner 50 2T LC `97-`99
GILERA Runner Cat 50 2T LC `01-
GILERA Runner DD 50 2T LC `98-`00
GILERA Runner SP 50 ZAPC46 2T LC `08/05-
GILERA Runner SP 50 ZAPC46 2T LC -`05
GILERA Stalker 50 2T AC `97-
GILERA Storm 50 2T AC `96-
GILERA Storm 50 2T AC `94-`95
GILERA TPH/ Typhoon 50 2T AC `94-`97
GILERA TPH-X/ -XR 50 2T AC `98-
  ITALJET
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
ITALJET Jet Set 50 2T AC `02-
ITALJET Torpedo New 50 PIAGGIO 2T AC -
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divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
PIAGGIO Diesis 50 2T AC `01-
PIAGGIO Fly 50 2T AC `05-
PIAGGIO Free 50 FCS2T 2T AC
PIAGGIO Liberty 50 2T AC `97-`02
PIAGGIO Liberty RST / Sport 50 C42 2T AC `04-`06
PIAGGIO NRG 50 2T LC `94-
PIAGGIO NRG MC2 50 2T LC `96-`97
PIAGGIO NRG MC2 50 2T AC `98-
PIAGGIO NRG MC2 DD 50 2T LC `98-
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PIAGGIO NRG MC2 Extreme 50 2T LC `99-
PIAGGIO NRG MC3 DD 50 2T LC `99-
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PIAGGIO NRG Power DD 50 PIAGGIO 2T LC `05-
PIAGGIO NRG Power DT 50 2T LC `05-
PIAGGIO NTT 50 2T LC `94-`96
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PIAGGIO Sfera NSL 50 2T AC
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PIAGGIO TPH/ Typhoon 50 2T AC `94-`97
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divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA ET2 50 ZAPC16000 2T AC `96-
VESPA ET2 Cat (euro 2) 50 ZAPC38100 2T AC `00-
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VESPA Sprint 50 ZAPC53201 2T AC `14-

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