• Malossi 538906 RHQ Crankshaft Pin Ø 16 mm Stroke 52 mm for Piaggio Gilera
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Malossi 538906 RHQ Crankshaft Pin Ø 16 mm Stroke 52 mm for Piaggio Gilera

Malossi 538906 RHQ Crankshaft Pin Ø 16 mm Stroke 52 mm for Piaggio Gilera

€587,35 EUR
€587,35 EUR
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The Malossi RHQ Crankshaft is engineered to maximize performance and reliability in high-revving two-stroke engines. Manufactured using high-precision machine tools from premium 18 Ni Cr Mo5 alloy, it features monolithic forged masses and undergoes 5 distinct heat treatment stages to guarantee extreme mechanical resistance.

Equipped with a coppered forged connecting rod and dynamically balanced for rotational speeds up to 16,000 rpm, this competition crankshaft delivers smooth operation under the demanding conditions of scooter racing.

Key Features

Brand Malossi
Product Type Crankshaft
Model / Series RHQ
Part Number 538906
Gudgeon Pin Diameter 16 mm
Stroke 52 mm
Material 18 Ni Cr Mo5
Dynamic Balancing Up to 16,000 rpm
Heat Treatments 5 operations
Connecting Rod Coppered forged 18 Ni Cr Mo5
Connecting Rod Length 105 mm
Product Weight 2.1 kg

Highlights

  • Engineered from forged 18 Ni Cr Mo5 steel with monolithic rotating masses
  • Dynamically balanced for high-stress operation up to 16,000 rpm
  • Subjected to 5 precision heat treatment processes for maximum fatigue resistance
  • Equipped with a coppered connecting rod and precision high-speed roller bearing

Sizing & fit

Designed for 125cc to 180cc 2-stroke engines across Aprilia, Gilera, Italjet, and Piaggio platforms requiring a Ø 16 mm piston pin and 52 mm stroke.

Compatibility

Manufacturer Model
APRILIA APRILIA SR 125 2T
APRILIA APRILIA SR 150 2T
GILERA GILERA RUNNER FX 125 2T LC
GILERA GILERA RUNNER FXR - SP 180 2T LC
GILERA GILERA TYPHOON X 125 2T
GILERA GILERA TYPHOON 125 2T
ITALJET ITALJET DRAGSTER 125 2T LC
ITALJET ITALJET DRAGSTER 180 2T LC
PIAGGIO PIAGGIO HEXAGON LX 125 2T LC
PIAGGIO PIAGGIO HEXAGON LXT 180 2T LC
PIAGGIO PIAGGIO HEXAGON 125 2T LC
PIAGGIO PIAGGIO HEXAGON 150 2T LC
PIAGGIO PIAGGIO SKIPPER 125 2T
PIAGGIO PIAGGIO SKIPPER 150 2T
PIAGGIO PIAGGIO SKIPPER LX 125 2T
PIAGGIO PIAGGIO SKIPPER LXT 150 2T

Downloads

Frequently asked questions

What maximum engine speed is this crankshaft balanced for?

The Malossi RHQ crankshaft features dynamic balancing certified for speeds of up to 16,000 rpm.

What material is used in the construction of the half-shafts and connecting rod?

Both the monolithic rotating half-shafts and the coppered connecting rod are made from forged 18 Ni Cr Mo5 steel.

What are the pin diameter and stroke specifications?

This crankshaft features a 16 mm piston pin diameter and a 52 mm stroke.

Which scooter models are compatible with this crankshaft?

It is compatible with 125cc to 180cc 2-stroke models including Aprilia SR, Gilera Runner FX/FXR, Gilera Typhoon, Italjet Dragster, and Piaggio Hexagon and Skipper.

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