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Polini Z26 Sixth Gear Primary Shaft Ø20 for AM6 Engines 202.1434
  • Polini Z26 Sixth Gear Primary Shaft Ø20 for AM6 Engines 202.1434
  • Polini Z26 Sixth Gear Primary Shaft Ø20 for AM6 Engines 202.1434

Polini Z26 Sixth Gear Primary Shaft Ø20 for AM6 Engines 202.1434

202.1434

Polini Z26 long-ratio sixth gear for Minarelli AM6 engines. Ø20 mm version for Series 2 (V2) transmissions. Ideal for road, sport and racing builds.

€46.36
€37.09 Save 20%
Tax included
Quantity
In Stock

Description

The Polini primary shaft sixth gear part number 202.1434 introduces a long-ratio Z26 sixth gear for Minarelli AM6 engines, providing a taller final ratio compared to the standard Z25 configuration.

Developed by Polini's Research & Development department, this gear allows high-performance engines to make better use of their power by lowering engine RPM at higher speeds while improving top-end performance in sixth gear.

It is the ideal upgrade for road, sport and racing engine builds where a taller sixth gear improves cruising comfort and overall transmission efficiency.

Manufactured from high-strength alloy steel, it provides excellent durability, precise gear engagement and outstanding reliability even under demanding riding conditions.

Compatibility:

  • Minarelli AM6 engines
  • Series 2 (V2) transmissions with hollow output shaft
  • Ø20 mm gear bore

Technical specifications:

  • Polini part number: 202.1434
  • Long-ratio sixth gear
  • Teeth: Z26
  • Bore diameter: Ø20 mm
  • Primary shaft gear
  • High-strength alloy steel
  • Precision machined
  • Genuine Polini product
  • Made in Italy

Main features:

  • Taller ratio than the standard Z25 gear
  • Reduces engine RPM at high speed
  • Improves top-end performance
  • Smooth and precise gear engagement
  • Ideal for tuned and racing engines
  • Excellent wear resistance
  • Premium Polini quality

⚠️ Important

AM6 transmissions are available in two different, non-interchangeable versions:

  • Series 1 (V1): solid output shaft with M6 thread → compatible with Ø18 mm gears.
  • Series 2 (V2): hollow output shaft with M8 thread → compatible with Ø20 mm gears (this product).

Before purchasing, always verify which transmission version is fitted to your motorcycle by comparing it with the original output shaft.

Product Details
202.1434

Data sheet

Application
Moto
Compatible with
Minarelli
Engine type
2 stroke
Displacement
50 cc
Model
AM6
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