Polini Team 4 performance exhaust for horizontal Minarelli 2-stroke — full system side view Polini Team 4 performance exhaust for horizontal Minarelli 2-stroke — full system side view
Polini Team 4 exhaust — expansion chamber and black anodized canister detail Polini Team 4 exhaust — expansion chamber and black anodized canister detail
Polini Team 4 exhaust — head pipe showing 48mm bolt spacing Polini Team 4 exhaust — head pipe showing 48mm bolt spacing
Polini Team 4 exhaust complete hardware kit — mounting bracket, gasket, springs, and hardware Polini Team 4 exhaust complete hardware kit — mounting bracket, gasket, springs, and hardware
Polini Team 4 performance exhaust for horizontal Minarelli 2-stroke — full system side view
Polini Team 4 exhaust — expansion chamber and black anodized canister detail
Polini Team 4 exhaust — head pipe showing 48mm bolt spacing
Polini Team 4 exhaust complete hardware kit — mounting bracket, gasket, springs, and hardware

Polini

Polini Team 4 Exhaust | Horizontal Minarelli Zuma 50 '02-'11

SKU 146-52
$375.00
Shipping calculated at checkout.
Description

Polini Team 4 performance exhaust for air-cooled and liquid-cooled horizontal Minarelli 2-stroke scooters. Expansion chamber design works best with 50–70cc performance cylinders, tuned for 8,000–11,000 RPM. Designed to conform to European road standards — removing the manifold restrictor delivers a significant performance improvement. Made in Italy.

Off-road use only. Not intended for use on public roads or land. Performance upgrades are considered racing parts and are not covered by warranty.

Key Features

  • Performance expansion chamber design
  • Tuned range: 8,000–11,000 RPM
  • Optimized for 50–70cc performance cylinders
  • Removable manifold restrictor for increased power
  • Fits air-cooled and liquid-cooled horizontal Minarelli engines
  • Includes mounting bracket, hardware, and exhaust gasket
  • Made in Italy by Polini

Specifications

Head Pipe Bolt Spacing 48mm
Head Pipe ID (restrictor removed) 25mm
Tuned RPM Range 8,000–11,000 RPM
Engine Horizontal Minarelli (air-cooled and liquid-cooled)
Includes Mounting bracket, hardware kit, exhaust gasket
Brand Polini
Origin Made in Italy

Fitment

Aprilia Scarabeo 50 (49cc) ‘93–’06, SR50 (50cc) ’97–’01, Rally 50 (49cc) ’03–’04
Benelli Pepe 50
Italjet Dragster 50
Malaguti Ciak 50 (49cc) ’02–’05, F10 Jet, F12 Phantom (49cc) ’02–’05, F15 Firefox (49cc) ’02–’05
Yamaha Zuma 50 2T ’02–’11, Jog 50R, Vino 50

 
Product Diagrams
Features
  • Performance Expansion Chamber Design
  • Tuned Range: 8,000–11,000 RPM
  • Optimized for 50–70cc Performance Cylinders
  • Removable Manifold Restrictor for Increased Power
  • Fits Air-Cooled and Liquid-Cooled Horizontal Minarelli Engines
  • Includes Mounting Bracket, Hardware, and Exhaust Gasket
  • Made in Italy by Polini
Specifications

Head Pipe Bolt Spacing: 48mm | Head Pipe ID (restrictor removed): 25mm | Tuned RPM: 8,000-11,000 | Engine: Horizontal Minarelli (air/liquid cooled) | Includes: bracket, hardware, gasket | Brand: Polini | Origin: Italy | SKU: 146-52
Model Fitments

Aprilia Scarabeo 50 '93-'06, SR50 '97-'01, Rally 50 '03-'04; Benelli Pepe 50; Italjet Dragster 50; Malaguti Ciak 50 '02-'05, F10 Jet, F12 Phantom '02-'05, F15 Firefox '02-'05; Yamaha Zuma 50 2T '02-'11, Jog 50R, Vino 50
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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