Universal Parts 50cc 2-stroke Minarelli Reed Valve Gasket

Reliable Intake Seal: Minarelli-Style Reed Valve Gasket

Ensure peak engine performance and prevent power-robbing vacuum leaks with this Universal Parts Reed Valve Gasket. Specifically designed for 50cc 2-stroke Minarelli (1PE40QMB) style engines, this precision-cut gasket provides a critical airtight seal between the engine case and the reed valve block. A fresh gasket is essential every time the intake is serviced to maintain the correct air-fuel ratio and ensure crisp throttle response.

Technical Performance Features

• Engine-Specific Fit: Engineered for the "Jog" style 1PE40QMB horizontal 2-stroke engine, a standard across countless European and Chinese scooter brands.
• Durable Gasket Material: Manufactured from high-compression gasket paper designed to resist fuel, oil, and thermal expansion for a long-lasting seal.
• Precision Dimensions: Features a 38x38mm center opening with exact bolt-hole alignment to prevent "pinching" or restricted airflow during installation.

Comprehensive Fitment Guide

This reed valve gasket is a standard fit for 50cc 2-Stroke horizontal engines, including:

Technical Specifications

• Application: Reed Valve / Intake Base
• Center Opening: 38mm x 38mm
• Engine Type: 50cc 2-Stroke (Horizontal)
• Vendor: Universal Parts

Mechanic's Note: Reed gaskets are "one-time use" items.

Diagnostic Tip: If your scooter is difficult to idle or running "lean," a leaking reed gasket is a common culprit.

Installation Hack: Always clean the mating surfaces of the engine case and reed block thoroughly with a plastic scraper before installing.

Pro Tip: Most setups require two gaskets—one for the case-to-reed block and one for the reed block-to-intake manifold!

SKU: 151-140
Vendor: Universal Parts

• Fits 1PE40QMB / 40QMB horizontal 2-stroke engines
• 38mm x 38mm precision-cut center opening
• 4-bolt pattern for leak-free fit
• Fiber gasket paper resists fuel, oil, and heat
• Single-use — replace at every reed valve service

Application: Reed valve / intake base | Center Opening: 38x38mm | Bolt Pattern: 4-hole | Engine: 50cc 2-stroke horizontal Minarelli/1PE40QMB | Material: Fiber gasket paper

50cc 2-stroke horizontal (Minarelli/Jog-style) engines: Yamaha Jog/Zuma 50, Kymco, Peugeot, Eton, SYM, Adly, Piaggio, Keeway, CPI, and 1PE40QMB/40QMB Chinese 2-stroke clones. Most assemblies need 2 gaskets.