Intake Manifold

TWH intake manifolds are available in multiple inner diameters, allowing riders to match their carburetor or throttle body size for optimal airflow and performance. Each manifold is designed for precise fitment and consistent reliability on compatible scooter models.

BWS100/ZUMA100 Plating Manifold

BWS100/ZUMA100 Plating Manifold

Enlarged bore. Smoother intake. Upgraded craftsmanship.

This Plating Manifold for Yamaha BWS 100 features a 28 mm inner bore with a big 4-valve design, offering a significant improvement in intake efficiency compared to the OEM manifold. The electroplated surface enhances durability and resists corrosion, while precision machining ensures reliable sealing and a clean airflow path. Ideal for riders seeking a stronger intake foundation for tuning or performance builds.

Highlights

  • Ø28 mm Bore — Enlarged diameter for higher airflow capacity.

  • Big 4-Valve Layout — Supports smoother intake distribution.

  • Plated Surface — Corrosion-resistant finish with improved durability.

  • Precision Machining — Ensures tight sealing with carburetor and cylinder head.

  • Performance Upgrade — Provides a stronger base for tuning beyond OEM limitations.

Product Specifications
Type: Plating Manifold (Electroplated intake manifold)
Inner Bore: Ø28 mm
Design: Big 4-valve style
Fitment: Yamaha BWS 100
Package Includes: Plating Manifold ×1

Installation Notes

  • Confirm carburetor size (Ø28 mm) compatibility before installation.

  • Inspect manifold gaskets and replace if worn.

  • Ensure proper torque on flange bolts to prevent air leaks.

  • After installation, adjust jetting or FI mapping as needed to match increased airflow.

Power You Can Trust.