Shin Yea

Shin Yea Performance Intake Manifold - 4 Valve Cygnus

SKU 169-588
$109.00
Shipping calculated at checkout.
Description

Shin Yea performance intake manifold for GY6-based engines with Cygnus-style 4-valve cylinder heads (QMJ/QMI 152/157). . Compatible with both fuel injection and carbureted setups. Includes head gasket. 

Important: This manifold will NOT fit standard GY6 heads — it is designed exclusively for Cygnus-style 4-valve heads. An intake spacer may still be required on most builds — see related items for the correct spacer.

Off-road use only: This product is not intended for use on public roads or land.

Key Features:

  • Shin Yea die-cast aluminum angled intake manifold for Cygnus-style 4V GY6 heads — carb and FI compatible
  • Red silicone carb-side boot/seal with two stainless hose clamps | two-hole engine-side mounting flange
  • Vacuum port with black block-off plug and brass fitting included (for carbureted use)
  • 35mm carb-side bore | 32mm engine-side bore | 50mm bolt hole spacing | 1 vacuum point
  • Fits CVK carbs 24mm–30mm and PWK carbs up to 30mm
  • Kit includes: manifold, head gasket, vacuum block-off plug/fitting

Specifications:

  • Brand: Shin Yea
  • SKU: 169-588 | MPN: MA-012-74-A
  • Bolt hole spacing: 50mm
  • Carb-side bore (ID): 35mm
  • Engine-side bore (ID): 32mm
  • Vacuum points: 1
  • Carb compatibility: CVK 24–30mm, PWK up to 30mm
  • Engine application: GY6 QMJ/QMI 152/157 with Cygnus-style 4V head
  • Includes: head gasket, vacuum block-off plug with brass fitting
  • Made in: Taiwan


Product Diagrams
Features
  • Shin Yea die-cast aluminum angled intake manifold for Cygnus-style 4V GY6 heads (SKU: 169-588) — carb and FI compatible
  • Red silicone carb-side boot/seal with two stainless hose clamps | two-hole engine-side mounting flange
  • Vacuum port with black block-off plug and brass fitting included | 35mm carb-side bore | 32mm engine-side bore
  • Fits CVK carbs 24–30mm and PWK carbs up to 30mm | 50mm bolt hole spacing | 1 vacuum point
  • Does NOT fit standard GY6 heads — Cygnus-style 4V head only | off-road use only | includes head gasket
Specifications

Brand: Shin Yea | SKU: 169-588 | MPN: MA-012-74-A | Bolt spacing: 50mm | Carb-side bore: 35mm | Engine-side bore: 32mm | Vacuum points: 1 | Carb: CVK 24-30mm / PWK up to 30mm | Engine: GY6 QMJ/QMI 152/157 4V Cygnus head | Includes: gasket + vacuum block-off

Model Fitments

GY6 QMJ152 / QMJ157 / QMI152 / QMI157 with Cygnus-style 4V head | CVK 24-30mm and PWK up to 30mm carbs | FI compatible | Does NOT fit standard GY6 heads | Off-road only | SKU: 169-588

  • 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.
Since 1989

Supplying parts and accessories for vintage and modern scooters since 1989 – Over Half a Million Served and Counting!

Comprehensive Resource

From wear-and-tear items like tires and oil filters to aftermarket parts from industry-leading brands.

Dealer Focused

With a committed team of dealer-focused sales reps and streamlined pricing and shipping processes, we are dedicated to supporting your business.

Innovative

Our team constantly strives to develop and source the best new products for your scooter.