Shin Yea Cygnus Style Intake Manifold
Shin Yea Cygnus Style Intake Manifold
$125.05
7 in stock
*Note: Free shipping to U.S. mainland (excludes AK, HI, and territories)
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Product Details
Description
Shin Yea Cygnus Intake Manifold | 50mm GY6 4V is a replacement intake manifold assembly for compatible 139QMB scooter engines.
Key Details
- 169-588
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: GY6
- Engine Code: 139QMB
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Is this for GY6 scooters?
A: This SKU is listed with GY6 engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 1.2 lbs |
|---|---|
| Dimensions | 7 × 5 × 3 in |
| Condition | New |
|---|
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.Â
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
- 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
