Naraku

Naraku 24mm Carburetor - GY6 150cc & Big-Bore 139QMB 85cc+

SKU 137-67
$98.00
Shipping calculated at checkout.
Description

Naraku 24mm carburetor for GY6 150cc engines and QMB139 engines with 85cc or larger cylinders. The larger 24mm bore improves airflow for big-bore builds. Includes electric choke. No accelerator pump.

Note: On QMB139 engines, a 24mm intake manifold is required — see related items.

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

  • 24mm bore — suitable for GY6 150cc or QMB139 85cc+ big-bore builds
  • Electric choke
  • No accelerator pump
  • QMB139 requires 24mm intake manifold (sold separately)

Specifications

Bore 24mm
Intake Connection 32mm
Air Filter Connection 42mm
Main Jet #102 (M5x0.8 thread)
Idle Jet #35 (M6x0.75 thread)
Choke Electric
Accelerator Pump None
Brand Naraku

Fitment

Fits GY6 150cc engines and QMB139 engines with 85cc or larger cylinders. Universal fit for most Chinese-made 50cc–150cc scooters with compatible intake manifold.

Product Diagrams
Features
  • 24mm Bore — Suitable for GY6 150cc or QMB139 85cc+ Big-Bore Builds
  • Electric Choke
  • No Accelerator Pump
  • #102 Main Jet (M5x0.8) / #35 Idle Jet (M6x0.75)
  • QMB139 Requires 24mm Intake Manifold (Sold Separately)
Specifications

Bore: 24mm | Intake: 32mm | Air Filter: 42mm | Main Jet: #102 M5x0.8 | Idle Jet: #35 M6x0.75 | Choke: Electric | Accel Pump: None | Brand: Naraku | SKU: 137-67

Model Fitments

GY6 150cc engines; QMB139 engines with 85cc or larger cylinders. QMB139 requires 24mm intake manifold.

  • 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.