NIBBI PE24 Carburetor Kit 24mm - Upgrade for 140cc-150cc Dirt Bikes

In this review the NIBBI PE24 Carburetor Kit is evaluated for riders looking to upgrade small-displacement dirt bikes and pit bikes; it is especially useful for 140cc-150cc engines and common swaps from PZ26/PZ27 units. The single biggest reason to buy is its combination of adjustability and durable finish: the anodized, coated body resists wear and corrosion while offering tuning control over main jet, pilot jet, needle position and air screw so owners can dial in performance. The kit also includes a 45mm foam air filter for a ready-to-install package.

Key Features

• 24mm Bore: The engine-side inner diameter is 24mm, matching many 140cc-150cc small engines for improved throttle response.
• Direct Upgrade Path: Designed as an upgrade option for PZ26/PZ27 carburetors, making swaps straightforward for common small-bike setups.
• Adjustable Tuning: Main jet, pilot jet, needle position and air screw are all adjustable so fuel delivery can be customized to the engine and conditions.
• Durable Finish: Anodized and coated surface provides wear resistance and corrosion protection for use in off-road environments.
• Included Air Filter: The kit ships with a 45mm foam air filter so basic installation can be completed without sourcing extra parts.
• Universal Compatibility: Works with a wide range of small machines including dirt bikes, ATVs, go-karts and popular makes like SSR, TaoTao and Apollo.

Who It's For

The NIBBI PE24 is aimed at hobbyists and small-shop mechanics upgrading carburetors on 140cc-150cc dirt bikes, pit bikes and equivalent small engines who want a tunable unit with improved materials over stock PZ-series carbs. Riders swapping to a 24mm intake or restoring a Lifan, Kayo, SSR or TaoTao-based machine will appreciate the included filter and compatibility notes.

It is not ideal for those who cannot confirm flange hole spacing or inlet size, since the flange hole distance of 48mm and 24mm inner diameter must match the engine. Riders seeking a fully plug-and-play electronic fuel injection solution should look elsewhere.

Pros & Cons

Pros

• Solid construction with anodized coating for corrosion and wear resistance.
• Good tuning flexibility via main jet, pilot jet, needle and air screw adjustments.
• Includes a 45mm foam air filter for basic installation and protection.
• Compatible with many small engines and a practical upgrade from common PZ carbs.

Cons

• Requires verification of the 48mm flange hole distance and 24mm inlet before purchase to ensure fit.
• Some users report mixed experiences with ease of adjustment, so initial tuning may take time.

Specifications

Carburetor Model	NIBBI PE24
Bore / Inner Diameter	24mm
Flange Hole Distance	48mm
Included Filter	45mm foam air filter
Compatibility	Dirt bike, ATV, Go-kart, SSR, TaoTao, Xpro, TTR, Apollo, etc.
Upgrade From	PZ26 / PZ27 carburetors

Our Verdict

The NIBBI PE24 Carburetor Kit is a practical, value-oriented upgrade for owners of 140cc-150cc dirt bikes and similar small engines who want better materials and tuning control than basic PZ-series carbs. Its anodized coating, adjustable jets and included 45mm foam filter make it a sensible choice for riders willing to confirm fitment and spend a little time tuning for best results.

Frequently Asked Questions

Will this fit my 150cc pit bike?
Check that the engine-side inner diameter accepts a 24mm carb and that the carburetor flange hole spacing is 48mm; if those match, it should fit compatible 140cc-150cc setups.

Does the kit include a filter?
Yes, the kit includes a 45mm foam air filter to allow basic installation without sourcing an extra filter.

Can I tune fuel delivery?
Yes, the PE24 offers adjustability for the main jet, pilot jet, needle position and air screw so fuel and throttle response can be tailored.