Product Introduction of CPO‑N 28mm Carburetor

The CPO‑N 28mm is a high-performance plunger-type modified carburetor developed by CPO P-RACING. With stable fuel supply, strong compatibility and high durability, it has become the preferred modification part for motorcycle engines with a displacement of 110cc‑180cc. It is widely suitable for off‑road motorcycles, scooters, street bikes, ATVs and other models, balancing daily riding and light off‑road modification needs, and helping the engine deliver power smoothly.

I. Core Parameters

• Brand & Model: CPO‑N 28mm

• Intake Diameter: 28mm

• Product Type: Plunger‑type carburetor

• Body Material: High‑strength aluminum alloy, precision die‑cast, with special wear‑resistant and anti‑corrosive surface treatment

• Applicable Displacement: 110cc‑180cc single‑cylinder engines, universal for 2‑stroke and 4‑stroke engines

• Standard Configuration: Equipped with standard main jet, idle jet and special sealing parts

• Adjustment Function: Manual choke, adjustable needle, stable and controllable float chamber oil level

• Production Standard: Manufactured under strict specifications, stable quality, suitable for various riding conditions

II. Key Product Features

1. Precise Fuel Supply & Smooth Power
Optimized internal fuel and intake passages ensure excellent fuel atomization, accurately matching fuel demand at different engine speeds. It provides stable idling without stalling, quick start response, and linear acceleration, effectively avoiding power hesitation, fuel flooding and excessive fuel consumption.

2. Premium Material & Durable Construction
Made of high‑strength aluminum alloy for lightweight yet excellent corrosion and deformation resistance, suitable for harsh conditions such as outdoor off‑roading and complex road conditions. High‑quality oil‑resistant and heat‑resistant seals prevent aging and leakage, greatly extending service life.

3. Easy Adjustment & Strong Adaptability
Multi‑position adjustable needle and easily replaceable jets allow flexible tuning according to engine modifications and riding environments. It perfectly fits original equipment upgrades and small‑scale big‑bore modifications, and is easy for beginners to adjust.

4. Universal Compatibility & Simple Installation
Standardized interface design ensures perfect matching with mainstream models from Honda, Yamaha, Suzuki, Kawasaki and other brands. It can be directly replaced without major body modification, reducing difficulty and cost.

5. High Cost‑Performance & Excellent Performance
Performance comparable to top‑tier carburetors in power delivery, stability and durability, with a more affordable price. An ideal cost‑effective choice for small and medium‑displacement motorcycle upgrades.

III. Typical Compatible Models

• Off‑road motorcycles: Mainstream 110cc‑150cc off‑road models

• Scooters: 110cc‑180cc models including Jogi, Fuxi, Cygnus, BWS, etc.

• Street bikes: Standard 125cc‑180cc street and commuter motorcycles

• ATVs: 110cc‑180cc ATV/UTV vehicles

• General modification: Replacement and power upgrade for 110cc‑180cc single‑cylinder 2/4‑stroke engines

IV. Specifications & Package List

• Product Size: Approx. 100×70×90mm

• Net Weight: Approx. 0.5kg

• Standard Package: CPO‑N 28mm carburetor body, manual choke assembly, fuel hose, sealing gaskets, main jet, idle jet

V. Application Scenarios

• OEM power upgrade: Solve insufficient fuel supply, weak power and sluggish acceleration of original carburetors

• Vehicle light modification: Suitable for 125cc‑180cc engine big‑bore and high‑compression ratio upgrades

• Vintage bike refurbishment: Replace aged or faulty original carburetors to restore optimal engine performance

• Daily commuting & light off‑roading: Balance fuel economy and power output for multi‑scenario riding