Carburador FCR
Vista rápida Carburador FCR36 S/. 1,830.00 PEN /-
Vista rápida Carburador FCR39 S/. 1,968.00 PEN / -
Vista rápida Carburador FCR42 S/. 2,107.00 PEN / 
Vista rápida FCR Throttle Assembly Kit S/. 166.00 PEN /
FCR Carburetor Features
Flat Slide Design
The flat slide design allows a larger diameter throttle bore, which increases the airflow into the engine.
The improved airflow helps to increase engine performance and throttle response.
Better Fuel Atomization
The flat slide design more smoothly through the carburetor bore, creating a more consistent airflow that helps mix fuel and air evenly, providing better fuel atomization.
Faster Throttle Response
The flat slide design provides a faster throttle response than the normal round slide carburetor.
This is because the flat slide moves more freely in the carburetor bore, allowing for a more immediate response to changes in throttle position.
Better Control
The flat slide design precise control of throttle plate position, which helps optimize fuel delivery at different engine speeds and loads.
Accelerator Pump
Featured with an accelerator pump, it provides an extra shot of fuel when the throttle is opened quickly.
It helps to prevent hesitation and bogging and provides improved throttle response.
Multiple Adjustable Features
Air, fuel mixture, and idle speed, all have a range of adjustable features.
It allows for fine tuning of fuel delivery to optimize engine performance.
High-strength Materials
Constructed of aluminum and stainless steel high-strength materials, there is also an anti-oxidation layer.
It provides excellent durability under high pressure conditions.
Easy Maintenance
The modular design allows for easy disassembly and maintenance.
This is especially important in racing applications where quick repairs and adjustments are often required.
Frequently Asked Questions
Find answers to common queries regarding product, installation, services, and more.
What is the NIBBI FCR carburetor designed for?
The FCR Series is a high-performance flat-slide carburetor designed for demanding 4-stroke off-road, motocross and ATV applications. It is best suited to riders who need fast throttle response, broad adjustability and a more advanced tuning platform.
What is the difference between FCR and PE or PWK carburetors?
PE offers a simpler round-slide upgrade, while PWK emphasizes performance airflow in a more compact off-road format. FCR adds a flat slide, accelerator pump and additional performance features for advanced 4-stroke applications. FCR generally requires more careful installation and tuning.
How do I choose between FCR36, FCR39 and FCR42?
Use the engine manufacturer's requirements, current carburetor size and the engine's actual airflow needs. Engine displacement is only a guide; cylinder head, camshaft, intake, exhaust and riding use all affect the correct size. When unsure, choose only after a fitment review by NIBBI support or a qualified tuner.
What does the accelerator pump do?
The accelerator pump delivers an extra shot of fuel when the throttle is opened quickly. When correctly adjusted, it helps reduce hesitation or a flat spot during rapid acceleration. Incorrect pump timing or fuel delivery can also create rich or lean symptoms, so it should be tuned with the rest of the carburetor.
Is an FCR carburetor a direct bolt-on replacement?
Not always. Confirm the intake spigot, air-filter connection, overall clearance, throttle-cable routing, fuel supply and any required adapters. Some motorcycles may need a different manifold, cable set, throttle assembly or velocity stack.
Do I need a special throttle cable or throttle assembly for FCR?
FCR uses a dedicated cable and linkage arrangement on many applications. Compare the exact cable routing, end fittings and required pull configuration with your motorcycle. Use the matching FCR throttle assembly kit when the original components are not compatible.
Does an FCR carburetor need tuning after installation?
Yes. Idle mixture, pilot circuit, needle position, main jet and accelerator-pump operation may all need adjustment for the engine and environment. Before changing jets, check for intake leaks, correct fuel level, clean fuel flow and proper throttle operation.
