Fuel Return Restrictor Valve
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The fuel return restrictor valve is a technical racing component, designed for accurate control of the fuel level in the carburettor float bowl.
Installed on the return line, it allows the flow of fuel draining back to the tank to be modulated, enabling fine adjustment of the pressure and volume of fuel available in the carburettor circuit.
Technical features:
- Main function: varying the level in the carburettor float bowl to optimise carburation.
- Material: high-strength anodised aluminium body, with rear nut for secure mounting.
- Adjustment: available in a progressive version or with preset clicks ("click-stop") to ensure repeatable and precise adjustment.
- Installation: direct connection to the fuel return line; mounting on the steering wheel is recommended for immediate access while driving.
Operating advantages:
Precise calibration of the carburation without changing jets or other carburettor components.
- Dynamic adaptability: allows real-time adjustments according to temperature, humidity and track conditions.
- Fewer set-up errors: provides immediate visual and mechanical control of the fuel return.
- Performance optimisation: improves engine response, delivery and mixture consistency in race conditions.
Summary:
The fuel return restrictor valve is an indispensable device for teams and drivers who demand maximum precision in managing carburation. Correct installation and adjustment make it possible to get the most out of the engine's potential, ensuring efficiency, stability and consistent performance in racing.
- Brand: Righetti Ridolfi
- Code: KM886N
Price includes VAT.
Shipping & returns
Shipping & returns
Tracked shipping across Europe. Orders ship within 24 hours (working days): delivery in 24/48 hours in Italy, 5/7 working days abroad. Returns accepted within 14 days of delivery for unused items in their original packaging (tyres must be unmounted and unused).
Need advice?
Need advice?
Not sure this part fits your engine or chassis? Ask us before ordering: we race karts too. For engine overhauls, tuning and chassis work visit our workshop page.
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