Overview
The HPI Racing Main Needle/Fuel Intake Set replaces the main (high-speed) needle and fuel intake on HPI Nitro Star S-25 and F series carburetors. It fits the Nitro Star F3.5 V2 engine and HPI's 7.5mm composite slide carbs, including #1463.
A bent needle or damaged fuel nipple makes tuning inconsistent. This set gets precise fuel metering back.
Key Features
- Genuine HPI Racing carburetor part
- Main needle and fuel intake in one set
- Fits Nitro Star S-25 / F series carburetors
- Fits 7.5mm composite slide carbs (incl. #1463)
Performance Benefits
- Precise high-speed fuel adjustment again
- Stops fuel leaks at the intake
- More consistent tuning from run to run
Usage Notes
- Note your current needle setting before removing the old needle
- Re-tune from a baseline setting after installation
- Check the needle o-ring and replace if worn (included in #1450 for S-25)
Technical Specs
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Brand: HPI Racing
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Item No.: 1472
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Type: Main needle / fuel intake set
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Engine: Nitro Star S-25, F series (incl. F3.5 V2)
What's Included
- (1) HPI Racing main needle and fuel intake set
Fitment
Compatible RC vehicles: HPI Nitro Star F3.5 V2 Engine, HPI Nitro Star F4.6 Engine, HPI Nitro Star S-25 Engine, HPI Savage X.
Summary
- Main needle and fuel intake set for HPI slide carbs
- Fits S-25 and F series engines
- Gets precise fuel tuning back
