Keyster FS-5598NS Carburetor Fuel Kit – Fits Suzuki GSX400X Impulse GK71E (LH or RH Side)

Restore your Suzuki GSX400X Impulse (GK71E) to peak performance with the Keyster FS-5598NS Carburetor Fuel Condition Kit, designed for AISAN 2-barrel carburetors. Whether you're tuning or fully rebuilding your carburetor, this Japanese-made overhaul kit provides all the essential parts to bring back throttle response, fuel efficiency, and smooth idling. 🔩 Exact Fit for:

Motorcycle: Suzuki GSX400X Impulse

Frame Code: GK71E

Carburetor Type: AISAN 2-barrel (Left-hand or Right-hand side)

👉 Note: This kit is for one side only (LH or RH). To rebuild both carbs, purchase both FS-5598NS and FS-5598NU. 🛠 Complete Overhaul Kit Includes:

Float Chamber Gasket

Main Jets (2 per size): #89 / #91 / #94 / #97 / #101 / #106

Pilot Jets (2 per size): #33 / #34 / #37

Jet Needles (4 sizes, 2 each – 5C15 / Y694-S)

Needle Jets x2

Needle Valve (#2.5)

Pilot Screws x2

Starter Plunger

E-Clips x8

Springs (for screws and components)

Drain Screw

O-Rings x2 ✅ Perfect For:

GSX400X Impulse carburetor restoration

Classic JDM motorcycle tuning

Precision fuel delivery adjustments

Motorcycle enthusiasts and vintage rebuilds 🔧 Why Choose Keyster FS-5598NS?

Precision-manufactured in Japan

OEM-level components for long-lasting performance

Comprehensive jetting options for fine-tuning fuel delivery

Designed for AISAN carburetors used on the GK71E platform

Note: If there may be an instruction manual included, it will be written in Japanese.