These will fit pilot screws with a shaft of up to 3.0 mm as used in many Suzuki Honda Kawasaki Yamaha motorcycles. Plus the stainless steel springs.
Motorcycle Carburetor Air Mixture Screw 1 PCS – 28mm &42mm Adjustment Screws Compatible With | Brass Idle Mixture Screw Set For Carb Repair Tuning(CV40 CVK34 36)
Mikuni Keihin Uprated O Rings + Washers Carb Idle Pilot Mixture Fuel Air Screws
Yamaha Mikuni Carburetor fuel air mixture pilot screw set.
Carburetor Idle Mixture Screw Kit – Cv40 Cvk34 36 40mm Ratio Adjustment Screw, Brass Carb Tuning Tool with Spring Washer Set | Vehicle Carburetor Repair Solution for Motorcycle
10PCS Carburetor Slow Jet Pilot Jet Kit Replacement for Mikuni Carb VM28 /486 HS40 10‑32.5 Pilot Slow Jet