Airbox adapter jetting kit Keihin FCR MX carburetor Suzuki DRZ 400 DR-Z400

Press-fit intake adapter / jetting kit for Keihin FCR MX carburetors.

If you purchased a Keihin FCR MX carburetor with fixed (non-removable) intake adapter and you want to mount  it to your DR-Z400 (S/M), this is the adapter kit you need. High quality adapter, CNC made to the highest specifications, offering a perfect fit. The adapter has a built-in velocity stack to optimize the airflow. These will stay on forever and are guaranteed to never leak.

You will get:

• press-fit intake adapter
• cylinderhead rubber
• OCEMN jet needle
• jet needle clip
• 3 main jets (150 - 155 - 160)
• 2 pilot jets (45 - 48)
• fuel screw.

This fits: all Keihin FCR MX carburetors which have a fixed, non-removable intake bell.

Adapter mounting instructions: trim off the small rims from the carburetor intake bell. Heat up the adapter (oven, hotplate, ...), align the passages to the air jets and gently press the adapter on the carburetor. Let it cool down for a perfect, airtight fit (no sealant required).


Complete as pictured.