KEIHIN FCR MX39 FLAT SLIDE CARBURETOR WITH ACCELERATOR PUMP & CHOKE

THE BEST PERFORMANCE FOR 4 STROKE MACHINES.

INSTANT THROTTLE RESPONSE AND MORE POWER THROUGHOUT THE POWER-BAND

THE CARBURETOR IS CUSTOM BUILT FOR YOUR APPLICATION ONCE ORDERED

THESE KITS ARE CUSTOM BUILT TO ORDER
CURRENT LEAD TIME AS OF 3/28/2024 IS ABOUT 4 WEEKS
DURING THE BUSY TIME OF THE SEASON SO YOU MAY EXPERIENCE LONGER WAIT TIME.

****STOCK PHOTO SHOWN -THROTTLE & CABLES ARE NOT INCLUDED

NEW AND USED CABLES CAN BE FOUND HERE

FCR-MX Features

• Over-flow drain joint and tube.
• Quad vents.
• Throttle cable enclosure.
• High capacity float chamber.
• Float chamber baffle for rough terrain.
• Smooth bore for maximum air flow.
• Flat slide with vacuum release plate for best throttle response and flow control.
• Rollers on throttle valves and progressive linkage for smooth operation and control.
• Equipped with accelerator pump to eliminate flat spots.
• Designed for easy installations on popular motorcycles.
• A full range of spigots/adapters/velocity stacks/ is available.
• Easy jetting which can be done track-side.
• Hot re-start knob (OPTIONAL)
  
• TPS (Throttle position sensor) (OPTIONAL)
  
• ACV for enrichment in declaration. (OPTIONAL)

KEIHIN FCR MX39 CARBURETOR KIT FOR SUZUKI DRZ 400

KIT INCLUDES:

• Keihin FCR-MX39 Carburetor (throttle and cables not included)

• Jet Kit -- Correct jetting for your bike will be installed pro to shipping, see chart below for specs

• Airbox Adaprter  -- 60mm for S & SM models or 55mm for E models, please specify when ordering

• Intake Collar

THE CARBURETOR WILL BE COMPLETELY ASSEMBLED AND READY TO BE USED

QUICK TURN THROTTLE KIT AVAILABLE HERE

JETTING CHART:

DRZ400 Jetting for: sea level, stock exhaust or quiet 96db aftermarket pipe, 3x3 Mod

• 155 main jet
• EMN needle - clip 3
• 45 pilot jet
• 2 turns fuel screw

DRZ400 Jetting for: sea level, aftermarket pipe with open muffler, 3x3 Mod

• 160 main jet
• EMN needle - clip 3
• 45 pilot jet
• 2 turns fuel screw

DRZ400 Jetting for: 4000-6000ft, stock exhaust or quiet 96db aftermarket pipe, 3x3 Mod

• 145 main jet
• EMP needle - clip 3
• 45 pilot jet
• 2 turns fuel screw

DRZ400 Jetting for: 4000-6000ft, aftermarket pipe with open muffler, 3x3 Mod

• 150 main jet
• EMP needle
• clip 3
• 45 pilot jet
• 2 turns fuel screw