Genuine Mikuni Fuel Carb RS Smoothbore RS40-D1 for Kawasaki KZ 1000 1100 OpenBox

This is new open box kit. It has not been installed and does not contain gas.

Mikuni RS Smoothbore Carburetors
Designed for in-line four-cylinder performance motorcycles, the Mikuni RS Series Radial Flat Slide Carburetors offer superior horsepower gains with their maximum flowing smoothbore induction tract and radial flat slide design. An adjustable accelerator pump system helps to provide instant throttle response, particularly in the lower RPM range. The RS Series Carburetors feature a compact design which is 25% lighter than other performance Carburetors and uses readily available Mikuni jets.

Features of the RS Series Carburetors
Adjustable Pump Adjust Screws. Sets ON and OFF operation of accelerator pump in relation to throttle slide position.
Throttle Return Spring. A choice of positioning pegs allows adjustment of spring tension.
Idle Adjustment Screw. Controls engine idle speed.
Adjustment Accelerator Pump. Squirts fuel into carburetor venturi when throttle is opened to improve engine response.
Starter System. Provides fuel enrichment for cold engine starting.
Adjustable Pump Spray Nozzle. Shoots fuel directly into the intake tract for immediate engine response.
Jet Needle Clip. Easy adjustment feature for quick adjustment.
Flat Throttle Valve Design. Provides the strongest signal for precise and instantaneous throttle response.
Float Bowl Vent. Allows atmospheric pressure into float bowl for fuel flow.
Smooth Throttle Bore/Venturi. Produces the optimum air and fuel mixture flow at all RPM's.
Genuine Mikuni Jets and Tuning Components. Provides for precise fuel metering.
Pilot Air Jet. Use in conjunction with the Pilot Fuel Screw for tuning of mixture at idle to 1/4 throttle.

RS40-D1 Center Bell Crank

Fits Kawasaki
1981-83 KZ1000J/K/M/R Must use Kawasaki Intake boot part # 16065-1131 if using any KZ 1000 NON J model
1981-85 KZ1100A/D

Fits Suzuki
GS1000
GS1100
GS1150
GSXR750 Air Cooled
GSXR1100 Air Cooled

For Race use on models listed

Carb Spacing (Throttle Shaft No.) A-B-C: 77-93-77 (700-17011)
Spigot (O.D.): KZ1000- 44mm; All Others- 140mm
Main Jet N100.604: 140 (-3)
Jet Needle (J8-) (Clip Pos.): 9CHY03*
Needle Jet #568 (784-13002): Y-6
Pilot Jet (VM28/486): 17.5
Pilot Screw (Turns): 1/4-1/2