New Genuine Keihin PWK 38mm Carburetor

THIS IS A GENUINE KEIHIN PART WITH SERIAL NUMBER / NOT CHEAP COUNTERFEIT FROM CHINA




THE BEST UPGRADE FOR YOUR HONDA CR500

Comes in manufacturers box and has serial number stamped on it. 


Don't be fooled by the cheap knockoffs selling for cheap, they will waste your time and possibly damage your machine. 






Producing power without compromise







The motocross world knows PWK. Keihin PWK carburetors is the dominant carb on the factory motocross machines. Because of their great performance they come stock on a lot of the leading brand bikes. With these features you can take advantage of Keihin's superior performance.

PWK Features





• Chromed semi-flat (D) throttle valve for excellent response and more flow at high RPM.

• Throttle bores sized to give maximum power.

• Easy jetting with jetting parts available.

• Quad Vents: Eliminates post jump bogging from fuel plugged vent passages

• PWK Air Strikers: Directs air to main nozzle for improved signal and throttle response.

PWK Carburetor Dimensions

SIZE

A

B

C

D

33mm

42

59

91

164.3

35mm

42

59

91

163.3

36mm

46

63

91

176.6

38mm

46

63

91

171.6

39mm

46

63

91

171.6

PWK Carburetor Standard Jetting

SIZE

Main Jet

Slow Jet

Jet Needle

Thr. Valve

Standard

PWK 28MM 29S

#135

#38

46JJH

C.A. 3.5

PWK 33MM S46

#165

#52

48CGL

C.A. 6.0

PWK 35MM 70R

#160

#68

48DGK

C.A. 6.0

PWK 38MM 71R

#172

#58

48DEG

C.A. 6.0

PWK 39MM 72R

#160

#60

48DGH

C.A. 6.0

Quadvents/Air Strikers

PWK 35MM S65

#160

#48

48DEK

C.A. 4.5

PWK 36MM S63

#165

#55

48DGJ

C.A. 5.0

PWK 38MM S66

#170

#55

48DDJ

C.A. 7.0

*Re-Jetting may be required