Keihin 38mm PWK38 Carburetor
This carburetor is a Keihin 38mm flat slide air striker model. It can be jetted to work with 250 - 650cc machines.
2 Different Carburetors available in 3 different configurations
Choose either the Sudco Keihin PWK38 Airstriker carburetor or the Koso PWK38 Airstriker. Specs are the same.
Option 1: Carburetor with basic jets (165/170/175 and 45/50/55)
Option 2: Carb Kit includes
1 Air filter
1 extra Viton Drain o-ring
1 extra Keihin float bowl gasket
2 extra needle clips
10 piece Main jet set (120-170)
10 piece Pilot jet set (32-55)
Option 3: Tuner kit includes the above and also
1 carb mini tool
1 NGK iridium spark plug (DPR8RIX-9)
1 Mikuni carb boot (HS42/018-42)
This is a great carburetor with many universal applications. It commonly is used on the Suzuki LS650/S40 bike rebuilds as a replacement for the stock carb. It may need to be re-jetted for your specific climate and elevation. Carb jetting is not a one size fits all, you will likely need to try out a few different jets unless you have some locals with the same setup to share that tribal knowledge..
Here’s the specs…
165/170 and 175 Main Jet
45/50 and 55 Pilot Jet
48-DDJ Throttle Needle
7.0 Slide
Intake OD 62mm
Outlet OD 45mm
Here are some fine instructions on tuning your carb…