This listing is for a new Keihin carb that is pre-jetted so it will require fine tuning according to the machine you have, any modifications, and altitude. Some spare Jets are included to help. If you need any help with recommended jetting specs feel free to message me at anytime. 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. 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 Standard Jetting. Re-Jetting may be required.
New Keihin PWK 38mm carburetor Quad Vent Air Striker Carb With Jets. Works on either stock or modified engines, but performs best with modified engines running higher compression than stock. I highly tuning the carb prior to installation as it comes with standard jetting as stated. PWK Carburetor Standard JettinG. #165 / #175 Mains, and #45 / #55 Pilots.
Keihin PWK38 38mm Carburetor Carb For Honda TRX250R CR250 ATC250R Suzuki LT250. Models: Honda ATC/ TRX 250R & Suzuki LT 250R/500R Quadracers. Works on either stock or modified engines, but performs best with modified engines running higher compression than stock. LT500R information: Best if used when strong midrange and great top end power is needed. Gives slightly better bottom end then a 39mm PWK. For the LT500R power is excellet across the entire power curve. I highly tuning the carb prior to installation as it comes with standard jetting as stated. PWK Carburetor Standard JettinG. #165 / #175 Mains, and #45 / #55 Pilots.