PWK/PWM

Producing power without compromise, Keihin PWK carburetors have set the standard for ATV, motocross, and offroad racing carburetors. Because of there great performance, they come stock on a lot of leading brand names. PWK features include: • Chromed semi-flat (D shape) throttle valve for excellent response and more flow at high RPM. 
• Throttle Bores sized to give maximum power.
• 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 carburetors are available in Standard (Non Air Striker) and Air Striker/Quad Vent.

Parts diagram Keihin PWK 28 No Air Striker
Parts diagram Keihin PWK 33-41 mm Air Striker
Parts diagram Keihin PWM 38 Quad Vent