The KEIHIN 132 main jet is an adjustment part designed for Keihin carburetors. Numbered 132, it directly affects the fuel flow at wide open throttle and is an integral part of adjusting the air/fuel mixture richness. Ideal for carburetor tuning operations, this jet allows for fine-tuning of the carburation following an engine modification, a change in exhaust, or to compensate for altitude variations.

• Function: replacement main jet for Keihin carburetors.
• Usage: adjusts fuel flow at wide open throttle and influences high RPM response.
• Advantage: allows for precise richness adjustments during carburetor preparation or maintenance.
• Installation: fits into the jet holder of the carburetor — simple replacement during bowl maintenance.

Usage tips: replace the jet following the manufacturer's procedure, use appropriate tools, and conduct gradual tests to validate the carburation. If in doubt, consult a tuner or specialized workshop to adapt the jet size to the engine configuration and usage conditions.

Manufacturer reference: 99101-357-1320 — KEIHIN 132 main jet.