Description
Carburetor tuning directly impacts your engine’s power delivery and throttle response—and jet sizing is non-negotiable for dialing in the sweet spot. The Wiseco Keihin-Style Main Jet Assortment Kit gives you the range needed to match your fuel mixture to altitude, ambient temperature, and engine modifications without guesswork. With five jets per size, you can confidently test and validate your baseline tune, then keep spares on hand for future adjustments.
- Five jets per size
- Keihin FCR MX/PJ/PWK/PWM compatible
- Optimizes midrange throttle response
- Wide-open throttle fuel delivery
- Brass construction, durable
- Bolt-on installation
- Includes tuning guidance
- MPN: JK002
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