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MIKUNI JET MKA290 (Manufacturer part number: 4/042-290) — Replacement part from Mikuni designed for carburation interventions. Created for motorcyclists looking to fine-tune the air/fuel mixture, this jet fits into compatible Mikuni carburetors and is used to adjust the fuel flow for a more suitable carburation for the engine and operating conditions.
Brand: MIKUNI
Manufacturer part number: 4/042-290
Category: Jet
Usage: Carburation adjustment (replacement or optimization)
Ideal for tuning operations, replacements due to wear, or for adjusting the mixture according to altitude, fuel type, or engine modifications. Simple installation for a skilled DIYer, but fine-tuning the carburation requires appropriate tools and method: cleaning the jet seat, checking the fuel filter, and adhering to the torque specifications recommended by the manufacturer are essential.
Practical tips: check compatibility with your carburetor before ordering and keep the manufacturer part number for any future interventions. If in doubt, have your carburation checked and adjusted by a professional to ensure optimal performance and reliability.
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