Mercury Kiekhaefer Outboard 10-23171 Carburetor Carb Needle Screw Mark Model K Valve Covers Related: 300439 0300493

Related: 300439 0300493

May work on many other years

3L applications

And the other part as pictured

missing paint

Mercury Kiekhaefer Outboard 10-23171 Carburetor Carb Needle Screw Mark Model K Valve Covers Related: 300439 0300493Item Description Mercury Part Number 10 23171 Which is some sort of Idle Lean Rich Mixture Control Adjustment Knob Screw, Might be high speed, might be low speed. Unsure what model or models this is from or can be used with. ( Where used book says MOD K which might be K1 K2 K3 K4 K5) Purchase with confidence! General Disclaimer (please read) These are New Old Stock Parts from a large mercury Mark & K models cabinet I have. Some of these parts might