Mercury Kiekhaefer Outboard 10-23171 Carburetor Carb Needle Screw Mark Model K Valve Covers And the other part as

And the other part as pictured

Please let me know if you have any other question on this unit

Related: 300439 0300493

59520 & Serial Number 67600710-4913

This unit was used specifically on electric start models which had a powerhead with a special extended length crankshaft

Mercury Kiekhaefer Outboard 10-23171 Carburetor Carb Needle Screw Mark Model K Valve Covers And the other part asItem 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