Carb rebuild kit

[carrollcountybuckhunter]

For the life of me I can't find a carb rebuild kit for my merc 5.0.

Went to Napa and Advanced Auto and asked and all I got was the deer in the headlight stare. Can someone help me ?

The tag on carb
MCM200
1389-9670

The stamp on carb
13899670
7303

The boat is a 1988 Welcraft 210 Classic

 

[fufi5]

Hello! Found some info on your carb 1389-9670A2 Carburetor Kit - 18-7076 - Sierra you can get it thru iboats or go to your local marine store if needed sooner. I searched on eb@y using carb number in the search bar 1389-9670A2 got results with Mercruiser Carburetor Kit 3302-804844002.
Used a search engine with the carb number, found site carbkitsource dot com with part number CK816 and this info from them:
Note that the Mercarb looks like a Rochester 2-Jet (2G) carburetor, but is actually a completely different unit. Only the float is common to the two carbs. The Mercarb can be distinguished by the lack of 'Rochester' or 'Two-Jet' markings, which all 2G carbs have.
​I hope this helps you out