FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
I have a Mercarb 1389-8490 Serial number 6360589.
The instructions that came with the rebuild kit, and almost everywhere on here I read are to set the drop @ 1 3/32 (29mm). And float to 9/16 (14mm) When I took this carb apart I figured that somone was in here and had to adjusted WAY off...