Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 317Get this manual
3Attach shi ft cable end to engine sh ift leveraRoute shift cable from port side of enginebelow carburetors to cable anchor bracketbLubricate 10 of cable anchor bracket and cable fastening hole in cable end wit 2-4-C Marine LubricantcSlip sh ift cable th ru notch in cable anchor bracket an push cable end back into anchor bracket 4Locate center distance of shift lever movement when outboard is neutral gearThis is necessary for adjusting the cableaManually shift outboard into neutra gear (propeller must rotate freely in both directions bPush sh ift lever (a) toward reverse gear (b) until resista nce is feltthen mark shift lever at locat ion (e)50003