Mercury Outboard 50hp 500 1554-3910A2 Drive Shaft Exhaust Housing Short Shaft 70 Harmonic Balancer 13 Tooth Splines w/ 2

13 Tooth Splines w/ 2

There were multiple different lengths of these found on various outboards from this time period

May be able to use with leaving it in not sure

The ring gear is mounted to the face of the flywheel rather than the back side (which is what you would find in Stern Drives)

Widely used in MerCruiser Alpha One & Bravo / OMC Stringer & Cobra 400 800 platform 1981-1993 GM Engines (2

Mercury Outboard 50hp 500 1554-3910A2 Drive Shaft Exhaust Housing Short Shaft 70 Harmonic Balancer 13 Tooth Splines w/ 2Came off a Mercury 50hp 500 1970 1976 with Serial# 3235293 4cylinder cyl. 2 Stroke Vintage Kiekhaefer Item Condition and Notes: Good working Condition Please Inspect Pictures for condition Freshwater Part About 16" Part #'s Drive Shaft Housing Assembly Short Shaft: 1554 3910A 2 Lower Rubber Mount: 37395, 75304T 1 Upper Rubber Mount: 37394, 75305 Yours should look like this one. Please ask if you are unsure if this part will work for you. Please send