Logo

What is the timing for 1988 2 stroke 90 hp 3 cylinder mariner serial OB 301184?

The jet engine having a tough time starting. So after putting new reeds and cleaning carbs. I messed with the timing. Screwed it all up. I ordered a dial gauge and found TDC then did the timing adjustment with carbs, but dont know if timing is 2 or 4 BTDC and the high is 28? I have three carb kits with gaskets and needle valves and new fuel jets. (072 for less than 2500 ft. elevation) coming in a few days.
 
Back
Top