I have a 1986 140 hp Mercruiser w/Mercarb with an Alpha 1 outdrive and am wondering what, if anything, can be done for higher elevation boating. I am running at 3500' elevation which is not too high but my boat does seem to have suffered a little in performance. <br /><br />It's my...
On an Alpha 1 outdrive should there be any play in the prop shaft when moving it in or out? Mine does not move up or down but it does move no more than and 1/8th of an inch in and out.
I just finished replacing lower unit water pump and pumped new gear lube back into it. I only removed lower half of outdrive. I let it set overnight and it appears now that some of the gear lube has ran down from the top part of the shifter (from inside the bellows down the shifter to the...
Boat: 1986 Sea Ray 140 hp Mercruiser with engine serial # A611762. Alpha 1 drive.<br /><br />Three questions. Is the timing for this engine 6 degrees BTDC or 8 degrees BTDC at idle? The engine label says 6 but I have seen 8 floating around. Another question regarding timing - is it checked...
I have a 1986 Sea Ray with a 140hp Mercruiser - 2 barrel carb. The carb is a Mercarb model 1389-9350. It will idle fine and run smooth at higher RPM's but when I hit the throttle from idle the motor boggs down and then backfires through the carburetor and I have to pump the throttle to smooth...
