the speedometer on my boat stopped working halfway through last year.thought it was just gunk in the tube and didn't check right away.when i had time i disconnected and the tube and blew it out.couldn't be in two places at once but could here the air so i thought the problem was solved.go out...
I have a merc 90 4s with a 17p x 13.25 prop on a lund prosport 1700.The rig weighs in at about 2500 lbs.the altitude here is 3500 feet but we vacation at a lake at 2400 feet.My hole shot is good,and so is top speed.rpm is 5400 at wot.motor is rated for 5000-6000 rpm range.
I want an...
Doing end of season service on a new 90 4s.
The service manual reccommends 25w40 except in low tempertures below 40 F and then they say to use 10w30.
I don't go out below 50 F.I would rather use the manufacturers preference.
My problem?Argued with a master mechanic over the grade of oil to...
