« previous next »
Pages: 1 [2]

Author Topic: 77 115 merc  (Read 11670 times)

0 Members and 1 Guest are viewing this topic.

Offline n0ukf

  • Full Member
  • ***
  • Posts: 123
Re: 77 115 merc
« Reply #20 on: July 25, 2011, 11:29:23 PM »
Quote from: 74 Carlson the II on July 25, 2011, 09:07:51 PM
...a regulator regulates the voltage and a rectifier only changes the voltage from DC to AC if I remember correctly.

AC to DC.
Logged
Elliott
'64 Skiflite 142, '64 Evinrude Lark VI 40hp Selectric.
('59-'62) Wizard Bolero Imperial 15, '67 Evinrude Lark IX 40hp Selectric.

Offline 74 Carlson the II

  • Sr. Member
  • ****
  • Posts: 252
  • 74 CV16
Re: 77 115 merc
« Reply #21 on: July 26, 2011, 02:07:05 PM »
Thank you for correcting me on that, I knew it was one or the other.
Logged
Steve
74 CV16 115 merc inline 87'
76 CV16 115 merc inline 76' 1150
72 CV19 outboard, no engine YET. Speed? (Unlimited)!!!!!!

Offline orange wake

  • Newbie
  • *
  • Posts: 4
Re: 77 115 merc
« Reply #22 on: July 27, 2011, 09:39:20 PM »
well have my new regulator/rectifier installed ran it on the hose,so far so good 14 volts. friday big test will be going to waconia home turf or maybe minnetonka hope for a good outcome thanks everyone,john
Logged

Offline badgercarlson

  • Full Member
  • ***
  • Posts: 145
Re: 77 115 merc
« Reply #23 on: July 28, 2011, 09:24:52 AM »
My 77 Merc 115 ran like crap on Tuesday when I took the boat to Oshkosh to watch EAA planes flying over Lake Winnebago.  Been noticing some carb problems for about a month now.  Carbs were rebuilt about 12 years ago so it's time to do it again.  Hopefully 3 carb rebuild kits will arrive at my local Merc dealer today so I can (with the help of a retired auto mechanic) get it done before the weekend.
Logged

Offline 74 Carlson the II

  • Sr. Member
  • ****
  • Posts: 252
  • 74 CV16
Re: 77 115 merc
« Reply #24 on: July 28, 2011, 07:28:10 PM »
When was the last time a compression test was performed? Wouldn't be a bad idea to do a spark and compression test befor you do a carb overhaul, would be worthless to go through them and then find out that one cylinder is low.
Logged
Steve
74 CV16 115 merc inline 87'
76 CV16 115 merc inline 76' 1150
72 CV19 outboard, no engine YET. Speed? (Unlimited)!!!!!!

Offline badgercarlson

  • Full Member
  • ***
  • Posts: 145
Re: 77 115 merc
« Reply #25 on: July 28, 2011, 08:03:21 PM »
Good idea.  It's probably been 10 years since I had a compression check.  The carb rebuild kits didn't come in today anyway.  Merc dealer says they will be here tomorrow so I'll do compression and spark tests before working on the carbs.
Logged

Offline badgercarlson

  • Full Member
  • ***
  • Posts: 145
Re: 77 115 merc
« Reply #26 on: August 09, 2011, 06:50:59 PM »
Been busy working on my '77 1150 lately.  New fuel pump, rebuilt carbs, new distributor cap and rotor, new upper and lower bearings in distributor.  All 6 cylinders passed compression test.  Replacing the rotor was a pain.  Had to remove flywheel.  The rotor and shaft is one part.   When I removed the old rotor shaft, I found the upper and lower bearings didn't look good so I replaced them.  Couldn't get cap and rotor from Merc anymore so had to go aftermarket.  Got bearings from Merc dealer, but was informed that they will soon be discontinued.  Motor runs great now.
Logged

Offline MarkS

  • Hero Member
  • *****
  • Posts: 1062
Re: 77 115 merc
« Reply #27 on: August 10, 2011, 04:13:47 AM »
Glad to hear you got her sorted out BC, sounds like you have all the bases covered.  Enjoy!
Logged
Mark
1978 SSV-176
Pages: 1 [2]
« previous next »