I have a 1977 Model 200, 20HP Mercury manual shift motor and I am replacing a old worn out part# 63673 - LEVER, SHIFT CONTROL for the shift control linkage. I cannot seem to get the Shift handle off the shift shaft. Any suggestions on how I break this thing loose? After that I guess that I...
I have a 1977 Mercury Model 200 20Hp motor that has over the years started to bogg down when put into gear. I replace the plugs once a year and run 25:1 Mercury fuel mixture. I have changed out the fuel filter and gaskets for it and that did not make a difference. Changed out the fuel hose...
I posted on this problem some time back. I have a 1977 Mercury Model 200 20Hp motor that will drop into gear if the engine is reaved up while in neutral. I had a great response to why this was doing this and a solution that worked for a limited time as was stated - that was that the detents on...
I have a small amount of oil leaking out of the bottom of my motor by the prop. I recently changed out my water pump and was going to remove my prop and get it repaired because I hit a stump and knocked a small piece out of it. When I went to remove it I got the prop nut off fine but was not...
Once again I am back to ask the experts a question. I have a 1977 model 200, Mercury 20Hp motor and I recently replaced the entire water pump myself with the help of this site and my trusty Seloc repair manual. I have just run the motor out of water with water muffs and it is spitting like a...
What is the proper torque settings for the water pump Stud Bolts on a 1977 Mercury Model 200 20HP motor? Any help would be apprectiated. Thanks in advance.
You all have helped me so much in the past. I went with the suggestions posted earlier and bought the complete water pump kit made by sierra for a 1977 Mercury Model 200, 20HP. I have taken apart the old water pump and have everything ready to put in the new water pump. I have purchased 2-4-c...
I have a 1977 Mercury model 200 20HP motor and I am having water pump / impellor problems. I have owned the motor for 5 years and have done the basics with it - changed plugs gas lines and have tried to keep the gas as fresh as possible. I started to notice about a year ago that the engine was...
I have a 1977 model Mercury 20HP 2 cycle and am having troubles with the pull start cord not recoiling if the motor does not crank. I can manually push the pull cord back in and it will catch and on the second pull it starts and the cord recoils back in. Any suggestions would be apprectiated...
I have an older(I am guessing mid 70's) Mercury 20HP outboard and I am wanting to do some basic work on the motor, but I need to know what the year of my motor is. Can anyone help me? The serial Number of the motor is 4409643. Thanks in advance for any help that anyone gives me.
I have an older model(mid 70's) Mercury 20HP tiller control motor on my boat. The past year after I start the motor and reav up the engine it slips into foward gear from time to time, but is gettng worse. I also have a little fuel that drips out of the case after the motor has been sitting...
