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  1. M

    This is driving me crazy yamaha 100 hp 4 stroke

    I recently acquired a new to me boat and am trying to trace down some engine problems I am having with it. 1999 Model #F100 TLRX. Test drove the boat and it ran good before I completed the purchase. Drove it home (About 300 miles) and took it out on the water a few days later. Ran ok at low...
  2. M

    yamaha bogging down at half throttle

    Hello to all you motorheads out there. I am seeking some help on my 1999 Yamaha 100 HP 4 stroke. Just acquired the boat with motor and it ran well on the test drive before I purchased it. Drove it home a few hour drive and put it in the water a few days later. Ran ok at half throttle but when I...
  3. M

    Nissan NS70A impeller size

    I currently own this 70 HP NS70A. I know it is old (1985) but still runs pretty well. I run at about 35 MPH in my Mcgee Craft Angler. I was looking at impellers for this thing with part number 35365-0210M. On closer examination, the sizes for that impeller listed under that part number are all...
  4. M

    NS70A impeller key

    I am doing some maintenance on my 70 HP Nissan (1985 model). One fin of the impeller was damaged upon inspection. When I removed the pump cover to inspect the impeller I noticed the key for the impeller was worn completely out beyond recognition. Now I am in the process of trying to track one...
  5. M

    Nissan Carb issue?

    I have a 70 hp 1985 70 hp Nissan outboard. Took out this weekend to see how she ran and it did fine until full throttle. After about 15-30 seconds full throttle it falls on its face/bogs down and will die unless I back off throttle and give it a few seconds. Seems like possibly carb isn't...
  6. M

    overheat buzzer sensor

    I have a 1985 Nissan 70 hp. I recently acquired it and noticed there were a couple of wiring issues. The trim wire was connected to the one lead on the heat sensor. Well at least I figured out why the trim wasn't working! But now do not know what plugs in to the heat sensor? One wire is grounded...
  7. M

    Nissan Tilt and Trim

    Ok I know that they don't make parts for my 1985 70 hp Nissan motor any more. That being said, I have so far been able to find every part I need scouring the internet. Sometimes it is a part that is for a later model motor but fits the older ones. The tilt and trim works good on it but has...
  8. M

    paint for Nissan outboard

    I have a 1985 Nissan 70 hp NS70A outboard. The motor has been used exclusively in salt water from the looks of it. Plenty of corrosion and paint failure that needs to be addressed so I am looking at repainting it. However the Nissan color has long since been discontinued. I am looking at sanding...
  9. M

    Trying to locate obsolete parts Nissan NS70 A

    I recently acquired a 70 hp Nissan outboard. Purrs like a kitten and 130 lbs of compression in each cylinder. There are a couple more parts I am trying to locate for this little jewel and I am having trouble find them. 1. I am trying to track down a couple of locating brackets for the motor...
  10. M

    Nissan 70 HP water pump

    I recently acquired an NS70A 70 hp Nissan outboard I am trying to get in working order to mount on my boat after my 50 hp evinrude bit the dirt. Motor fires right up and seems to run great with 130 lbs compression on both cylinders. No water stream though and telltail tube is not stopped up. I...
  11. M

    weight of a 1980 70 hp Chrysler outboard

    Hey guys, My 1982 50 HP evinrude just bit the dust and so I am looking at replacing the motor for my 1986 Mckee Craft Angler (14 ft). From what I can find it looks like the maximum HP rating for that boat is 70 hp. I have found a 1980 Chrysler 70 hp outboard in very good condition and am trying...
  12. M

    Shift rod height 1982 50 HP Evinrude and detent shifter problem

    1. I am learning as I go so need a little help on Shift Rod height on a 1982 Evinrude 50 HP outboard. Model number is E50BELCNR. I removed the lower unit to determine why I was getting water intrusion into the lower unit oil. Had a local yocal replace seals in the lower unit and when I went to...
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