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  1. zbadboy

    1985 Mercruiser 120 Timing

    I have searched and found different answers in reference to timing for the Merc 120. Allot of people are setting it at 6* BTDC. However the mercuiser Manual states 8* BTDC on the 120 and 6* BTDC for the Merc 140. The dwell range in the Mercruiser manual states 28* - 34* for both. I just...
  2. zbadboy

    Good news on my 19' Islander

    Got the call today that my motor is not cracked or damaged. The mechanic isolated the motor and put 15psi of preasure on it and checked it two hours later and it still had 15psi. He said the boat had sat with water in the bilge. He said there is a distinctive high water line that runs along...
  3. zbadboy

    Will a "67" Merc 120 bolt to a Alpha I?

    I am looking for a replacement Merc 120. I have a chance to get a donor boat with a low hour mercruiser 120. I need to know if it will mate up to a Alpha I. Also, Some say parts for the older 120's are hard to find. What's the difference?
  4. zbadboy

    checked oil and it looks like milk shake

    1985 Starcraft Islander Mercruiser 120. I bought this boat recently and took it out yesterday for the first time. The seller of the boat has been up front and honest with me and was surprised what happened. He offered me his email address, home phone number and cell phone number when I bought...
  5. zbadboy

    Need Mercruiser Manual

    I was wondering if someone had these two manuals in PDF Mercruiser Manual #6 90-12934--2 1983-1990 Sterndrives - R, MR, Alpha One & Alpha One SS and Mercruiser Manual #10 90-14693--1 1985-1989 Engines - GM 4 Cyl Thanks Jeff
  6. zbadboy

    New owner of Precious Metal

    I just bought a 19 foot 85 Starcraft Islander with a Mercruiser120 and outdrive. The boat has been very well maintained mechanically. I also have a 17 1/2 foot 88 Chriscraft with a Mercruiser140 and outdrive that I bought last year. The Chriscraft was bought from a widow that said it had been...
  7. zbadboy

    New Owner of Precious Metal

    I just got a 19' Starcraft Islander over the weekend. I am working on pictures. It has the Mercruiser120 and outdrive. The boat has been very well maintained mechanically. I also have a 17 1/2 foot 88 Chriscraft with a Mercruiser140 and outdrive that I bought last year. The Chriscraft was...
  8. zbadboy

    Merc120 to Merc140 Swap

    I just bought a 19 foot 85 Starcraft Islander with a Mercruiser120 and outdrive. The boat has been very well maintained mechanically. I also have a 17 1/2 foot 88 Chriscraft with a Mercruiser140 and outdrive that I bought last year. The Chriscraft was bought from a widow that said it had...
  9. zbadboy

    light Bulb model number on 1988 Chris Craft

    I need to replace the navigation and anchor light on my 1988 Chris Craft 17' cavalier. The bulb ends are tarnished and I can't read them. Thanks.
  10. zbadboy

    NS40C Shift Linkage Removal

    I am trying to replace the impeller on my NS40C. I can't figure out how to disconnect the shift linkage. There is not enough play to disconnect the rod at the top. The bottom has pins going through the cable but I am unable to remove those either. The bolt holding the bracket up top is in a...
  11. zbadboy

    1991 NS9.9 Question

    I am looking at buying a 1991 NS9.9 from a private owner. He says it does not have electronic ignition. If it doesn't have it, can I add it? There are three models NS9.9B which I think is a 4 stroke and NS9.9C andNS9.9D2. I am waiting for him to get back with which model it is. Also, I have...
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