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  1. J

    Force replacement coil issues

    Hi everyone, I recently purchased new coils here on Iboats for a 1990 Force 90HP engine that had the blue coil packs. Now the engine keeps killing spark plugs. I did a resistance check and the old coil packs are around 290ohms. The replacement packs are a little over 1000 ohms. By part number...
  2. J

    Out of ideas on Force 90, Help!

    I'm no slouch at troubleshooting outboards but this one has me stumped. My dad recently picked up a 1990 Force 90 (model 908F90B) with what I believe is a Prestolite CDI ignition. The problem in the beginning was the engine would only reach around 4000 rpm at WOT and would on rare occasion...
  3. J

    1972 20HP Chrysler Fuel pressure problems

    Hi Everyone, I am helping my neighbor out on his Little 20hp outboard. The model is 204HD, serial is 1318, I think its a 1972 by the charts that I have been looking at. The motor had been in storage for quite some time when he purchased it. We cleaned the carb really well and got it running...
  4. J

    Mariner 40EL year

    I have searched the Internet up and down but the only way i have found to find out what year it is seems to be to ask on a forum. It's what I believe is a late 80's Yamaha built mariner. The full data tag numbers are 40EL6E9L420749. Any help would be greatly appreciated.
  5. J

    Marine engine block versus Auto engine block

    I am currently looking at changing the block on my 5.0L OMC. I just purchased the boat this past season and got it running only to find that someone had not done the proper maintence for winter and cracked the exh manifolds and to my supprise the block. I had no water in the oil and nothing to...
  6. J

    changing to closed cooling system

    Hello, I have some questions about closed cooling systems. I currently have a open (raw water) system on a 5.0L OMC Cobra. The first question I have is do I really need a closed system. I primarily use my boat in fresh water but next summer I will be using it in salt water approx 8 times. Each...
  7. J

    Type of trolling motor for deep V-hull boat

    Hello, I have a 21.5ft deep V-hull bowrider. By bowrider I mean that there are seats all the way around up front. I would like to get a trolling motor but I have no idea what I need to get to make it work with my type of boat. There is only about 6" of hull to mount to up front before it goes...
  8. J

    Proper beaching techniques?

    Hello, I am fairly new to boating (one full season) and wanted some information on the proper way to beach a boat. Let me explain. I have a 21.5ft deep V-hull boat that I frequently take down to the coast. I see people all of the time parking just off little islands and I would really like to do...
  9. J

    92 seadoo xp 580 winterizing

    Hello, I have read many of the topics and posts for winterizing and am now a little confused. I just need to know about the antifreeze. Does my ski drain on its own or do I need to drain it? Also once the water is out where do I put the antifreeze in. I don't have a shop vac but will purchase...
  10. J

    '88 5.0L OMC coil question

    Hello, I have an '88 5.0 L Cobra and am having some dificulty with it dying suddenly. I learned through searches that there is a resistor in line from the Alt to the pos side of the coil. I checked my voltage at the pos side of coil with key in "on" position and only had 4.5Vdc. I then removed...
  11. J

    What is the best outdrive fins to buy to help plane

    Hello, I was wondering if anyone could give me some opinions on what fins to buy for the out drive to help my boat plane out easier. I realize these fins probably have a specific name but there are thousands of types out there. I have a 21.5ft 1988 bayliner bow rider with a 5.0 Omc in it. It...
  12. J

    Cobra stern drive oil replacement

    I just changed the oil in my cobra 5.0L using the book as a guide. I filled from the middle hole with the fill plug out on the top. The capacity in my book is 64oz (2 qts). As I got through about 38oz oil started running back out of the fill hole. I used the nose of the bottle and kept pumping...
  13. J

    '92 580 XP dies when tilted bow to stern

    My 580 has what I thought was a bad lanyard switch. It dies whenever the rear of the ski drops down under acceleration, jumps or even at idle when I stand up and lean back. It also does it when I lean forward. It dies and does not fire back up until I use the starter. I replaced the lanyard...
  14. J

    Where to buy new exhaust manifolds

    I have to replace two cracked exhaust manifolds and need a good place to buy them. Also I see aftermarket and OEM around, which ones are the best? Thanks
  15. J

    Cracked Exhaust Manifold

    I have a 1988 OMC 5.0L (Chev) that I just got to start a few minutes ago. It purrs like a kitten and then water starts spewing out of one of the exhaust manifolds! I looked and there is a 4 inch long crack in it. I looked at the other side and it is the same way. Am I going to have to replace...
  16. J

    OMC 5.0L starts then imediately dies

    I have a 1988 OMC 5.0L that starts then imediately dies (runs approx 2 seconds). It has a 4MV Quadrajet carb. Background is the engine has not ran in approx 2 years, supposedly was running when previous owner turned it off. I replaced spark plugs, rebuilt lower unit, replaced upper unit water...
  17. J

    Pump oil.

    Does anybody have a favorite pump oil or does it have to be brand specific, i.e. seadoo for seadoo, yamaha for yamaha ect.
  18. J

    Favorite Fish finders

    I am currently looking for a fish finder/depth finder/gps and radio. I have never purchased any of these items before and there are thousands out there. My questions are: Is it better to get as many as possible in one component or seperately. Also what are everyones favorites? Is there one brand...
  19. J

    Installing carpet

    Anybody have any tips for a guy installing carpet for the first time? What tools I might need, techniques, ect.
  20. J

    Omc installation

    I am getting ready to reconnect my lower to upper unit of my 1988 5.0L outdrive and then both back to the transom mount. I have heard that you should apply several coats of sealant or gasket maker in addition to the actual gaskets. Is there any truth to this? there was some residue on these...
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