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  1. jerryjerry05

    force 120 hi reving issue

    The low compression is probably the gauge or the way it was taken. The 95/120 was designed to have lower comp on #1 and 4 and higher on 2/3 There is NO idle adjustment on either carb. Those are air/fuel mix screws to set the mix at idle. The idle is adjusted at the bottom of the towershaft...
  2. jerryjerry05

    1990 Force 120 2 stroke loss of power high rpm

    Leave the white alone, it covers a jet, nothing in there to mess with. It ALWAYS help if you tell us what we're working on. Year? HP? I see twin carbs so it's a 4cyl. 125 or 120?? The pic of the fuel pump and you say there's a crack?? Kinda blurry. IF?? there is a crack?? it could be sucking air...
  3. jerryjerry05

    1980 Chrysler Sea King 15 Overheating/Waterpump Concerns

    The pic of the mid section, it shows where the water tube comes up from the lower unit, is/was there a grommet or anything where the tube meets the top into the powerhead? There should be some kind of seal to stop the water from shooting out the edges? where the tube meets the head. When the two...
  4. jerryjerry05

    Sparkplug reading

    Cougar: nothing wrong there
  5. jerryjerry05

    89 125 force

    Probably. The Seloc and Clymer manuals suck. They cover a LOT of different motors with "general knowledge" about them. They sell 4 publications: service manual :) , owners manual :(, parts manual:( service bulletin manual :( Ebay...
  6. jerryjerry05

    1978 Chrysler 85HP Powerhead Swap

    What the heck is a "valve seat" ?? Maybe the needle/seat? Most that I've seen the seat isn't removable?? If it is it will have a slot across the top like a screwdriver slot. Seat repair: sometimes with a solid needle there's a teeeeny tiiiiny o-ring in the bottom of the seat??? Or the needle...
  7. jerryjerry05

    1978 Chrysler 85HP Powerhead Swap

    It takes a lot to warp one of these heads so bad it won't work. Piece of glass on a flat surface, then use a feeler gauge to see how much clearance is on the head, measure in a lot of places.
  8. jerryjerry05

    Water in Fuel Starting Issues

    You might be able to get some water out by running, but?? are you sure? I'd remove the sending unit and pump out everything. Then make sure the tank is dry. NO VACUUMS= BOOM
  9. jerryjerry05

    1980 Chrysler Sea King 15 Overheating/Waterpump Concerns

    Looks like it runs good. I'd get the heat gun before there's any damage?? It has water/exhaust coming from the back: Normal What did the old impeller look like when you removed it? Missing any vanes/blades?
  10. jerryjerry05

    1980 Chrysler Sea King 15 Overheating/Waterpump Concerns

    No thermostat: you should be able to touch the head without burning yourself. The area around the plug and the plug will get hot enough to burn, be careful. Might be the cooling passages are blocked? the heat gun will help show that. The pic shows a thermo from a 40 that had the passages almost...
  11. jerryjerry05

    Water in Fuel Starting Issues

    Depending on the filter?? pull it and dump it into a clear glass jar, check for water. You can add all the gas you want and if there's water in there it's gonna be the first thing drawn from the tank. Heet, only treats a very small amount of water. It doesn't remove it just makes it easier to...
  12. jerryjerry05

    Another Guy With Force 120 Issue

    One of the best, cheapest tools in my tool box is a 16$ temp gun. It can show where the hot spots are and IF??? the motors really getting hot.
  13. jerryjerry05

    1984 Chrysler Force 125 (1258x4a) no spark/weak spark on #3&4 cylinders

    I doubt he has a DVA?
  14. jerryjerry05

    1980 Chrysler Sea King 15 Overheating/Waterpump Concerns

    If the head gets so hot the water steams??? then somethings too hot?? The video shows the motor pumping out the back holes on the mid section. Get a heat gun, Harbor Freight usually under 25$ I don't think they put a thermostat in the smaller motors.
  15. jerryjerry05

    87 force 125hp high speed studder

    Run it.
  16. jerryjerry05

    Low Compression on Cylinder #2

    Right from Wiseco. The Wiseco rings won't fit the regular pistons.
  17. jerryjerry05

    Another Guy With Force 120 Issue

    Thermo. Is it any good?? Test it? Pan of water on the stove, turn the heat up and watch the thermo to see if it opens like it should? It's not in backwards? don't think it can?
  18. jerryjerry05

    1984 Chrysler Force 125 (1258x4a) no spark/weak spark on #3&4 cylinders

    outboardignitiondotcom has test procedures for your motor. Try swapping the packs around and see if the spark changes to the other plugs? The stator can test good but still be bad :(
  19. jerryjerry05

    Spark plug UL77V on 87' Force 85hp OB

    I always found they recommend UL18V for the 85/125 is most cases.
  20. jerryjerry05

    87 force 125hp high speed studder

    The port cover gaskets, even brand new can go bad with one backfire or studder. Do the starting fluid test? Glad its running good.
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