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  1. cooter2506

    exhaust water shutters

    I have to replace the water shutters in ,my exhaust but cant seem to find the correct part number. The one on the shutter itself is 807166-2. Anyone know the correct number to order. Thanks in advance:D
  2. cooter2506

    Exhaust riser temp?

    How hot should the exhaust risers get. I have a 1998 5.0litre with two barrrel carb. Engine temp is right where it is supposed to be according to my manual. Dash guage reads 160-180. manual says that thermostat is fully open at 185 and fully closed at 155. I have an infared Thermometer to check...
  3. cooter2506

    New hardware?

    I have an Alpha one generation one drive. Prop that was on boat when I purchased it was a 48-7812-A20 19 P. I want to change it to a rebuilt Michigan SSO-649-C 14x 19. I removed old prop and when I used existing hardware the prop gets real tight you cant turn it. Can anyone tell me what for new...
  4. cooter2506

    Tach is too high

    I have a 5.0 Mercruiser 1998 and my idle is set for 700rpm but my tach reads 1300. tach moves when you give it throttle but I want to replace the tach. I picked up a tach but it said ot to use it on Thunderbolt ignition. Any one knoe of a good tach that I can use.
  5. cooter2506

    Boiling noise

    Took our first boat out for the first time yesterday. 1988 chaparral 198 xl witha 1998 5.0 with two barrel. Started right up but couldnt give it much throttle till it was warmed up. My tach reads 1300 at idle. Marina got engine running earlier in the month and sete my idle at 700 using shop...
  6. cooter2506

    tach problem

    I just got my boat back from the shop where they put on a new igition module and timed the engine and adjusted the carb. Now my tach on the dash reads about 1100 at idle. Any way to check tach for accuracy. I did check the potentiiometer in the back and it is on 8cyl. Mercruiser 5.0 if that...
  7. cooter2506

    is water here normal?

    I was just running my boat again it is a 5.0 mecruiser with a Alpha one drive. I am getting water out two holes at the bottom of the gimble housing. Is this normal or should the water be coming thru the prop? Sorry if terms are wrong but im very new to this boat stuff
  8. cooter2506

    Don Guess what?

    I dont know if you remember but I was haveing problems with my 5.0 Mercruiser backfiring thru carb a few weeks back. Well I finally had time to look at it again over the past weekend. Timing was way off but waht I didnt realize was I was losing spark after trying for a little while. DUH!! here...
  9. cooter2506

    Shift interupter

    I adjusted my shift cable as per manual. 6". But when i shift (engine not running) Switch does not activate. Am I missing something. Engine is a 98 5.0 mercruiser.
  10. cooter2506

    Trim cylinder bleeding

    I just replaced my trim cylinders on my 1988 Chaparral 198xl. Ive run them in and out quite a few times and the Oil is very milky. Should the oil be changed or is it air that needs bled out?
  11. cooter2506

    Dumb question time

    I have a 5.0 mercruiser 1998. I have been looking at this forum for about a month and everyone is saying the choke should be closed when starting. Is this opposite of what a car does? And yes my boat does crank now. It was more out of timing than I expected. thanks all for your help on that one.
  12. cooter2506

    5.0 backfiring thru carb

    5.0 Mercruiser 1988. I haev backfiring thru carb. Timing is close. Use the thumb over the #1 cylinder method. New cap, rotor, plugs and wires. It has Thunderbolt 5 Ignition system. Not sure what it could be. Rotor is at #1 cylinder when at tdc so im confused. Any suggestions?
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