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  1. K

    Aq130 help on replacing thermostat

    Is the engine overheating? The oil cooler is easy to remove and clean, you will need new “O”rings. If the pipes in the picture are not leaking leave them alone. Sierra part #s for the copper pipes if you want them. 18-0606 copper pipe seals 18-3890 oil cooler seals. 18-3539 thermostat
  2. K

    Stumped. OMC 235 HP I/O

    These are the part#s you need from Sierra. 18-3386 water pump kit 18-3731. Locknut 18-2185 water pump shaft 18-2667 upper seal kit 18-2183 pinion shaft 18-7198 “O” ring. Qty 2 of If you have a vise mount the case with the quadrant gear. Remove the 4 stainless bolts and remove the...
  3. K

    1978 Starcraft Holiday 18 I/O steering issue

    The quadrant gear is the gear that is attached to the upper gear housing for lifting the drive.
  4. K

    Aq130 help on replacing thermostat

    Are you talking about a fresh water cooled over head cam engine?
  5. K

    Water Pump Question - Alpha 1 w/Closed Cooling

    I have had similar situations and was able to route the water with some creative plumbing using some hard drawn copper pipe elbows sweated together from the hardware store. Glad Shawn could help he always came through for me and Marine Power are good people to deal with. I purchased quite a few...
  6. K

    1978 Starcraft Holiday 18 I/O steering issue

    The exhaust housing he should have is more stream lined than the one with the screen. However the marks are just rear of the rear vertical mounting bolt and there is a oblong slot that the bolt is in for left to right adjustment. You can try loosening the 2 mounting bolts and moving the tab...
  7. K

    Ballast resistor? why

    It appears from what you are describing you actually have a electric shift model not a 800. The resistor you are describing on the starter is actually a fuse. The epoxy is a sealant. There also should be one on the alternator. You can get what is called a fuseable link from NAPA in various...
  8. K

    Trim Pump Leaking

    It may only a leaking “O” ring that seals the pump to the reservoir.
  9. K

    Water Pump Question - Alpha 1 w/Closed Cooling

    Call Marine Power 985 386 2081. They will be able to answer your question and should have what you need. Ask for Shawn, tell him I told you to call.
  10. K

    1978 Starcraft Holiday 18 I/O steering issue

    Look at the rear of the exhaust outlet where it contacts the rear of the drive just above the bolt that mounts it.
  11. K

    1978 Starcraft Holiday 18 I/O steering issue

  12. K

    Overheating

    It appears that you have a Mercruiser , if not post a picture of the drive. I recognized the Holley distributor. I only have seen them on Ford/Mercruiser 302 models.
  13. K

    Couple of tips for reinstalling a Cobra drive....

    Good information and and really helpful Lou. When the Cobra first came out I re powered a customer’s boat. It took us about a half hour to finally get the drive mounted. The rear of the boot was holding the shaft back and we did not want to force the drive on since we were not familiar with...
  14. K

    Water Pump Question - Alpha 1 w/Closed Cooling

    I set up my Donzi with the belt driven pump and through hull style connected the drive pump with a “Y” pipe and a sea lever ball valve. That way the drive stays cool and using a ear muff flush out, it is easy to run the engine on the trailer. I have seen transom mounted pick ups and I believe...
  15. K

    1978 Starcraft Holiday 18 I/O steering issue

    Is the steering easy to turn in both directions when the boat is on the trailer In the full down position or in the water not running? If the steering is not binding then look at the marks on the rear of the exhaust outlet. There is 1 which is larger and usually is the best setting. If there...
  16. K

    volvo AQ125B overheating while on plane

    Look at the aluminum nipple that feeds water to the transom plate via the rubber hose. It is easy to change with a Allen wrench and a screwdriver with some patience. The other thing if the problem persists will be the “O”ring that seals the lower gear housing to the suspension fork. Tilt...
  17. K

    5.7 Volvo Penta Overheating at Idle

    Inside the thermostat housing there should be a small bypass port that that lets water circulate when the thermostat is closed. I have seen them to be either partially or completely plugged with corrosion causing a similar condition.
  18. K

    5.7 Volvo Penta Overheating at Idle

    What year and model drive do you have? how long has this been happening? When the temperature goes to 220 on the gauge does it ever go back down if you just let it idle? Do like AD said about using a IR temperature sensor.
  19. K

    1978 Starcraft Holiday 18 I/O steering issue

    Try to post a picture of your out drive. Stringer means the way the engine is mounted in the hull.
  20. K

    Carbed Mercruiser 260 5.7L Missing Above 4000 RPMs

    This is something else to check with a flush out. Start the engine then put it in forward, turn off the engine and push the throttle as far as it will go. Go and look at the plate where the shift linkage is, look at the shift interrupter switch with the lever and plastic roller, the roller...
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