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  1. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Great Thanks!
  2. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Do you recall the fitting size that went into the block? Did you install a tee fitting so you can still use the removable plug for winterizing? Just getting all my parts in order. Thanks again
  3. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Thanks so much. I appreciate it. I’ll keep you posted once I get it installed. Happy boating.
  4. 6

    4.3L Carb Mercrusier Auxiliary Heater

    So what would you recommend for a supply line? I thought maybe adding a tee fitting to that sensor but don’t think that’ll be a good idea as you said the sensor is inside.
  5. 6

    4.3L Carb Mercrusier Auxiliary Heater

    So I see a temp sensor and an extra plug. Next to the sensor. So is that the one I use for supply and then the plug in the side of the water pump for return?
  6. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Is this what you mean? Lower plug on the water pump for return line and tee in a fitting on the right hose for the supply line. Or am I missing something? Thanks in advance.
  7. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Here are some more photos. Looks like I have 2 plugs in the water pump. I don’t have any thread seal out here so I didn’t pull that one plug out to check if it was dry or not. Not sure what to think about what hoses and plugs to tie into. Hmm
  8. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Hmm, I'm headed out to my lake this weekend. I'll have a better look and get some more pictures and report back. Thanks for your help.
  9. 6

    4.3L Carb Mercrusier Auxiliary Heater

    oh, how would I go about checking that? remove it and see if water comes out while running? or something else?
  10. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Yeah I’m just looking for a simple 2 vent one that I can run a couple hoses to the kids when they get out of the water. Being in Northern Alberta Canada the water doesn’t get that warm. Just need a heater to take that edge off. Thanks for all your help. Think I got it narrowed down. I’ll keep...
  11. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Sorry I mixed that up.... thank you so much for your help. Is there a certain heater you'd recommend? or are they all pretty much the same?
  12. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Thanks, my serial number is 0W669170 and I believe I have the plug on the top of the manifold there is a sensor on the other side to the left. I do believe I have the pipe plug on the water pump as well. Question is the pipe plug on the water pump for supply? and the plug shown in the picture...
  13. 6

    SERVICE MANUAL 2006 MAXUM 4.3L

    Thanks
  14. 6

    SERVICE MANUAL 2006 MAXUM 4.3L

    Thanks, sorry for the late reply, for some reason I wasn't getting notifications.
  15. 6

    4.3L Carb Mercrusier Auxiliary Heater

    I think I see the plug to the lower right of the spark arrestor. I do recall there being a spare plug on the water pump as well.
  16. 6

    4.3L Carb Mercrusier Auxiliary Heater

    I have the open cooling system. My apologies for some reason I'm not getting notifications
  17. 6

    4.3L Carb Mercrusier Auxiliary Heater

    Hello All, 2006 Maxum 1800SR3 Mercrusier 4.3L Engine Serial Number 0W669170 I am looking for a cooling flow diagram to see what ports I can hook up an auxiliary heater to? I want to ensure I don't disrupt the cooling system when installing the heater. I attached a screenshot of an auxiliary...
  18. 6

    SERVICE MANUAL 2006 MAXUM 4.3L

    Hello All, I am looking for the service manual for my 2006 Maxum 1800 SR3 4.3L Engine Serial #0W669170 Mine is a carb model.
  19. 6

    2.3L OMC Carb Questions?

    Thank you so much - I'll dive into it soon.
  20. 6

    2.3L OMC Carb Questions?

    Hello All - I got back from an unsuccessful trip to the lake engine would start and idle smoothly but when I put it in gear and throttled up there was no power and to me it seems like a lack of fuel. Note this carburetor was probably the dirtiest one I have ever seen and shame on the previous...
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