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  1. J

    Honda 9.9 Overheating Continued from April 7

    The bolts don't need grease but smear the grease inside the liner where the vanes will wipe and put a little on each vane arm end for good measure. Grease the outside of the liner so it will stick in the housing. Put the impeller in the liner while turning it counter clockwise. Make sure the...
  2. J

    Honda 9.9 Overheating Continued from April 7

    You are correct, those two tabs on the metal liner stick up vertically and engage the plastic cover. I don't know how the one would get flattened out like that but when someone's pet gorilla does the assembly I guess anything might happen. Your description of what that likely caused I would...
  3. J

    HONDA 9.9 FITS!

    Here's some comments about the accelerator pump and the "small metal bearing" that the OP saw fall out. I've written about this several times before and it's no big deal but just FYI for anyone interested. The accelerator pumps on these Keihin BJ and BG carburetors are totally useless junk...
  4. J

    HONDA 9.9 FITS!

    Very good news! Nice going getting it done. But.... Now you know that you have to be vigilant about the quality of your fuel. Check your tank and clean it if necessary. These carbs are EXTREMELY sensitive to ANY fuel contamination and heartache with breakdowns are in the future if you don't...
  5. J

    HONDA 9.9 FITS!

    Before you put it back together, test the accelerator pump delivery nozzle output. It's VERY important to the way this carburetor performs overall. If you spray cleaner into the tube feed while the throttle plate is wide open, it should shoot a stream 8 feet out the rear of the carb throat...
  6. J

    HONDA 9.9 FITS!

    Hi, Sorry you're having problems. Finding little to no voltage to the bystarter while cranking is normal. The bystarter is in "enrichment mode" by default and only requires voltage to "turn off" and lean out the mixture after the engine has started. In other words, no voltage to the...
  7. J

    Honda 225 Outboard Ignition Issues - Won't Start

    As usual, excellent advice from chawk_man. The jumper cable bypass trick is a good one. This may be premature and possibly not your cup O tea but I want you to at least know about it if things aren't going well finding the problem. There is an almost magical way that you can "see inside"...
  8. J

    Honda BF250 Oil Change Questions

    See if this looks right.... Items #.11 and 12 https://www.boats.net/catalog/honda/outboard/2007-and-later/250hp/bf250d-ucda-vin-bbnj-8000001-and-up/oil-pan
  9. J

    Honda 225 Outboard Ignition Issues - Won't Start

    Good point! High resistance due to a bad connection creates heat. That's why a thermal camera can be a big help finding trouble spots.
  10. J

    Honda BF75 "Making Oil" – Need Help with Thermostat in Cold Climate

    Well, my contribution to you was completely inappropriate because I misread your model and was thinking old 7.5hp model instead of newer 75hp model. My apologies So, I hope that you can believe me when I tell you that, in my opinion, Seloc, nor Haynes nor Clymer manuals are not a good way to...
  11. J

    Honda 225 Outboard Ignition Issues - Won't Start

    Not a dumb question at all. I have never worked on a 225 but the main ground junction for pretty much anything will be found where the negative battery cable end is located. There is usually a number of important ground wire eyelets stacked against it and, it is probably a bit difficult to...
  12. J

    Honda 225 Outboard Ignition Issues - Won't Start

    Hi, I think your observations on the lamps dimming and idea that it could be a ground issue is certainly valid. If all else fails, before taking it to someone, you might be money ahead to disconnect and clean the main ground junction under the hood. I would do the same for the main battery...
  13. J

    30 HP HONDA 4 STROKE GOING INTO LIMP MODE

    Does your green oil light stay on during the event?
  14. J

    30 HP HONDA 4 STROKE GOING INTO LIMP MODE

    Yeah, I hear you....super frustrating. But, I gave you some of my best guesses. I stole the phrase NEW stands for Never Ever Worked because it's true. They leave stuff loose at the factory sometimes. I even opened a bagged, brand new carburetor float bowl one time and it had a bunch of the...
  15. J

    30 HP HONDA 4 STROKE GOING INTO LIMP MODE

    Hi, My first thought is more of a question really.... .....is it actually going into limp mode or could it be that it's possibly dropping a cylinder intermittently? Check your emergency stop and ignition switch. Check all connections to the ignition coils. If that seems OK and connections...
  16. J

    Strange cooling problem with BF40A

    Hi, You might want to pull the intake screens off and make sure nothing like seagrass or seaweed or "other" is fouling the pump intake. If that looks ok, I would try unscrewing the fitting that the tell tale tube attaches to from the engine block. Put the lower end in a trashcan full of...
  17. J

    Honda BF75 "Making Oil" – Need Help with Thermostat in Cold Climate

    Yep, sorry....didn't read 2019...OOPS!
  18. J

    Honda BF75 "Making Oil" – Need Help with Thermostat in Cold Climate

    According to my shop manual there were 4 tstat temp ratings available when these first came out... Hi temp ....158° to 176°f... ...lift...3-4mm Medium....140° to 158°f... ...lift....2-3mm Original or Standard....140° to 158°f... ...lift...3-4mm Low temp...122° to 140°f... ...lift...2-3mm...
  19. J

    Honda 9.9 Overheating problem

    You're right. It should have been peeing water while running. Sorry, I missed "it ran 3 minutes" before. I only thought it shut down after 30 seconds. But, yes, 3 minutes shut down while seeing the pee stream slowly falling off would indicate a pump issue is more likely. The gas drain tube...
  20. J

    Honda 9.9 Overheating problem

    Hi perrylund, Welcome to the forum. First of all, I think you are wise making the decision to replace the pump impeller and the thermostat. 7 years is a long time for both of those even if they do still look good. Sounds like you boat in some very clean water or do really good flushes or...
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