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Won't start when hot

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art.kendall

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I have a Honda BF60 AKLRT. When I run it for 20-30 minutes and turn it off for 30-60 minutes, sometimes it won't re-start. It cranks, but no coughing and no start. After a while (maybe an hour or so) it will start and run fine. Replaced the kill switch, but still have the problem. Suggestions???
 
Hi Art,
I had hoped someone else would have answered you by now. That's a really wierd problem and I have only heard of something similar one other time (the BF 150 thread you posted to). As you may know I suggested that he check his fuel cooler but he hasn't posted any findings as yet.
He threw a lot of parts at it and states it does have spark but is still having the issue.

I'll ask you the same questions I asked him....

Will it run ok for an extended period of time?

No signs of overheating?

No alarms or warning lights?

What happens if you shut it off then try to restart after say 3 to five minutes?

I would say that you probably need to determine what's missing when it won't fire up...
....fuel or spark....to try to figure this out but I have no solution to offer.

Wishing you luck and I hope one of the smart kids here will chime in with ideas.

Good luck.
 
One thing I should also have asked is if you have tried pumping the primer bulb when it won't start. I know that you likely have but I just wanted to cover that base.

Often times a solution turns out to be something stooped simple so check the fuel tank, hoses, vent and pickup tube. Run it on a different tank and hose set if at all possible.

Sorry, I know this is very frustrating.
 
jgmo said:
One thing I should also have asked is if you have tried pumping the primer bulb when it won't start. I know that you likely have but I just wanted to cover that base.

Often times a solution turns out to be something stooped simple so check the fuel tank, hoses, vent and pickup tube. Run it on a different tank and hose set if at all possible.

Sorry, I know this is very frustrating.
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Thanks for your message. I will have my mechanic check for spark, if it has spark I will go on to check fuel system. I have pumped the fuel bulb, no luck. It runs just fine for 30 minutes or so when I first start it, but then when I stop it for a few minutes and try to restart it just cranks. Doesn't happen all the time.
 
Ok,

Well, if it has spark while it won't start then my best guess is still a possible vapor lock situation that will likely involve a fuel cooler or water circulation problem. But it's JUST a guess.

Good luck.
 
Hi Art Kendall, can you tell me what caused your problem? I am having the same problem with my Honda BF60A, runs and starts great 95% of time. Then I'll go to start it and it turns over but nothing, like the kill switch key not in. I replaced and now even disconnected the kill switch and still have same problem that 5% of time (last night fishing in middle of Long Island Sound with kids). Find after intermittently trying to start over course of 15 minutes or so it will then 'magically' start again. Engine runs great between these instances. Wondering if problem with fuel pump. Not throwing any warning lights and fuel pump bulb remains firm.
 
17Whaler said:
Hi Art Kendall, can you tell me what caused your problem? I am having the same problem with my Honda BF60A, runs and starts great 95% of time. Then I'll go to start it and it turns over but nothing, like the kill switch key not in. I replaced and now even disconnected the kill switch and still have same problem that 5% of time (last night fishing in middle of Long Island Sound with kids). Find after intermittently trying to start over course of 15 minutes or so it will then 'magically' start again. Engine runs great between these instances. Wondering if problem with fuel pump. Not throwing any warning lights and fuel pump bulb remains firm.
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There was a service bulletin (#85) on this problem. The fuel pump insulator needs to be replaced. If you have a good Honda mechanic he will find it. About a $300 fix.
 
I have had this same issue on a 2016 BF60 I just bought this summer, I have read on this forum and the FB groups of this fuel insulator (grommet) that needs to be replaced. I think I've read enough on this and I will tackle this fix soon. Does anyone have the actual Honda service bulletin sheet on this? I hope to record it and add it to my youtube page since I cannot find anything on there for a fix. I bought the Honda shop manual, I fix ATV's in winter so this should be no issue for me I figure.
 
jermbos said:
I have had this same issue on a 2016 BF60 I just bought this summer, I have read on this forum and the FB groups of this fuel insulator (grommet) that needs to be replaced. I think I've read enough on this and I will tackle this fix soon. Does anyone have the actual Honda service bulletin sheet on this? I hope to record it and add it to my youtube page since I cannot find anything on there for a fix. I bought the Honda shop manual, I fix ATV's in winter so this should be no issue for me I figure.
Click to expand...
The bulletin is 32 pages long, but the first page tells you what you need to know.
 
I just did this fuel pump grommet fix, thanks guys for the input. I made a youtube on what I did, hopefully it helps someone else with this issue.
 
Great video, did my grommet today, only problem is I didn’t take photos and have misplaced my shop manual, by any chance would you have a photo of the vst tubing and plastic clump locations
 
I know what you mean now, they were tricky for me to get back in the same spot, just look for areas where 2 hoses touch, then add the plastic clip in that area to keep them from rubbing.
 
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