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1992 Yamaha FJ-1200 ABS does not want to idle when hot. Splutters, misfires and dies.

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  • Author
On 2/17/2025 at 6:46 PM, Snakebite68 said:

If you're only just figuring that out, this must be your first bike

First bike .............. tsk, tsk, tsk 🤣  you were still in diapers when I  .......  nevermind. 😂    

 

  • Moderator
23 hours ago, DutchFJ1200 said:

First bike .............. tsk, tsk, tsk 🤣  you were still in diapers when I  .......  nevermind. 😂    

 

Don't be so sure, I'm older than I sound! 😛 lol

Where as.....I'm older than I look!!😂

  • Moderator
2 hours ago, NE0 said:

Where as.....I'm older than I look!!😂

I used to be older than I looked, but then I got fat and bald! rofl

  • Author

Right then, I now know why a bike shop doesn't want to put a 4-barra carb back on a bike.

I literally had to stop a few times and walk away to prevent things flying through the garage or breaking something on the carb or bike. I wish I could light a fag or something but gave that up 5 years ago. Enough frustration to start again tho.

Putting the throttle cables back on for a start, keeping various vacuum hoses connected and where they are supposed to go, and then the 'piece de resistence' lifting the rear subframe back in place while trying to fit the air box boots on the back of the carbs.

My paws are way to big to fit in all those nooks and crannies to make everything go back to where it is supposed to be.

BUT, I got there in the end, didn't break anything and haven't got any bolts or nuts left.

BUT you wanna know the punch line from this saga ........ took it for a test drive. I does run like a sewing machine and smoother than it did before ...... came back and parked it in the garage and left It running on idle ....... SPLUTTER, PFFFT, SPLUTTER PPPPPFT, SPLUTTER, BANG, PFFFT ... 🤮

Still got the bloody missfire on 2

Valve clearances next I guess. 😪

  • Moderator
On 2/22/2025 at 5:13 PM, DutchFJ1200 said:

BUT, I got there in the end, didn't break anything and haven't got any bolts or nuts left.

It's always nice when you don't have any spares! :D

Thought that was going to be a happy ending!! 🤣

  • 3 weeks later...
  • Author
On 2/26/2025 at 6:55 PM, NE0 said:

Thought that was going to be a happy ending!! 🤣

F*ck no, it gets worse.

So my one-man-band guy in his garage is pretty swamped at the moment so he said try this other shop, a bit further away, and tell them I sent you. They have a bigger shop, more staff, and they are pretty good.

Soooooo, I contact them, told them the bike's life story up until now and what we replaced and tried to achieve.

Guy says ..... I'm not going to fix someone else's problems only for you not to return ...... so you can F8ck off. (not in those same words but you get the gist 😱)

I am seldom lost for words but ..........

back to my guy I guess but it won't be quick.

  • Moderator
17 hours ago, DutchFJ1200 said:

Guy says ..... I'm not going to fix someone else's problems only for you not to return ...... so you can F8ck off. (not in those same words but you get the gist 😱)

I'm not normally a 'name & shame' person, but that's terrible!
And I'm not sure on our rules for that either... So probably better not to.

But the point is, it doesn't matter how many people have 'had a go' with it, it's work, and if he can fix it, it just shows his skills.

What I'm reading out of that is: "I'm not a proper mechanic, am crap at diagnostics and can only swap out parts hoping the problem will go away." (which is partly what you've been doing, but he's supposed to be the professional!).

  • Author

My guy already agreed to take the bike in and swap tyres, that I bought and are in his tyre rack, and then do a pressure test.

Then I'm sure I can talk him into valve clearances if that needs doing. I just have to be patient.

Weather was lovely last few days. Drove it to work, morning is fine, afternoon filtering through traffic on the way back and timing the traffic lights, so I can keep going, things are not too bad. Never knew there was a thing like traffic light idling anxiety 😉

  • Admin

Wow that's shocking, obv he doens't need new customers.

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