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FJowners.com > General Category > Yamaha FJ1100 / FJ1200 Running Problems > '84 FJ1100 - no power/run, off idle
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Author Topic: '84 FJ1100 - no power/run, off idle  (Read 536 times)
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sevie
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'84 FJ1100 - no power/run, off idle
« on: September 16, 2020, 01:07:47 PM »
First time starting this year. Ran good last year. Starts fine, choke works good, settles to idle after warm.  Shift into 1st gear, bogs when letting clutch out.  If I pull the clutch back in with throttle, it will continue running.  Throttle seems to work normal.  Ruined my day for a ride!!

What's most likely cause for me to work on?

Thx guys.
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'84 FJ1100 - no power/run, off idle
« on: September 16, 2020, 01:07:47 PM »
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FJmonkey
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Re: '84 FJ1100 - no power/run, off idle
« Reply #1 on: September 16, 2020, 02:29:24 PM »
Plugged idle jets. I run my bike at least once a month to prevent this.
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The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
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sevie
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Re: '84 FJ1100 - no power/run, off idle
« Reply #2 on: September 16, 2020, 02:37:57 PM »
Thx for the response.
How to fix? Can I dump suitable carb cleaner into tank?
Never had this problem in all the years I've owned the FJ.
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FJmonkey
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Re: '84 FJ1100 - no power/run, off idle
« Reply #3 on: September 16, 2020, 02:57:27 PM »
I have had some luck with seafoam. If the jets are partially blocked it may help. If they are fully blocked then they need to be removed and given a proper cleaning.
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The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side
sevie
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Re: '84 FJ1100 - no power/run, off idle
« Reply #4 on: September 16, 2020, 03:21:35 PM »
Thx again.  Will try Seafoam
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FJmonkey
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Re: '84 FJ1100 - no power/run, off idle
« Reply #5 on: September 16, 2020, 03:35:07 PM »
When I used the Seafoam I went for a long ride. I used the choke to keep the engine running. I ran a gear or two lower to keep the throttle in the position that uses the main jets so I could take the choke off at speed. Then I let heat and time do its job. I have also had this not work and pulled the carbs to clean them.
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The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side
FJowners.com
Re: '84 FJ1100 - no power/run, off idle
« Reply #5 on: September 16, 2020, 03:35:07 PM »
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