2016 FJR 5 speed - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #1 of 21 (permalink) Old 09-20-2019, 01:45 PM Thread Starter
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2016 FJR 5 speed

Hi. I bought the FJR 1300 2016 5 speed model last year.
It has now done 9k and has started lurching at low revs, almost like fuel starvation or not firing properly.
The plugs are perfect and i put in a new air filter.
I noticed today i second gear when i throttled off and put just a little throttle back on it almost stopped.
At traffick lights you have to rev it and slip the clutch in case it stalls.
I went to Assen for the Moto GP in May and it never missed a beat. I did try some injector cleaner in with the fuel and it made it a tad better for a while.
Any ideas.
By the way i live in the UK, and not at altitude.

Many thanks
Bernard
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post #2 of 21 (permalink) Old 09-20-2019, 02:01 PM
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We don't have a 5 speed FJR for 2016 in the United States. Were they still selling a 5 speed version in the UK in 2016?

If you only have 9K, and I assume you are using kilometers instead of miles in the UK, then it sounds fuel related. I would be draining all of the gasoline and starting over fresh. Less than 9000 kilometers in 3 years sounds like stale fuel to me.
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post #3 of 21 (permalink) Old 09-20-2019, 02:35 PM
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It could be fuel as unleaded starts to go off after about 6 weeks, use it and fill up with fresh. Otherwise it could be the Throttle Position Sensor or another sensor. But work on the fuel first.

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post #4 of 21 (permalink) Old 09-20-2019, 02:42 PM
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Late model registration common in UK, 2015 model reg'ed as 2016. I'm not sure Yamaha had ever sorted fuelling on FI bikes. All yams ive riden with fi have had "stumbles" at constant low speed/rpm. Apart from a remap you learn to ride around it and replace the clutch..
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post #5 of 21 (permalink) Old 09-20-2019, 06:22 PM
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This might sound weird but check your battery connections and your battery health.
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post #6 of 21 (permalink) Old 09-21-2019, 03:02 AM Thread Starter
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Dear all.
Thank you very much for your replies.
No it is miles, we dont use kilometers in England.
I have replaced the battery. I dont think it is stale fuel as i did 1,000.00 miles in 3 days going to and from the Dutch Moto GP.
The funny thing is i didnt have any problems in Belgium, France, or Holland.
It was low mileage when i bought it. It came from Wales where it rains a lot.
Thanks again.
Kind regards Bernard
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post #7 of 21 (permalink) Old 09-21-2019, 04:49 AM
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I had a 2008 model that suffered this way, eventually not starting at all. I’d bought it when it was a couple of years old and it evidently had been left outside over winter (UK winters are extremely wet) albeit covered so as to protect obvious parts. What seems to have happened is that the dampness seeped into the electrics with the result that, to quote the dealer, the wiring harness was ‘knackered’. He ended up just replacing the whole lot, though I daresay judicious cleaning would achieve the same result.
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post #8 of 21 (permalink) Old 09-21-2019, 05:48 AM
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have you only filled up once since back in uk? are you running 95 or 98 ? as said it could be electrical, maybe bad earths, they do suffer the earth spider issue and if its been outside could be related.

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post #9 of 21 (permalink) Old 09-21-2019, 10:35 AM
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Quote:
Originally Posted by Dubfjr View Post
Late model registration common in UK, 2015 model reg'ed as 2016. I'm not sure Yamaha had ever sorted fuelling on FI bikes. All yams ive riden with fi have had "stumbles" at constant low speed/rpm. Apart from a remap you learn to ride around it and replace the clutch..
With the advent of the Series III bike, MamaYama seems to have solved the EFI fueling issues. From desert flatlands to mountains, mine has worked flawlessly.


Before they finished construction of I-35E through Dallas recently, I got caught in "rush-hour" (why do they call it that?) traffic while returning from Houston. Twice, it took me over an hour to cover the last 10 highway miles. Aside from really wishing I had a 2016 S&A clutch, the EFI worked perfectly.
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post #10 of 21 (permalink) Old 09-22-2019, 09:25 AM
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I have owned a couple of Yamahas where the fueling was not perfect, the Super Tenere was one. My’14 FJR is a s close to perfect out of the box as you can get. I know fuel mapping is different in the US than in the EU as a stock R1 there makes more horsepower and has a smoother throttle than here. At least that was the case before Euro 4 maybe now they’re all the same. Regardless it has nothing to do with Studiomaster’s problem as the mapping in the bike didn’t change between trips.
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