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  • 1 Post By Idle
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December 11th, 2018, 11:01 AM   #1
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NOS FE 550e engine, need jetting recomendations

Long time no Berg...
See, my 650 got put up about 2 years ago due to knackered main bearings.

Anyway, I picked up a new spare engine on the Bay just got it out of the box yesterday.

So far it seems 100% legit. Numbers match the tag. Itís a 2008 FE550e engine.
Valves were adjusted properly, it was test run, the bore looks nice and smooth, the only sign that itís 10 years old, is a little surface rust on the exposed head bolts.

Came with a clutch master, line, and slave.
Starter, kickstart, and gear shifter as well.

This weekend Iíll be swapping it into my 05 FSE650e.

I just so happen to have an FE550, so I have the ignition box and 550 specific exhaust.

I Donít quite remember if itís the headers that are different, or the mid pipe is not the same as the 650.

Anyway, Iím after jets and a carb rebuild kit. If anyone has suggestions Iíd appreciate it.
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NOS FE 550e engine, need jetting recomendations-d67b57f1-5083-4ae6-9471-bae6d510384f.jpg  
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December 11th, 2018, 11:02 AM   #2
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I’ll try to get some better pictures up
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December 13th, 2018, 06:05 PM   #3
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I Ride: 2006 FS650e, 2007 FE550e, 2016 Ktm500Exc
Nice find Idle. I do believe the headers are different according to my 650 and 550.
Couldnít upload pics though🤔


pollo
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December 13th, 2018, 07:10 PM   #4
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You know
I saw the title and i thought that some mad hatter was going to hook NOS (nitrous oxide system) to their bike
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December 14th, 2018, 01:18 AM   #5
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well I do a jetting kit as you know but the jetting between the two is nigh on identical. you could go down 5 on the MJ and that wouldn't do any harm and you can get down to 42 on the PJ. this is with the standard needle. after that they are trouble. get a kit is the easy answer.

you were lucky to find that!

cheers

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550e, engine, jetting, nos, recomendations



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