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Mechanical Mechanical Forum - spinning bits and gyrating bobs

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March 27th, 2019, 06:19 AM   #11
Senior Member
Joined: Nov 2001
From: Ely, England

Posts: 15,539
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I Ride: Husaberg FE501e 2003
well it sounds like the original jetting yes but a 182MJ is ridiculously rich.

go back to how it was, check the slide and plate are the right way up. get an extended pilot screw and adjust that.

it really is simple!

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March 29th, 2019, 07:33 AM   #12
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Joined: Aug 2018
From: Watsonville, ca

Posts: 10
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I Ride: FE 550

Taffy- I was able to get in touch with the original owner of the bike. He said it was your jetting kit installed in the bike (which ran great up until it suddenly changed.
I found my notes from the tear down and cleaning:
idle jet 40
start jet 85? (its hard to see the stamp exactly)
needle jet 165 (now changed to 172)
idle-air jet 45
main air jet 155
The needle is brass it looks like but I don't have a size from it.

If this sounds like your kit for a FE550 then I need to know what setting I need for the clip on the needle. My hope, is to clean it again tonight and restore to your kit settings.

Sound rational?
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March 29th, 2019, 08:40 AM   #13
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Joined: Nov 2001
From: Ely, England

Posts: 15,539
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I Ride: Husaberg FE501e 2003
go back to the 165MJ.
fit a 40PJ.
clip 8.
PS to suit.

I know deep down it was mine. you didn't even notice that you had 9 clip positions!

if it ran fine before then it can run fine again!

all that can suddenly happen is that the slide plate cracked and broke off or it took in a piece of sand etc and blocked off one of the air routes in.

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March 31st, 2019, 01:01 AM   #14
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Joined: Dec 2011
From: Brisbane Australia

Posts: 141
Thanks: 92

I Ride: FE650
Originally Posted by chriscaris View Post
Bike seems fine other than under load in first gear so I was thinking more about carb issue than electrical

That’s usually what coils do. Faulty Coils will start fine, run fine and then start breaking down under load and will seem almost like a fuel problem. Fooled many a mechanic.

Also check the vent hoses on the carb.
Thanks from Vandor501

Last edited by Hoosaberg; March 31st, 2019 at 01:41 AM.
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1st, bogs, carb, dies, taking

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