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PostPosted: Thu Jul 25, 2019 6:47 pm 
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Joined: Thu Jul 25, 2019 6:38 pm
Posts: 3
I'm sorry I'm new and this may have been answered a thousand times. Can anyone direct me to a stock replacement carb for a 1983 fl250 Odyssey? Thank you


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PostPosted: Thu Jul 25, 2019 7:44 pm 
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Joined: Tue Jan 17, 2012 3:19 am
Posts: 7701
Location: Hope, B.C Canada
I will do that in a bit. When I get home. Will provide other info as well.


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PostPosted: Thu Jul 25, 2019 8:34 pm 
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Joined: Tue Jan 17, 2012 3:19 am
Posts: 7701
Location: Hope, B.C Canada
What's wrong with the carb you got ??

1) You can get a free pdf manual here: https://oddatv.com/wp-content/uploads/2 ... Manual.pdf

2) Parts book pdf below.

3) Pressure testing a two stroke pdf below.

4) Setting your pilot jet: How to set your pilot jet:
In my opinion this is the most important for driveability on an oddy. They are just a pain in the azz to drive if it is constantly stumbling and not taking off from low rpm. Setting the pilot jet requires one of those small induction tach's that you can buy on Amazon cheap. This is what I use: https://www.amazon.com/Runleader-HM032R ... ll+engines
1) Basically you just wrap that wire around you sparkplug lead
2) Set your air screw out to 1 1/2 turns
3) Start Engine and let it warm up if possible
4) Set the Engine idle as low as you can, but not so that it will stall on you
5) Turn the air screw out half a turn at a time and wait about ten seconds before you do it again. What you are looking for is the point where the Engine idle rpm does not rise anymore as you are unscrewing the air screw. If you are out more than 1 1/2 turns or less than 1 1/2 turns then you have to change your pilot jet. If your air screw is more than 1 1/2 turns out, this means you need the next
size smaller pilot jet. If the air screw is less than 1 turn out, this means you need the next size larger pilot jet. Change the pilot jet and redo this test.
CAUTION: You don't want your air screw to fall right out so don't go more than 4 complete turns out. At that point you will have to change your pilot jet anyways.

5) Carb -- you want a vm28 spigot mount: https://www.jetsrus.com/carburetor/carb ... eries.html


Attachments:
File comment: Parts book pdf
fl250 parts book.pdf [2.59 MiB]
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File comment: Pressure testing pdf
2 stroke pressure testing.pdf [314.03 KiB]
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PostPosted: Thu Jul 25, 2019 8:35 pm 
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Joined: Mon Sep 04, 2006 2:20 pm
Posts: 781
Location: Joliet, Illinois
Here is a start.....you can also check the keihn (sp) website.......cannot remember which carb is the original....

https://www.ebay.com/sch/i.html?_from=R ... r&_sacat=0


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PostPosted: Thu Jul 25, 2019 8:38 pm 
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Joined: Tue Jan 17, 2012 3:19 am
Posts: 7701
Location: Hope, B.C Canada
On a side note here you better verify your fuel pump flow rate.
You want 4.5oz in 10 seconds flow. Use a stop watch.
Low fuel supply is the deadliest and most common result of Engine poofkabooms and may only be second to shytty fuel octane when it comes to Engine death.
CO


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PostPosted: Thu Jul 25, 2019 8:38 pm 
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Joined: Tue Jan 17, 2012 3:19 am
Posts: 7701
Location: Hope, B.C Canada
Welcome new guy.


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PostPosted: Thu Jul 25, 2019 10:20 pm 
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Joined: Thu Jul 25, 2019 6:38 pm
Posts: 3
Thanks guys I'll read through your post. A coworker of mine asked me to get this running. I have no idea what might be wrong with it but the carburetor is in pieces. The rest of the drive train is complete though.


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PostPosted: Thu Jul 25, 2019 10:41 pm 
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Joined: Thu Jul 25, 2019 6:38 pm
Posts: 3
Is there a direct aftermarket replacement carb ?


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