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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc.

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Old 10-25-2019, 06:15 AM
Doc Brown Doc Brown is offline
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Join Date: Dec 2017
Location: Austria, Europe
Posts: 465

Originally Posted by barossi73 View Post
Hey it is only a 200! Lol
But heres a good starting point,
pilot 40,main 175,suzuki needle NECH #3,0-500m NZ
Needles are $20
NEDH will give you a half clip leaner (#2) or richer (#3) if your altitude/humidity is different
This! And if it doesn't react to a fully closed AS, whatever pilot jet is in there, it's time to take the carb out. Clean it thoroughly, check float height and needle valve then put everything together with above mentioned jetting. Set AS to 1.5 turns out as a starting point. Ride and see what it does.

It will never bee a torque monster though.

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Old 10-25-2019, 10:41 AM
Dennemw Dennemw is offline
Join Date: Oct 2019
Posts: 5

Thank you for the many suggestions. I did check the current pilot (38) and it is clean. I will pick up a couple of larger pilot jets to see if they help make a change with the Air Screw setting. If not I will take the carb off and look at the float setting. I may also consider the flywheel weight if that help at lower speeds. It is the XC so that may help. But I will figure out the air screw setting issue first. I will update with what I find out with the bigger pilot size tests. Thanks again.
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Old 10-26-2019, 05:48 AM
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RBrider RBrider is offline
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Join Date: Sep 2015
Location: Fla & NC mtns
Posts: 328

One other thing I'd check is the idle screw. Make that it is not turned in so far that the pilot and air screw circuits are by-passed.

It's possible the previous owner kept turning up the idle to overcome some other problem he may have been having, either real or imagined.

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Old 10-27-2019, 11:01 PM
Dennemw Dennemw is offline
Join Date: Oct 2019
Posts: 5

Update- I put in a 40 pilot and if I turn the Air Screw in all the way it will kill the bike. So I backed it out about 1 turn. I can't really ride it around my neighborhood so I will take it out in the next week to see how it does climbing and lugging. I did purchase a JD jet kit and currently have it with the red needle set clip from the top with a 172 main. I will test that out and see how it goes after getting a little bit of time riding it rather than loops in my driveway. I'll update with what I find out. Again thanks for the input and suggestions.
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Old 11-11-2019, 07:20 PM
Dennemw Dennemw is offline
Join Date: Oct 2019
Posts: 5

Update-Took the bike riding this past weekend. With the current settings it ran good. Thanks for the suggestion.

40 pilot
172 Main Jet
JD Red Needle 2nd from top.
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