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Old 03-12-2023, 02:18 PM   #11
Texas Pete   Texas Pete is offline
 
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Join Date: Nov 2022
Location: Dallas TX
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Quote:
Originally Posted by Chienmin Su View Post
The engine ran a little lean, can I adjust the screw in blue circle to change air/fuel mixture. It's in a weird angle to stick a straight flathead screw driver and is very tight. Should I use a right-angled screw driver to turn it? Thanks again!

No.


Blue is the fuel bowl drain screw. You use that if you won't ride the bike for a few weeks. With the petcock closed you can open the blue and drain out the gasoline so it does not dry and varnish the insides of the carburetor parts.



Air/Fuel is hidden behind the aluminum welch plug. You need to drill it so you can get the tip of a screw to bite into the aluminum then pull/tap it out so you have access to the screw hidden under it.


Air/Fuel is only for idle mixture adjustment. To get rid of lean you will need to rejet the carburetor to jets with bigger holes in them. While you have the carburetor open you might as well shim the needle as well. Check the Templar Resources Thread for details on that.


https://www.chinariders.net/showthread.php?t=32177
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2022 1/2 Templar X 250
- 6 gear model
- 13 Front / 40 Rear Sprockets
- #42 / #120 Jets
- 1mm thick nitrile O-ring needle shim (removed)
- Kenda K761 Dual Sport Tires
- Sedona Standard Thickness Inner Tubes
- Stock OEM battery, carburetor, spark plug still going strong
- https://youtu.be/dhAYEKH-jFQ

  1. Texas Pete's Templar X 250 Torque Specifications Sheet
  2. Texas Pete's Engine Displacement Calculator
  3. Texas Pete's Tire and Rim Compatibility


 
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