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Old 08-15-2024, 06:42 PM   #16
bigdano711   bigdano711 is offline
 
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Join Date: Jun 2023
Location: Big Piney, WY
Posts: 541
Here's a tune for sea level on a CSC TT250:
Stock bike with emissions removed and a Nibbi PEZ28 carburetor fitted.

Idle jet - 38
Air screw 1 1/4
Maine jet - 115
Needle position 3



My bike @6800':
2023 Hawk 250
JFG Exhaust from Amazon
Thin steel head gasket from MotoCult


Nibbi PE28FL
Air/Fuel Mixture: 1.25 - 1.5 turns out
Pilot: 38
Needle: Keihin JJH middle position
Main: 105
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Last edited by bigdano711; 08-16-2024 at 01:23 AM.
 
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