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Old Yesterday, 06:42 PM   #16
bigdano711   bigdano711 is offline
 
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Join Date: Jun 2023
Location: Big Piney, WY
Posts: 526
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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2023 Hawk 250 from XPRO off of Amazon
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Last edited by bigdano711; Today at 01:23 AM.
 
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Old Yesterday, 07:10 PM   #17
superjocko   superjocko is offline
 
Join Date: Aug 2022
Location: Lincoln CA
Posts: 125
This thread has quite a few posted set-ups, including my own: https://chinariders.net/showthread.p...light=database
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-2024 CSC TT250, stage 3 motocult kit, Nibbi PE28FL with custom-made cable controlled choke, modified stock muffler (larger diameter tailpipe), custom oil cooler installation with relocated stock evaporative emissions canister, oversized stainless steel footpegs, IMS folding tip shifter, a few little blingy bolts and bits. More personal preference mods to come.


 
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