Cr125 pwk36 jetting

minton33
Posts
52
Joined
4/10/2024
Location
Big Clifty, KY, USA
Edited Date/Time 3/26/2025 7:12pm

I ordered a 36mm screw top pwk. So I’ve seen some posts about random years cr jetting with a 38mm pwk. But haven’t seen anything for a 2002 with a 36mm. 

Being as the stock jetting varies wildly depending on the years I’m curious if anyone with a 2002 has put a pwk on and what jetting/needle ended up with.  Doesn’t have to be a 2002 or a 36mm, any advice on a starting point would be appreciated. 
It currently has a #7 slide, cek needle 170 main and 52 pilot


Really just curious on where I should start so I can get a needle/ jets ordered

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minton33
Posts
52
Joined
4/10/2024
Location
Big Clifty, KY, USA
3/31/2025 1:06am

No one?

SmokinJoe439
Posts
2406
Joined
3/7/2012
Location
Renton, WA, USA
4/1/2025 12:28am

I would copy whatever the guys used with the 38mm setup. The #7 slide should be good for the 125. The most current 125 using a pwk 36mm is on the beta 125's. 

minton33
Posts
52
Joined
4/10/2024
Location
Big Clifty, KY, USA
4/2/2025 7:43am
I would copy whatever the guys used with the 38mm setup. The #7 slide should be good for the 125. The most current 125 using a...

I would copy whatever the guys used with the 38mm setup. The #7 slide should be good for the 125. The most current 125 using a pwk 36mm is on the beta 125's. 

Thank you

4/10/2025 7:30am

My 04 cr125 JM racing engine with a diff carb taper bore runs perfect.  Not sure if u ever rode 1 but it was super finicky b4 engine mods.  Now it runs super clean bottom to top & super strong pull.  

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