12a running rich need help

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Oct 27, 2022 | 10:22 PM

Chino.anthony

Thread Starter

Junior Member

Joined: Apr 2022

Posts: 7

Likes: 0

From: arizona

12a running rich need help

New to carbs(18) and rotary’s especially the 12a, my 83’ is running a bit rich. Can anyone help me with the carb/screws to change the afr? Location and what direction.

thank you

Nov 2, 2022 | 04:58 PM

chirmstream

Full Member

Joined: Sep 2021

Posts: 152

Likes: 51

From: Portland Oregon

New jets are available from mazdatrix. I’ve never used them but that’s the easiest place to buy them.

Don’t make any changes without a wideband o2 sensor.