Quote:
Originally Posted by TheRealSy90
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You really should fix it. See the shiny marks on the butterfly plate around the break? That's from it moving and scraping against the broken shaft. See the unbroken side? That additional signs showing the amount of movement the plate is having. Airflow around a butterfly plate is not smooth, so over time, the rest of the shaft will break, costing you a lot more in repairs.
One thing I've seen regarding the cause behind breaking the pulley shaft is the throttle cable positioning. It should not have ANY side loading when pulling on the pulley. NONE!!! That causes sideloading on the shaft. From what I can see in the pictures of the OP and your picture, there is misalignment of the throttle cable to the pulley. Go look at OEM setup and see how well aligned they actually are. It may look simple, but not keeping it aligned will cause problem.