2 different carb covers for those motors, 1 is cheap and 1is not. And I do not believe the needles are interchangeable. There is also an update kit that comes with both needles. The kit is pricey
0433973
I use these
https://www.amazon.com/s?k=ctek+charger&hvadid=616863174213&hvdev=t&hvlocphy=9019049&hvnetw=g&hvqmt=e&hvrand=16796597928498963057&hvtargid=kwd-2535377603&hydadcr=24663_13611861&tag=googhydr-20&ref=pd_sl_4oayn7jj16_e
Depending how Mechanical you are, Buy some Luma weld rod and fix the stud mount. Make sure it is not cracked into the crankcase. Common for those to be broke