Rebuild your old carb, soak it, scrub it, and soak it again. For a known good brand rebuild kit, I believe Shindy are quite good. The big issue I had with mine was the needle valve wouldn’t seal/close properly, I ended up using a Moose needle valve which did the trick.
If you search this forum you’ll se MANY threads on carbs, and all will state NOT to buy any carb than OEM, the reason.... China! China make very poor quality carbs, 95% of them never working properly from new.
If you search this forum you’ll se MANY threads on carbs, and all will state NOT to buy any carb than OEM, the reason.... China! China make very poor quality carbs, 95% of them never working properly from new.