carb needle? Q&A › Category: Tiller › carb needle? 0 Vote Up Vote Down Bob Kramer asked 5 years ago Would you have tecumseh 640246 high speed needle for a tecumseh tc 300 3175f (B) 8021 G tiller engine with a tillotson carburetor? Thank you. 1 Answers 0 Vote Up Vote Down Joe answered 5 years ago I do not and they are no longer available. You may need to replace the entire carb.