What is the carburetor float height for my Honda CT90 / Trail 90? February 27, 2025 20:50 Updated Early CT90 K0: 21 mm Standard CT90 K0 - K8: 20 mm CT90 1978 - 1979 round float bowl: 10.7 mm Related to carburetor CT90 float tuning Related articles What are the carburetor stock size jets for my Honda CT90 / Trail 90? What is the fuel capacity of a Honda CT90 / Trail 90? What engine oil should I use on my Honda CT90 / Trail 90? Installing a Regulator / Rectifier on the Honda CT90 / Trail 90 What is the correct tire air pressure for my Honda CT90 / Trail 90?