Sources
KeiFit is a decision layer. Evidence types are stored per fitment row in data/fitment.json.
- Japanese battery fitment tables for Acty HA6/HA7 (MT vs AT JIS sizes)
- Published JIS outline dimensions for 28B17L-class batteries
- Mini truck forum consensus on Acty plugs (BKR6E-11) and Hijet filter threads
- Specialty shop OEM listings for Acty / Carry oil filter families
Conflicting evidence is preferred over silent guessing. Thin rows stay at check_chassis or unpublished.