Honda Outboards BF40A/BF50A Service Manual, Page 111Get this manual
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HONDABF35A45A PUMP BODY 1.0STANDARD 50.15-50.18 mm (1.974-1.975 in) SERVICE LIMIT 50.20 mm (1.976 in)
OUTER ROTOR-TO-BODY CLEARANCE
STANDARD 0.15-0.22 mm (0.006-0.009 in) SERVICE LI