Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 330Get this manual
CAUTION Be careful not to touch the metallic part of the tester probe with your body, otherwise correct resistance value cannot be obtainedUse only the specified tester shown below obtain correct resistance value- Hioki tester: Model 3030 Read the tester manufacturer's operation instructions carefully before operation with the testerBe sure the tester's battery is fully charged and check the meter before using the testerThe tester needle can sway large and it returns slowly effected by the internal condenserWait until the needle stabilizes before measurement unit: Q