Honda BF20 BF2A Outboard Motors Manual, Page 50Get this manual
BF2Oe BFSA WATER PUMP
[EXTENSION PLATE
Check for warpage or damage before installingInstall the mm bolt while holding the impeller cover holderMake sure the ex-
13] 121 12 rnrn
60-120 kg-cm
(4.4-8.7 ft-in)
141 WATER PUMP IMPELLER
The water pump impeller is keyed to the vertical shaft by pin that must be removed and installed beneath the impellerREMOVAL: 1Slide the impeller up the shaft to expose the pin, 2Remove the pin, and slide the impeller down, off the shaftINSTALLATION: 1Install the impeller on the vertical shaft with the impeller keyway facing downward
IMPELLER COVER HOLDER
2Slide the impeller up the shaft, and
insert the pin below the impeller
[lo] IMPELLER COVER
3Align the impeller keyway with the
pin, and slide the impeller down over the pin
4Seat the impeller in the pump liner