Quits pumping water

[crappie_man]

i just bought a 1971 20hp 20r7

i just bought a 1971 20hp 20r71f johnson runs great but quits pumping water when it gets to full thottle but pumps at idel speed could this mean i need a new waterpump

 

[joereeves]

"Yes, I would strongly suspect

"Yes, I would strongly suspect that the water pump is failing.

When time permits, visit my store (copy/paste) at: stores.ebay.com/Evinrude-Johnson-Outboard-Parts-etc?refid=store"