Re: Impellar advise
I've used both Sierra and OMC impellers with no problems either way.
I use mostly Sierra simply since they are what's locally available.
The nearest BRP dealer is over an hour away. I can get Sierra from the local parts store.
I change mine pretty often so it's not usually a problem. If I find a motor needs a whole water pump kit, I usually use an OEM kit but I normally have to order them, no one seems to stock them here.
I have never had a Sierra impeller fail but have had a few BRP impellers that didn't match or were superceded forcing me to buy a complete kit since they combined or updated the impeller to take a new or another part number.
Sierra still offers the original sized impellers for the correct year in most cases. If I go with a BRP impeller, I am often forced to change everything. Thats been the case with several 6hp and smaller motors.