Boxxer 421 water pressure

Tony Soria

New Member
May 21, 2022
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Tony Soria
Hey guys i have a boxxer 421 and out of nowhere my water pump started pulsating and i have a bit of loss in pressure i checked the orifice clean them they where not bad at all, i look around and nothing obviously visible problem, so now im stumped any ideas??
 

Brandonp213

New Member
Aug 25, 2021
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Brandon puntin
Yea mine had this problem unscrew the 27mm valve caps on the pump pull each valve out and check for debris it can be done in about 15 min heres a photo of what I found in mine

As you can see this was keeping one of the valves from closing causing it to push water both ways making it pulsate
 

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