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Jet pump size?

Waterbug13

Active Member
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Location
Indiana
Water Crafts
Sea food xp, Yamaha wave runner, sea doo challenger 210
#1
I have the 155mm on my 2012 210 and from what I have read few times the 159mm jet pump is the same just the wear ring is different is this correct? And if so can I bump mine up to a 159mm like the supercharged ones?
 


ski-d00

Well-Known Member
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Location
St. Marys, Ohio
Water Crafts
2012 RXPX
2012 GTR 215
2006 3D DI
2008 Challenger 230 430HP
#2
Yes, you can change the impeller and wear ring to the larger impeller but it will accelerate slower and have lower top speed. The impeller you have has been optimized to work with the 155hp.
 

Waterbug13

Active Member
Messages
115
Likes
15
Location
Indiana
Water Crafts
Sea food xp, Yamaha wave runner, sea doo challenger 210
#3
Yes, you can change the impeller and wear ring to the larger impeller but it will accelerate slower and have lower top speed. The impeller you have has been optimized to work with the 155hp.
Thanks for the reply, wasn't sure if it would help or hurt but figured someone has tried it.
 
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#4
I agree, unlikely to produce much if any benefit and has too much risk of performance loss if you don't select the perfect impeller.

Maybe if your pump and impeller were shot already, then do your homework carefully choosing the best impeller and be happy if the performance is at least equal.
 

Waterbug13

Active Member
Messages
115
Likes
15
Location
Indiana
Water Crafts
Sea food xp, Yamaha wave runner, sea doo challenger 210
#5
I have one that I have to replace the bearings on. But it's been in salt water before I bought it and I had to cut the reverse gate bracket off. I found a used set they just know what they came off of. I may take the gamble and buy them that will give me a complete set of pump asm.
 

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