Looks like new impellers needed, Recommendations?

[Boboettinger]

one of my impellers is nicked up a bit so it looks like I will be changing both soon. If I go with Solas Concord, what pitch? should they be different or the same. I read conflicting things. Solas website only offers this
SOLAS CONCORD IMPELLER YD-CD-12/18 in this pitch.

I know some of you have done this so what did you go with? Boat and engines are stock and run great but I can only get about 42-45 MPH. Compression is fine and no other problems.

Also what else should I change when I have them out?

Thanks

 

[txav8r]

It definitely looks like a bunch of damage on those impellers. It may not be causing a huge loss of performance but it could be. Generally, the loss is because the damaged impeller introduces air into the nozzle and you lose due to cavitation. If your not experiencing cavitation, then I don't know if you would be increasing your performance much by changing them. I thought that boat was an over 50 mph boat, but I have not owned one of the 2 stroke boats, so I don't know which models were capable of that. I also don't know at what point different pitch impellers were introduced to get the engines rpm and performance together. Solas will know some of that, even if their website is different. What they may do is ship you the impellers and have you give them the results, agreeing to repitch one of them. Be sure to report back with your progress and results! And good luck with it!

 

[jdonalds]

In my opinion you're on the right track with Solas. I've had good luck with them.

 

[DCB-270]

I had Group K Solas impellers on my Exciter and LX2000. http://www.groupk.com/yjetboat.htm They use 12-18 and 13-19 to balance the engine rpms. They also bend the impellers depending on engine modifications.

 

[4x15mph]

Your other option would be remanufactured OEM impellers from SBT. They cost around $59 and you send in your old ones. I know you can't go wrong with the Solas upgrade but a $59 refresh option may be worth considering.

 

[bluejetvt]

I own an LX2000. Do you remember which side is which on the impeller pitches?

I had Group K Solas impellers on my Exciter and LX2000. http://www.groupk.com/yjetboat.htm They use 12-18 and 13-19 to balance the engine rpms. They also bend the impellers depending on engine modifications.

 

[bluejetvt]

I had Group K Solas impellers on my Exciter and LX2000. http://www.groupk.com/yjetboat.htm They use 12-18 and 13-19 to balance the engine rpms. They also bend the impellers depending on engine modifications.

Were those impellers from group K solas
YF-CD-12/18 & YF-CD-13/19 or were they the YD-CD series?

 

[DCB-270]

yes

 

[DCB-270]

Best to call them

 

[DCB-270]

I think the 12 is the port

 

[bluejetvt]

Thanks but I’m trying to cut my costs and they don’t seem to want to tell me the exact model [HASH=5]#[/HASH]

 

[DCB-270]

Stock ones will be off some. Group K takes the stock ones and bends them to get both motors the same rpm.