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Discussion Starter · #1 ·
I have a 2 up 900HO Sea doo spark looking into some performance upgrades wondering if id be better off with prop and exhaust air filter etc mods instead of tuning the ski as I have read that the difference between a tuned spark and the 90 HO model was not as noticeable?
 

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The performance Mods do not seem to be doing as much as people anticipated?
The Wide hull (46") vs 41.5 for old XP,s is One factor and the pump processing water seems to be the other. I Have the 90HO and am Not considering any mods Until the end of the season when more people report on their individual results AND Brp announces the New 2015 Spark in September.
 
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With the Bosch ECU , u won't gain any gains with any mods till u reflash it..

Soon as the stock ECU picks up any extra torque or rpm it will pull back the throttle ..

The 90hp works well but the tune is better with some free mod tweaks ...
 

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Discussion Starter · #7 ·
So I can not add any upgrades without flashing the ECU?




With the Bosch ECU , u won't gain any gains with any mods till u reflash it..

Soon as the stock ECU picks up any extra torque or rpm it will pull back the throttle ..

The 90hp works well but the tune is better with some free mod tweaks ...
 

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There seem to be some posts that the solas impeller will help without the tune. It improves acceleration from 45-50 mostly IIRC.
 

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Discussion Starter · #10 ·
>

so adding something like the waterbox and rear exhaust along with the intake grate and everything else it has to be tuned first?
 

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i oredred th v-tech tune 18 days ago no reply from them but they have charged my credit card any one else with this time lag
Where did order the vtech unit from? Why don't you just call them up and ask about the order status and demand a tracking number thats what I would do.
 

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Where would I be able to order a V-tech tune in the U.S.? I would rather order it locally or at least in the U.S.. Thanks!

2015 sea doo spark 2up 60HP
 
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