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Did someone know the OEM fuel pressure on a stock Sidewinder.....without the vacuum line attached..???.....43 psi...? And how about the stock regulator and MAP sensor over 16 psi...?

I have some questions to be solve before calling the good stuff from you ........ -I have two friends with 06 Apex stage-2; they want to perform their sled with a stage-3 blower this year (with C30-94 Rotrex blower); do I need to replace the blower housing ? ......and what about the...

Thanks folks for your advices............I think I'll begin with a oversized driven (STM)....

Maybe try an STM Tuner Driven Gen 1............with bigger diameter than the stock secondary........everybody have some tips or experiences with that kind of secondary...........wich diameter should I go ????

06 MPI Apex with some mods.........of sure

What kind of setup are you running ??? I've the stock primary and I'm not able to start at WOT (slipping occured every time with to much gearing ; if I put 120 mph of gearing I'm OK, but with 135mph I slip every time I start at WOT.....) 4 post clutch is the next step........what kind...

Need help !...........what kind of rotrex blower are in those kit : -Yamaha Nytro 180HP kit (from Yamaha parts website and made by MPI)...........C8 or C15 ??? -Yamaha Nytro Stage 1 kit directly from MPI............C15-60 ??? Maybe a good question for Matt.........I want the best set-up...

Thanks for the support Matt !............I'll try to fix it tomorrow (dec. 17th)...........they are no hoses in the kit (just a nipple....); is it normal ???............I want to keep the stock rad in addidtion with the MPI unit.....do I need some new hoses.....??? how long and how about the...

Thanks ''800THUMPER''..............I'll try to do my best on it tomorrow !!!

Thanks ''RXRIDER'' ; I've already post it on the Nytro forum.............but I've found nothing yet ......!!!

Thanks for the link, but it seems to be the Yamaha Kit and not the MPI unit ?

I've just bought it for a 2010 Nytro XTX ................but it came in a box from MPI without installation instructions; on the website of MPI I didn't found any instructions about it; does anyone have instructions or pictures of their installation ??? Thanks !

I've just bought it from ''2KOOLPERFORMANCE'' for a 2010 Nytro XTX ................but it came in a box from MPI without installation instructions; on the website of MPI I didn't found any instructions about it; does anyone have instructions or pictures of their installation ??? Thanks !

I've found the right part number (#DBY-MPISC-KT-00)..............Matt you're right ; those two last part numbers (#SMB-MPISC-TU-N2 / #SMB-MPISC-TU-N1) are gearing and clutch kits to fit a mountain or not version............ Thanks again.....

Hi Guys ! I would like to know exactly what's the difference between the sea level kit and the low elevation kit they are sold by Yamaha in Canada........(is it only the SC pulleys combo or they have a diff. in the GEMS controler version ???) Here is the part number in Canada : FX...

Motec M400 is your solution; contact Martin Filfe in Quebec (Precision Sports 1-450-821-9656). This will replace the OEM ECU and will give you the opportunity of play well with timing curve...............it's a standalone with datalogging ...........forgot about the GEMS and the...

Does anyone have tried the new Power Commander 5 with the autotune and ignition module on a supercharged apex ? I plan to fix one (MPI Stage 2 - 08 Apex) with it in few weeks...............

mbarryracing, I want to do hard trail ridding on pump gas (at sea level , so 13-14 PSI) and some times do some drags to have fun with a mix of race gas (50-50 premium and C-16) at 17-18 PSI..........for sure I will make mods on the engine to make sure don't destroy it (rods, studs, head...

Who have the best kit for my application ? (Most often I do trail riding at sea level on pump gas)............Nytro XTX 2011. Thanks to reply !

Anybody have suggest to venting hot air away from my Apex SC ???...........Timbersled, Moflow, SLP............???