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Caught a spy pic and video of the 2011 Apex SC...

I noticed my supercharger started making a louder than normal whistling noise a while ago and yesterday it stopped making boost. Still spins and the bearing are fine just won't build any pressure. Anyone got a stage 2 or 1 laying around while I send this one back?

anyone know what degrees yamaha helix 8BV91 is..

I had to remove the my supercharger from the sled for some maintenance and most of the oil spilled out when the oil lines where disconnected. I reinstalled the supercharger and oil lines but I'm sure the charger should be primed before i start running it. The oil tank is lower than the...

i was told it's a short, anyone know more? looking for link to more info. onrof@yahoo.com

ok, last week running around with my buddies just built 2003 rx1 rear mount turbo. runs fine around 7 lbs. then the next day we turn the boost up to 16lbs and on the 3rd 1000ft run it spews engine oil out the engine vent tube all over the clutches etc. We bring it back to the garage and clean it...

I have an issue with my rx1 turbo getting hot running high boost. hot enough to fill the overflow bottle with antifreeze and sometime all over my leg. Back in the two stroke days I always just pulled the thermostat. Anyone pulling thermostats on these boosted 4 strokes or do they get too...

I see some guys say they have a 24 tooth sprocket on their superchargers. The gates catalog only shows 22, 26, then 30 tooth sprockets. Anyone know where I can get my hands on a 24? Also, what sheeve is used? model #? they all look so similiar and my local gates dealer is as confused as I...

does anyone know which sprockets (# teeth) combination needed for the Apex stage 2 Mountain Performance supercharger to achieve 10lbs, 14lbs and 17lbs? I think I have two 22 tooth sprockets to make 10lbs boost. Also what fuel system modifications are best for the fuel injection system for...

Finally got the new pulleys for my stage 2 apex kit. It consists of 2 pulleys and a new composite supercharger belt. This is supposed to make 14lbs now. MPI says max on the stage 2 is 17lbs and requires 2 different pulleys the new belt and a new auxilliary fuel pump. I've been stuck at...

The 07 Apex featured a radiator w/ electric fan and a rear heat exchanger... now it looks like someone deleted the exchanger off the yamaha site! (from the apex features page) "Radiator/Heat Exchanger In order to generate consistently-strong engine performance in any condition, all Genesis...

Just finished the install of the MPI Supercharger set at 10 lbs on the Apex, wondered what EFI settings others are using (step by step) and clutch setups on flatland. I'm in Michigan. PS Make sure you buy the stock crankcase gasket before you start the install since it tears when you pull...

has anyone checked under their rx1's and found the ski keels are a certain height? I have a 03 and 05 and they are both somewhere around an inch, My friends 03 and another's 04 has a higher keel height, probably 1 and a half inches. I've also found I don't like how their sleds steer with the...

I have a 2003 Bender stage II Turbo that I always drive on high boost 11 lbs, it's been bullet proof. I ordered up a monoshock for 05 but my brother told me he would buy it so I let him and it's still stock, I'd like to build another for 06 and really want to drive the CPR, anyone going to be at...

I'm searching for a discontinued Weisco piston for 1995-1997 Vmax 800. stamped 2360ps on top and stamped 2359 underneath. It is a stock bore replacement. Hoping someone may have it sitting on a shelf or drawer. I installed them in my sled 5 or 10 years ago and need a replacement without having...

No, I didn't burn down...yet. Was wondering on the stage two turbo, for low boost they say to run the 700 main jet in the vent charge tube. Are we supposed to always change to the 400 main jet when we run high boost.? My sled runs 8 low and 12 high boost and I have never changed it in two...

what is an ecp kit and what does it cost and does it work.

I keep reading about everyone having a ECP kit. what is it? does it work< will it make me faster? how much is it? I have a bender turbo and never heard of it and my brother has a 05 and is still deciding.