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MC Xpress Snowmobile Turbo Kit for a Yamaha Phazer

Time:2012-11-05 07:45Turbochargers information Click:

Turbo Yamaha Xpress Snowmobile

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Turbo Kit - Yamaha Phazer 2007

NEW MC XPRESS TURBO KIT INFO


Yamaha Phazer Turbo Kit

 

Turbo Power from 80 to 140HP!

When we first heard about the new 2 cylinder 500cc 80 HP 4-stroke from Yamaha, we understood that this would be something really special. We have produced a fantastic Turbo Kit for this machine - order yours today!


 


Yamaha named it Phazer after the earlier model that was relived back in 1984. The old Phazer become a huge success, and no other snowmobile model has sold as many as this one. And after the success with the Apex, and the heritage

after the old Phazer, this must be a nice machine.The stock power was claimed to be about 80 hp and the weight very low. Even if the stock machine is very nice to drive, more power will make it even nicer. That’s why we started to develop a turbo kit to this snowmobile. Thanks to our close relationship to Yamaha, they let us borrow a sample of this machine very early so we could start to build some prototype turbo kits for testing. Click to enlarge the images below.

 

Yamaha Phazer Turbo Kit


Yamaha Phazer MC Xpress Turbo Kit

 

Yamaha Phazer MC Xpress Turbo Kit

 

Yamaha Phazer MC Xpress Turbo Kit

         

Yamaha Phazer MC Xpress Turbo Kit

 

Yamaha Phazer MC Xpress Turbo Kit

 

Yamaha Phazer MC Xpress Turbo Kit


The handling of this light machine is excellent! We put the sled on a scale and the weight was less than all of us thought. The power on this stock sample machine was the same as expected! The new Phazer engine is very high tech inside. The weight of the engine is also very low. The compression ratio must be lowered when installing the turbo to avoid detonation.

 

Yamaha Phazer MC Xpress Turbo Kit


We started to determine what model and size of turbo that was suitable. We made temporary exhaust pipes to make the switch between different turbos to go faster. If the turbo (or a badly designed exhaust header) creates too much backpressure the engine will not only produce less power. The engine will start to detonate much sooner and this may cause an engine failure.

 

Yamaha Phazer Turbo Kit


Fortunately we finally managed to find a perfect sized turbocharger from our favorite manufacturer Mitsubishi. Our goal was 100 kW (=136 hp) and we reached this power at 0,8 bar (12PSi). The best turbo we found is small and reacts very fast. It starts to boost at low rpm but it still doesn’t create lots of backpressure in the exhaust manifold.  

Yamaha Phazer Turbo Kit


The turbo and muffler is located under the seat. The weight is about the same as the stock muffler.

We made some tests with higher pressure and power, but we think a suitable level will be a turbo pressure at about 0,8 bar (12PSI). This will give just over 100 kW (= about 140 hp).

 

Yamaha Phazer Turbo Kit


Yamaha Phazer MC Xpress Turbo Kit

 

Yamaha Phazer MC Xpress Turbo Kit

 

Yamaha Phazer MC Xpress Turbo Kit

         

Yamaha Phazer MC Xpress Turbo Kit

 

Yamaha Phazer MC Xpress Turbo Kit

 

Yamaha Phazer MC Xpress Turbo Kit


The higher power requires a new setup in the clutch. We have tested and designed new clutch weights specially for turbo use to both the Phazer, Apex, RX1, RS, and RS Viking.
We make the new weights in house with our CNC-machines.

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