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I installed a Kuryakyn Pro-Series Hypercharger with a Thunder Adapter the other week on my 2007 Vulcan 900 Custom. It's a fairly easy install and should take about 30 minutes to complete. I had the Kawasaki Dealer's Service Department check my work to make sure it was done correctly...and it was.

The Thunder Adapter for the VN900 is Part#40205A (This is a Hypercharger only adapter...please do not confuse it with the other Thunder Adapter for the VN900 (Part#20205B) which is for Thunder Air kits such as the Tornado, Hurricane, etc...
I installed the Kuryakyn Pro-Series Hypercharger Type-A, Part# KA-609421.

If you plan on installing a PCIII and/or new pipes along with the Hypercharger, then I would recommend that a Kawasaki Dealer do the work instead...since they'll have to properly map the PCIII to the Hypercharger and pipes.

Anyway, here are the Step-by-Step Hypercharger install instructions (10 photos)...Good Luck:

If the "How To" Instructional Pictures have disappeared from this Post....I apologize!! :oops: I accidentally deleted the pictures from my Photobucket account and can not find the pictures on my Hard Drive to upload again. :shock: I will keep on searching!
 

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trust in Him
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Great write up! This will really come in handy since I'll be getting mine within the next few weeks. Thanks!
What kind of a fuel processor are you using? I have the Fi2000 and I'm using it with my new Cobra Long pipes.
Thanks again!
 

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Thanks thats just perfect! I already ordered mine from Phat Performance. Its 1 week back ordered, but I am having fun with my Cobra Speedsters and PCIII. Wow my bike already feels incredibly more powerfull especially on the mid to high range! I used to have to open the throttle to keep up with the fast group! Now I am scared to open up the throttle.

BTW that stock aircleaner looks very restrictive to me. Such a nice intake with such a tiny hole for the outside air???? Also the fresh air comes from the rear of the intake (Warm Air) around the cylinder fins. Cooler air normally richens the fuel mixture increasing power. It looks like this bike has a great deal of potential.

I am surprised at how much the PCIII and Cobra pipes made a diff!
 

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You get an A+ for film production and narrative. Thanks from eveyone that is thinking about adding a hyper-charger to their 900. You have made their job much easier. Muchas Gracias, Amigo.
 

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You get an A+ for film production and narrative. Thanks from eveyone that is thinking about adding a hyper-charger to their 900. You have made their job much easier. Muchas Gracias, Amigo.
Film production? Where I would like to see a video of the Hypercharger on the 900
 

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Nice job, I didn't realize installation was so simple. Your write-up is grade A material, for sure!

Looking at the type A adapter, it looks as if part of the adapter obscures one of the intakes. I wonder how much this restricts air flow. No doubt it's still way more open that the stock. I'm still up in the air (no pun intended) about whether I want a Thunder Air kit or the Hypercharger. My main concern with the Thunder kits is riding in the rain with the exposed filter element. I know they sell rain socks, but I wonder how well they work. And that hypercharger looks sweet.

I'm assuming you put a EFI mod on to richen the fuel mixture. Did you have the bike dyno'd before and after?


-Jonathan
 

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I am also curious as to how those butterflies work. From what I can see when the bike is off the butterflies are wide open. When idling they close up and open as you increase throttle. Does this mean that vacume is decreased as the throttle is opened therefore allowing the spring to open up the butterflies?
 

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Riding to Stay Young
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I installed a Kuryakyn Pro-Series Hypercharger with a Thunder Adapter the other week on my 2007 Vulcan 900 Custom. It's a fairly easy install and should take about 30 minutes to complete. I had the Kawasaki Dealer's Service Department check my work to make sure it was done correctly...and it was.

The Thunder Adapter for the VN900 is Part#40205A (This is a Hypercharger only adapter...please do not confuse it with the other Thunder Adapter for the VN900 (Part#20205B) which is for Thunder Air kits such as the Tornado, Hurricane, etc...
I installed the Kuryakyn Pro-Series Hypercharger Type-A, Part# KA-609421.

If you plan on installing a PCIII and/or new pipes along with the Hypercharger, then I would recommend that a Kawasaki Dealer do the work instead...since they'll have to properly map the PCIII to the Hypercharger and pipe

Anyway, here are the Step-by-Step Hypercharger install instructions (10 photos)...Good Luck:










What a great posting! You should write service manuals for a living!
 

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Yes it beats following the instructions that come with the products. This will save me a allot of time. I can't wait to get mine!

BTW does anyone have a Map for the Hypercharger?
 

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Discussion Starter #18
Hey thanks everyone.
I just thought the instructions that came with the Thunder Adapter and Hypercharger were a little vague...and since I saw several posts about the Hypercharger lately...I figured why not make it easy for everyone. Plus, this should help some people that are currently considering upgrading their Stock Air Cleaner to something a little more exciting!

No...I'm not currently running a Fuel Management System (ie: PCIII or Cobra Fi2000R), however, I just received my Cobra Fi2000R via FedEx today and plan on installing it this coming weekend. I will also be installing Cobra Dragsters exhaust within the next few weeks.

I've been running the Hypercharger for about 2 weeks now (since the install) and noticed right away that it really wakes-up that 903cc fuel-injected V-Twin. Not so much at low speeds, but as soon as you give it some throttle...BAM! Your gone! It also adds a nice throaty rumble when you open up the throttle. Although...it's a good idea to install a Fuel Management system...it should smooth everything out and make it a little more responsive (not that it isn't already!)

To answer a few of the posted questions:
Yes, I did splice into the vacuum line and added the T-fitting. Don't remove any length from the vacuum line, just cut it and add the plastic T-fitting and then attach all of the hoses as pictured in STEP 9.

Yes, the butterflies stay wide open when the bike is off. When the bike is on and just idling...the butterflies are a little more than 1/3 open and vibrate slightly. The amount they open up depends on how much throttle you give it!

Again...Thanks everyone for the great responses!
 

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Alf not Elf
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What you did here is very professional and easily understandable can hardly wait for your next two productions install of the FI2000 and your new exhaust.:-D :-D :-D
 
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