2015 KMS Turbo System Line up

KMS · Oct 6, 2014

KMS has released the 2015 line up including turbo systems and parts.

This now includes over 7 manufacturers. Most models have options for either for front or rear mount kits. More power, lighter weight. More options including ball bearing turbos, knock sensor, pump gas pistons and much more.

Check out the listing here https://www.kmsperformance.com/shop/custom.aspx?recid=1

Kelly@KMS
KMS Performance
602-442-4340
info@kmsperformance.com

Ken Climb · Oct 9, 2014

Has a anybody on here tried the rear mount on the newer yamy 450's? What do you guys use as a fuel controller?

Just bolt up and go? 100 ll and approx how much boost? Altitude compensating?
What else is needed for hard core, Deep snow mountain riding?

mnsnowhawk · Oct 9, 2014

This guy makes some nice kits.

KMS · Oct 10, 2014

The rear mount on the YZ 450 is an awesome setup for deep snow. It gives you the big area horsepower of a traditional front mount, however the weight of the turbo itself is in the rear of the bike. Boost comes on instantly at rpm's as low as 3500. We use a power commander based system and it is integrated with auto tune that will offer a very high resolution map that adjusts for altitude, riding conditions, changes in load (like hard pack vs deep snow) and even riding styles...most importantly it is a very "hands free" fuel system.

Our kit will give you everything you need to "bolt up and go" including gauges, auto tune, head studs, blow off valve, and much more. The only thing that will need upgrading is clutch. We offer a lockout clutch, a complete turbo app rekluse, or (for those who have a rekluse already) the upgrade kit for the rekluse.

On stock compression, 100 ll will work up to about 12-13 psi. As far as hard core deep snow riding, the base system is very hardcore...However, we do have options that will push the Yamaha well into the 120 hp category and serve you year after year.

summitboy · Oct 10, 2014

Can u talk about the torque your turbo kits make ? The turbo kits don't seem like they make a lot of torque for the amount of hp being made. 40 ft lbs ? Seen some as low as 33.

allpowersports · Oct 10, 2014

From KMS web site,

JhhUD2RlU9gPGmHCxzncLXNyDMQe9AwSvgNPQgjtjM9bePoTkEP5LP2uqCW5Sx0P

KMS · Oct 10, 2014

When we design the layout of the system our goal is to match or surpass the stock hp with torque. For example, if the bike makes 45 hp stock, we need to make at least 45 ft lb torque at 10 psi of boost. This target ensures that system efficiency is high and the marriage of the turbo and engine will last. Check out this KTM 450 dyno and you will see that the bike made 47.6 hp stock and the turbo version at 10 psi made 49.6 ft lb (more torque than the stock hp).

KMS · Oct 13, 2014

Coming soon to KMS is the Big Bore upgrade to the KTM turbo bikes.

We have found solutions to fill the KTM Big Bore void on a turbo level. There are a handful of KTM big bore suppliers, however there were 2 problems we needed to tackle prior to offering this equipment within our KTM line. The scarce inventory of the pistons and cylinders, waiting 3 to 4 weeks for parts during snow season was not acceptable in our book. Another issue, was the selection of available compression ratios for these kits were often too high for turbo applications. We have overcome supply issues, enhanced the cylinder structures, manufactured appropriate compression ratio pistons, and now we are ready to put them to the test! We are assembling a KTM big bore turbo bike right now for endurance testing and will be posting the progress of this build.

KMS · Oct 15, 2014

Here is the build:

We hunted down a used 2014 KTM 450 SXF that was used for local mx racing. Overall the bike was in ok shape, however the bike only made 43hp on the dyno, about 5hp shy from stock. Clearly this bike is tired…but we’re going to fix that.

Specs for the build:

KMS Front Mount Turbo System
KMS 102mm big bore kit @10:1 compression
And many step by step upgrades.

We want to push this new big bore very hard to stress test the capacity of the cylinder structure…so, the first upgrade that was selected was Boring the Throttle Body.

We disassembled and precision bored this throttle body to a +2 and undercut the shaft for additional flow. This will provide more airflow to the head and increase horsepower through efficiency. The new throttle plate is also precision cut with relief tapers to ensure steady idle and smooth low speed operation.

KMS · Oct 16, 2014

will continue the KTM 450 SXF build on this new thread.

http://www.snowest.com/forum/showthread.php?p=3708789&posted=1#post3708789

KMS · Oct 16, 2014

Over the summer we tested the boosting potential of the KTM 350. There was a lot on our table and we ran out of time to complete the system for production...However there is a posibilty that this build may become a reality for this season. I was contacted today from a snowbike client that is very interested in having us build one.

I think that these bikes are super nimble and will whip out 36-38 hp stock! For a 350, that's very cool. Furthermore, he wants to integrate this turbo system with his 385 big bore kit.

If this becomes a reality, I will keep you posted.

Thanks

KMS · Nov 2, 2014

I am a man of my word. We have finalized logistics for the build and the customer has given the "green light" for the KTM 350 turbo. So now this guy will be joining the KMS line up. Step 1...get one here and dyno the stock bike.

The KTM 350 that we tested over the summer was a 2012 and produced about 38 hp. This 2013 version seems to have a little bit more punch:

Here is another run showing the air fuel ratio:

Important to note: The stock fuel curve in this bike is TERRIBLE! This bike goes off the charts rich and will not even hit the rev limiter. Most people do not realize that the most "bang for buck" on any bike is correcting the fuel curve. Later this week, we will dynotune this bike and show you the difference. To date, KMS Performance has dynotuned over 3000 vehicles including: Harley Davidson, Sport Bike, Atv, Dirt bike, and UTV ranging from mild to wild. This service, hands down, is the most cost effective way to make more power.

Northwestguy · Dec 22, 2014

Thanks so much for doing a 350
I am interested in this project, so keep all the good info coming.

DieselTwitch · Dec 22, 2014

summitboy said:
Can u talk about the torque your turbo kits make ? The turbo kits don't seem like they make a lot of torque for the amount of hp being made. 40 ft lbs ? Seen some as low as 33.

Tq with these Rpms is going to be low. What it lacks in tq it makes up for in gearing. Tq is a constant from hp and rpm.

Tq = (hp x 5252)/rpm

Notice how the gain is proportional in hp and tq numbers

Search

2015 KMS Turbo System Line up

KMS

Well-known member

Ken Climb

Well-known member

mnsnowhawk

Well-known member

KMS

Well-known member

summitboy

Well-known member

allpowersports

Well-known member

KMS

Well-known member

KMS

Well-known member

KMS

Well-known member

KMS

Well-known member

KMS

Well-known member

KMS

Well-known member

Northwestguy

New member

DieselTwitch

Well-known member

Similar threads