Mini review of the Dan Kyle throttle tube

[08hyper]

I just installed the new throttle tube, what a work of ART in aluminum! an amazing amount of work in it, so just by looking at it you could probley justify its cost, also easy install, took about 25min with the new grips.

After a quick ride thru the streets, I DID notice how much smoooother the initial acceleration is, with little to NO jerking, I bet it'll be a good addition to some of the guys that have the lightened flywheels, the bike now a nice even flow of power, making it easier to ride smoothly.

What is different is the cam on the tube, its designed to open the throttle bodies slower is relation to the throttle "twist" at just off idle to 1/2 throttle, then will ramp up quicker than stock, but keep in mind that this is NOT a 1/4 turn or "quick throttle" it still has the long throw of the stock throttle, I was hoping for shorter throttle twist, but that may be defeating the purpose.

Tomorrow I'll be doing a track day, and I'll be post my impression when I get back. Aloha Alex

PS: my thanks to Peter (Dukepilot) for bringing this fine product to our attention!

[dukepilot]

Alex, glad you're happy with it, but you should thank Dan Kyle. I was hanging around his booth at La Ducati Day when he handed me the tube and asked my to try it out on my bike.

You'll be even happier I think when you whack open the throttle on your trackday. From about 1/3 to wide open, the throttle will open faster than stock, so hang on!

[shanetbird]

thanks Shane

[Treadmarks]

I ordered mine lase week and can't wait till it gets here. My hyper is a daily driver and the jerky throttle is a pita in traffic. Pretty nice on the back roads when blasting tho!.

[dukepilot]

Originally Posted by shanetbird

thanks Shane

http://www.shop.kyleusa.com/product....&productId=252

[08hyper]

Originally Posted by 08hyper

I just installed the new throttle tube, what a work of ART in aluminum! an amazing amount of work in it, so just by looking at it you could probley justify its cost, also easy install, took about 25min with the new grips.

After a quick ride thru the streets, I DID notice how much smoooother the initial acceleration is, with little to NO jerking, I bet it'll be a good addition to some of the guys that have the lightened flywheels, the bike now a nice even flow of power, making it easier to ride smoothly.

What is different is the cam on the tube, its designed to open the throttle bodies slower is relation to the throttle "twist" at just off idle to 1/2 throttle, then will ramp up quicker than stock, but keep in mind that this is NOT a 1/4 turn or "quick throttle" it still has the long throw of the stock throttle, I was hoping for shorter throttle twist, but that may be defeating the purpose.

Tomorrow I'll be doing a track day, and I'll be post my impression when I get back. Aloha Alex

PS: my thanks to Peter (Dukepilot) for bringing this fine product to our attention!

Well the track day is over, and I survived, (barely) so what do I think of the throttle tube? I don't know.........maybe its just NOT for me, let me explain,
on the streets and "TIGHT" canyon riding its a good thing, and will probley work well on a tight track like "Streets of Willow" because it will smooth things out around slow corners, but this weekend Todd (Hyperduc,) & I did a track day at Buttonwillows, a much different and FASTER!! track, with 120mph straights and 80mph+ sweepers!! a long flowing FAST corse that requires high corner speeds, so I was always on the throttle from 1/2 to Full,
and remember that the Dan Kyle throttle IS "QUICKER" than stock in this range. And while at 3/4 throttle thru a fast sweeper, and you need to go a little bit faster, its harder to be smooth with the QUICK(er) Kyle throttle.

Now the FUN part, where I almost "ATE SHIT" big time!! is was the 3rd or 4th session of the day, so I was pretty familiar with the track, and was entering a medium size flat corner at a decent fast pace, and was trying to chase down the new & improved Todd, (HE WAS FAST!) and a couple of other riders, I was rolling on the throttle in the corner, when the rear end slid out unexpectedly! ALL THE WAY OUT! to the steering lock! and proceeded to do the BIGGEST tank slapper I've ever done on a street bike, it was the longest 4 to 5 seconds in my life! I ended up in the dirt and saving it, but I must have looked like a Monkey fuc*ing a football!! but made it back on the track and never lost a place. If fact the rider behind me that saw the whole thing, gave me the thumbs up! Keep in mind that I've been riding the Hyper hard, for over a year now, (7000mi) with lots of fast canyon riding, track days, & wheelies, and NEVER had the front end even twich! What caused the rear wheel to SLIDE OUT like that? still not sure... it could be the quicker (half to full) Dan Kyle throttle, or maybe that POS Michelin PP CT2, or the combo of both.

Well the next track day will probley be at Laguna Seca on Dec 1st, and I heard that its a REALLY FAST so this time for sure, I'm getting a steering dampener, slipper clutch, Bridgestone BTO16 or Corsa III's, and am taking off the Dan Kyle throttle tube, Now I'm not saying that its a bad product, its
probley going to make a LOT of people happy, but this time, not for me.... Aloha Alex

[MongoWERA]

If you want to sell it let me know. From what you're describing it'll help where I have the throttle most of the time.

[Dallara]

Originally Posted by 08hyper

Well the track day is over, and I survived, (barely) so what do I think of the throttle tube? I don't know.........maybe its just NOT for me, let me explain... Aloha Alex

Interesting evaluation and conclusions... Glad you saved your "nasty moment" as the prone to understatement British commentators say!

As I used to say back in my road racing days, "Any crash you can walk away from is good. Any crash you can RIDE away from is BETTER!"

I just mounted my Dan Kyle throttle tube a couple of days ago, too, and I wouldn't be honest unless I said my initial reaction was a favorable one but the more I ride the bike the more I wonder...

First off, I must say, the piece is absolutely and positively beautifully made. Simply gorgeous, if it is possible to properly describe something simple like a throttle tube as "gorgeous". Not a flaw on it in any way, shape, or form. Smooth machine work, flawless finish and anodizing, and wonderfully tight tolerances. The way it feels when properly installed on the bar can only be described as "perfect", or perhaps even "orgasmic"...

With the bar properly cleaned and super-lightly oiled you can sit there and just spin the bare Kyle throttle tube on it for minutes on end just to marvel at how terrific it feels and apparently frictionless it works. It almost feels like it is on ball or needle bearings compared to stock. In many ways that alone makes it worth the price of admission.

When you first fire up the bike it is even better, with just the way the throttle tube feels, and the slop it removes, making you revel in the tube's function. Blipping the throttle is almost fun in and of itself... Riding the bike around at low speeds there is a definite improvement in throttle precision and control, particularly making maneuvering at parking lot speeds less snatchy and much smoother. Same with launches from light to light and moving around in city traffic at lower speeds, with no apparent faults or flaws even in freeway manners.

However, at least with the Hyper, there is a definite spot in throttle action where the "camming" of the throttle and the rev range of the engine can match up in such a way as to make the transition pretty frenetic... I noticed this on a couple of interesting local switchbacks. Nothing nearly as dramatic nor sphincter-puckering as 08Hyper's experience, but still eye-opening, like the bike suddenly had a powerband "hit" it didn't have before. Perhaps the "camming" of the throttle just happened to coincide with the particular apexes and flip-flop requirements of these corners, along with my riding style through them, to make the situation more, uh... thought-provoking than usual. I dunno'...

But for me the jury is still out on the tube. I LOVE the way it feels as I operate it, but I do wonder a bit if the Hyper needs a more linear "cam" than this particular set-up as it sits now. No fault of Dan Kyle's, since this is really a throttle tube developed for a 1098, IIRC. It was simply discovered it fit a Hyper, and so it was tried, again IIRC. Dan definitely makes a BEAUTIFUL piece with incredible workmandship and attention to detail.

Me, right now I have two complete throttle tube assemblies, complete with my preferred grip brand and design on them - the Dan Kyle tube and the stocker - and both are going with me on my Big Bend ride. As quick as one can swap them out I plan to perhaps try both, back-to-back, on some of the same roads if I can and see if the difference is not only more apparent, but also is able to be better quantified as one being "better" or "worse" than the other. I will try and report back here as to my personal opinions and conclusions later...

For now, I have to say the Kyle tube is staying on, if for no other reasons than I love the way it feels operating it and that it does seem to work better around town where I do most of my riding.

Hope this helps!

Dallara

[dukepilot]

Originally Posted by 08hyper

Well the track day is over, and I survived, (barely) so what do I think of the throttle tube? I don't know.........maybe its just NOT for me, let me explain,
on the streets and "TIGHT" canyon riding its a good thing, and will probley work well on a tight track like "Streets of Willow" because it will smooth things out around slow corners, but this weekend Todd (Hyperduc,) & I did a track day at Buttonwillows, a much different and FASTER!! track, with 120mph straights and 80mph+ sweepers!! a long flowing FAST corse that requires high corner speeds, so I was always on the throttle from 1/2 to Full,
and remember that the Dan Kyle throttle IS "QUICKER" than stock in this range. And while at 3/4 throttle thru a fast sweeper, and you need to go a little bit faster, its harder to be smooth with the QUICK(er) Kyle throttle.

Now the FUN part, where I almost "ATE SHIT" big time!! is was the 3rd or 4th session of the day, so I was pretty familiar with the track, and was entering a medium size flat corner at a decent fast pace, and was trying to chase down the new & improved Todd, (HE WAS FAST!) and a couple of other riders, I was rolling on the throttle in the corner, when the rear end slid out unexpectedly! ALL THE WAY OUT! to the steering lock! and proceeded to do the BIGGEST tank slapper I've ever done on a street bike, it was the longest 4 to 5 seconds in my life! I ended up in the dirt and saving it, but I must have looked like a Monkey fuc*ing a football!! but made it back on the track and never lost a place. If fact the rider behind me that saw the whole thing, gave me the thumbs up! Keep in mind that I've been riding the Hyper hard, for over a year now, (7000mi) with lots of fast canyon riding, track days, & wheelies, and NEVER had the front end even twich! What caused the rear wheel to SLIDE OUT like that? still not sure... it could be the quicker (half to full) Dan Kyle throttle, or maybe that POS Michelin PP CT2, or the combo of both.

Well the next track day will probley be at Laguna Seca on Dec 1st, and I heard that its a REALLY FAST so this time for sure, I'm getting a steering dampener, slipper clutch, Bridgestone BTO16 or Corsa III's, and am taking off the Dan Kyle throttle tube, Now I'm not saying that its a bad product, its
probley going to make a LOT of people happy, but this time, not for me.... Aloha Alex

Wow, glad you rode that one out! I also noticed that from 1/3 to wide open throttle, things happen faster than they used to! Even more so since I also have a lighter flywheel and 15/44 gearing. I'm adapting to it though and since I ride mostly on tight roads, I think its going to be OK.

[Fresno]

I have only one day experience with my Dan Kyle tube. That said, I'm a B class rider and I absolutely was struggling with low speed tight turns due to the excessive slop in the stock throttle tube. With the DK tube I'm 90% smoother.

Check the play in your stock throttle. Not just back and forth, but side to side and up and down. It all leads to imprecise and jerky throttle inputs.

The cammed throttle works great for my riding level so far.