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 VIDÉO ET PHOTOS DU SIDEWINDER 2017

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kalvillo



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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Mar 08 Mar 2016, 08:11

entk, moi le seule bémol c’est le prix ,et aussi qui fabrique le moteur???  mitsubishi peut être!!
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apexxpert



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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Mar 08 Mar 2016, 08:39

kalvillo a écrit:
entk, moi le seule bémol c’est le prix ,et aussi qui fabrique le moteur???  mitsubishi peut être!!

OUI LE PRIX EST CHER , MAIS COME UN BRP 800 XRS

????? MOTEUR   YAMAHA
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Yamex



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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Mar 08 Mar 2016, 09:30

Le moteur est supposé être un yam pure laine....et tant mieux si mitsubishi fourni des composantes de turbo et surtout leur expertise en calibration...et software...........
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kalvillo



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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Mar 08 Mar 2016, 09:51

j'ai parler a un gars qui connait un gars qui travaille de proche sur les moteur de Yam , et il a dit que sa sent le mitsubishi...
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apexxpert



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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Mar 08 Mar 2016, 10:27

kalvillo a écrit:
j'ai parler a un gars qui connait un gars qui travaille de proche sur les moteur de Yam , et il a dit que sa sent le mitsubishi...

LOLLOL !! J ESPERE QUE CES GARS LA SONT JAPONAIS !!!
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Yambest



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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Mar 08 Mar 2016, 21:05

les poteaux de ski sont different sur quelque photo ???
nouveaux design pour yam et artic cat pareil comme l'ancien ???
mais y'a des photos de yam avec les ancien poteaux ??
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Alain Vmax
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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Mar 08 Mar 2016, 21:37

Beaucoup de prototype qui roule!!!!  





Alain Vmax

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Au bout d'une belle ligne droite.... Y'a toujours une courbe!!!!!!!!!!!!!

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Yambest



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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Jeu 10 Mar 2016, 09:43

Thinking now is a good time to address some of the questions I have been getting on the Sidewinder and also elaborate a bit on our new 2-stroke – The VK540V.
Steve inquired this  morning about SRS gearing so here is what I have (insert disclaimer – ‘specifications subject to change’).  RT and LT 129 / 137 inch track, XT and BT 141 x 1.6 /153 x 1.75 all use 9T drivers with 21/41 gear ratios. XT and BT x 2.25 Power Claw uses 8 tooth drivers with 24/50 cogs and the MT uses 7 tooth driver with 21/49 gears.
I’ll save you the math and give theoretical tops speeds for these ratio formulas:  21/41 9T = 120mph / 24/50 8T = 105mph and 21/49 7T = 82mph.
The new YSRC roller secondary increases the overdrive to .91 : 1 where the old secondary fully shifted out, offered .98 : 1. this can be added to the top speed equation to explain why we were seeing over 120 mph on the LT version in testing.
Now the chain case has also been questioned – is it the same as the Viper? Yes and no. The chain case received a major redesign for the Viper to meet our QA. The spring loaded tensioner was changed to a fixed bolt adjuster, the jack shaft was changed to accept our secondary, the gear / chain supplier was changed to Borg Warner and various bearings, faces and bits addressed. For the Sidewinder, further upgrades have been made. The top gear material has changed from a powdered metal to forged machine sprockets for additional strength and the chain width is increased to 15 link (plate) from 13 link. We have had no failures during our durability and calibration testing. Zero. I didn’t attend the recent Arctic cat dealer meeting but a little birdie told me a slide was presented that showed some very significant decreases in their warranty costs since 2014. Make of that what you will.
The maximum boost pressure in the system is limited to a conservative 12 lbs. and surprising to me is the fuel range has not suffered significantly compared to Viper. I am waiting for some actual data from testing to elaborate on this before you cry foul, but the general consensus is the consumption throughout all testing combined is significantly less than what I was personally expecting. That’s good news!
I have been asked directly and am still reading speculation on our supply agreement with Arctic Cat and future model development. I met some guys at a watering hole on the weekend that told me we are done building snowmobiles as of 2019. Only one word to say to that. WRONG. There is a big ‘meeting of the minds’ this week between Cat and Yamaha top management and a few of us are heading to the airport Saturday to attend another series of meetings in Japan. Our product plan is already extended well beyond 2019 with plenty of blue and green dots on the matrix.
And now for a quick break. I spotted this very impressive edit by Rick Dobson shot at Snowshoot. The filming, riding and production are all top shelf.
- See more at: http://snowmobiles.yamahablogs.ca/#sthash.YiwvD2qj.dpuf
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monster7



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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Jeu 10 Mar 2016, 14:53

Yambest a écrit:
les poteaux de ski sont different sur quelque photo ???
nouveaux design pour yam et artic cat pareil comme l'ancien ???
mais y'a des photos de yam avec les ancien poteaux ??


Ca ne serait pas les mountain par hasard qui ont des poteaux différents?
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Coyote.
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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Jeu 10 Mar 2016, 19:29



  • AmSnow Exclusive: 2017 Yamaha Genesis 998 Turbo Dyno Test
    Pre-production Sidewinder makes 204.1 HP!


  • AmSnow Exclusive: 2017 Yamaha Genesis 998 Turbo Dyno Test

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AmSnow Exclusive: 2017 Yamaha Genesis 998 Turbo Dyno Test
Pre-production Sidewinder makes 204.1 HP!
By AmSnow staff  | March 10, 2016  
RELATED TOPICS: NEWS | SNOWMOBILE | YAMAHA | ARCTIC CAT | TURBO | DYNO TEST | SIDEWINDER

2017 Yamaha Sidewinder B-TX
Kort Duce photo
The new Genesis 998 Turbo engine is the blow-your-door-off-powerful and super-high-tech masterpiece we have been waiting for from Yamaha!

According to Jim Vizanko, Yamaha Engineering Manager at Yamaha’s Wisconsin research and development center, this snowmobile-specific engine project has been in the works for more than four years. Vizanko gave us a tour of the new performance king at this year’s Snow Shoot out in West Yellowstone, Mont., where we tested these sleds for five days.


2017 Arctic Cat XF 9000 Cross Country
Kort Duce photo
“The main goal of the 998 Turbo engine was to achieve the ultimate throttle response, or zero turbo lag,” Vizanko explained. “Our whole design and development plan aimed at that as the primary target. Obviously, we wanted to make the top power from this engine as well. But that’s what we have the turbo for.”

Vizanko showed us the key technologies that the engineers used to hit their goal. The first is the triple throttle bodies. “We use a throttle body for each cylinder on this engine, which is unique in the engine world,” he said. “We do that so that when the engine is in its naturally aspirated phase, it performs to its fullest potential. Remember, a turbo engine isn’t always at full boost. You actually spend a lot of time riding at partial throttle and that’s when you’ll really notice this is a smooth engine and it transitions seamlessly into its boost.”

The second key component to the new engine’s zero turbo lag comes from the air bypass valve on the intake tract. Air pressure sensors on both sides of the throttle bodies, in conjunction with the throttle valve position sensor let the ECU know what’s going on at the intake side of the engine. What this means to riders is that when you grab a handful of throttle and then quickly let off the throttle again, there will be a buildup of pressure on the plenum side. Previous turbo engines would dump that pressure through a pop-off valve, which is what makes that specific “chirping” sound in engines like the old Suzuki 4-stroke that Arctic Cat previously used.

Now, Yamaha’s new engine takes that pressurized air and silently recirculates it into the intake line, keeping that boost pressure on tap and ready for the next time you instantly get back on the gas. This means instant boost, no lag, no funny noises.


The third element of the sharp performance success is the cam timing. “Again, we were working toward throttle response, not squeezing every possible horsepower out of this engine,” explained Vizanko. “We probably spent the most time working and tweaking the cams on this engine for sharp acceleration. The turbo took care of the power.”

The brass at Yamaha is very conservative by nature, and the original claim of 180hp that we were told at our Sneak Peek event back in January was undoubtedly conservative. While there have been a few sleds over the years which have been promoted as mid- and upper-170hp sleds, no factory has ever said before that they had a 180+hp production sled, as that’s a pretty bold statement. That said, after we hit the gas on the Sidewinders, the Arctic Cat Thundercat and the Cat 9000 series (all with this new engine in them) we knew immediately that this sled was pumping out more than 180 ponies.

A friendly wager
AmSnow Editor Mark Boncher and Yamaha’s Snowmobile Product Manager Rob Powers made a friendly bet on what our independent dyno testing facility (DynoTech Research out of Batavia, N.Y.) would find once we finally had a chance to test one of these machines. Boncher guessed 192hp and Powers guessed 193. The verdict? Both were off by double digits! The top number was 204.1hp at 8850 rpm! In full disclosure, again, this was a pre-production model with 800+ miles of testing. That means it was fully through its break-in paces.

AmSnow also had many chances to wring out this new generation of super performance 4-strokers from Yamaha and Arctic Cat back in late February. We consistently saw 116mph for a top speed on our frozen lake test area. Both brands, several different riders and still 116 … and it seemed like there was power to keep going if gearing/clutching were different! Our veteran drag racer, Butch Veltum, got off his first pass and (with some colorful language) let us all know that this new engine was severely under-reported at 180hp.

It’s NOT just for muscle sleds, though. The 137-inch L-TX and Thundercat versions, especially, have great trail manners – smooth, quiet and amazingly gentle on the trail. Yamaha cranked up the Idle Speed Control valve system to pretty much eliminate engine braking, letting the Sidewinders and 9000s carry off-throttle speed through corners without the big weight transfer we saw with the Apex.

Each brand (Yamaha and Cat) have their own clutching and calibration for their model packages. There are differences in clutching philosophy there for sure, but the engine itself is identical. Vizanko explained that Yamaha engineering brought the powerplant, IHI turbo system, and Mitsubishi ECU to the table, the Cat team brought the chassis, and it was joint engineering work that finalized packaging, the intake tracts, and exhaust in the sled.

After our rides and plenty of begging, we finally got the Yamaha guys to let our independent Dyno tester, Jim Czekala at DynoTech (also the official dyno company for AmSnow’s New York Shootout) put one of the pre-production units on his bench. “Dyno Jim” used the exact same test protocols on the proto Genesis 998 Turbo engine as he uses every December for our Shootout sleds.

2017 Yamaha Sidewinder L-TX SE
Kort Duce photo

2017 Arctic Cat Thundercat
Kort Duce photo
What he found is reason for more hype. The dyno started recording at 6800 rpm, and the pre-production engine was already at 158hp with 128 lbs./ft. of torque! That’s not too deep into the throttle, and the Yamaha Sidewinders and Cat 9000 series are cranking out more power than most sleds will see at wide-open throttle. This is big-time news and something Yamaha faithful in particular have been yearning for for several years. Yamaha has the 4-stroke engine expertise, and it shows. The torque line stays over 120 lb./ft. past Yamaha’s recommended shift RPM of 8750.

A quick check with our resident historian of the sport, Test Rider Les Pinz, confirmed that the dyno results of this pre-production Genesis 998 Turbo is the strongest stock engine ever made in the history of snowmobiling!

For all the latest industry info, including reliable dyno tests and sled reviews, subscribe to American Snowmobiler today!

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Dernière édition par Coyote. le Jeu 10 Mar 2016, 19:36, édité 2 fois
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Coyote.
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MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Jeu 10 Mar 2016, 19:34

Yamex a écrit:
Le moteur est supposé être un yam pure laine....et tant mieux si mitsubishi fourni des composantes de turbo et surtout leur expertise en calibration...et software...........


Each brand (Yamaha and Cat) have their own clutching and calibration for their model packages. There are differences in clutching philosophy there for sure, but the engine itself is identical. Vizanko explained that Yamaha engineering brought the powerplant, IHI turbo system, and Mitsubishi ECU to the table, the Cat team brought the chassis, and it was joint engineering work that finalized packaging, the intake tracts, and exhaust in the sled.


Voir le test ci haut

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Coyote.
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Nombre de messages : 12842
LOCALISATION (ville/city) : Laval & Lac Simon
VOS PRODUITS YAMAHA : APEX XTX LE 16, YFM 87,GP 292 75, SL 338 72
Date d'inscription : 16/10/2005

MessageSujet: Re: VIDÉO ET PHOTOS DU SIDEWINDER 2017    Jeu 10 Mar 2016, 19:39

Yambest a écrit:
les poteaux de ski sont different sur quelque photo ???
nouveaux design pour yam et artic cat pareil comme l'ancien ???
mais y'a des photos de yam avec les ancien poteaux ??

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  • Yamaha SR Viper/Arctic Cat ProClimb 365 Kit

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FROM THE January 2016 ISSUE
Yamaha SR Viper/Arctic Cat ProClimb 365 Kit
By Emily Hare | December 7, 2015
RELATED TOPICS: PARTS AND ACCESSORIES

Improve the handling of your Yamaha Viper or Cat ProClimb (2012-2015) with A-arms from Barcode Performance. Built from aircraft-quality cromoly tube, the kit has a 36-inch-wide stance with a +5-inch forward design and pre-installed oilite bushings. An included steering mod increases turning by more than 10 degrees, so it’s much easier to turn around in a tight spot. The kit uses factory tie-rods and all stock shocks, including those from 38-inch and 40-inch stance sleds. Kits for Ski-Doo XMs and Yamaha Nytros also available. Cost: $989.

More info:
www.barcodeperformance.com

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