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Old 08-29-2013, 04:43 PM   #901
swimmer
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Quote:
Originally Posted by donny662 View Post
BMW doesn't seem to have trouble with fueling, and they have to deal with the same EPA regs.

Also, don't most of the Japanese use Keihin or Mikuni designed FI systems?
+1. My bone stock tiger 800 is smooth through the rev range. Uses Keihin. I am also glad motorcycles have to meet emissions requirements.
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Old 08-29-2013, 05:55 PM   #902
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Originally Posted by Rob.G View Post
Blame the EPA, not Yamaha. All these ridiculous emissions requirements are what causes the driveability problems. My 2012 V-Strom is annoying in its choppy on-off throttle transition. I'm hoping a PC5 will fix it once I have $300 to spare.

Edit: The "vague" front end in the MCN writeup is probably the front tire. If not, it should be a fairly easy fix with some valving adjustments in the forks.

Rob
Nope, not going to blame the EPA. Many new bike with EFI have great fuelling, Triumph can do it right, the Duc Hyperstrata got it right, and the new BMW GS WC is good. Yamaha just hasn't got it figured out.

Sure after market MAY work it out, but it would be nice if the factory got it right, no?

As we speak my Yamaha S10 ECU is off to be reflashed, this is the second iteration of flash available from ECU Unleashed in a year. It takes time for the aftermarket guy to get it right..


Regards, Paul
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Old 08-29-2013, 06:02 PM   #903
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Glad some bikes run good enough for some folks, right out of the box.
But I'm pretty sure every manufacturer has models that many customers can find fault with, when it comes to OEM fueling. Some more. Some less.

And while I'm not against some degree of government oversight on things like this, I'm far from "happy" with the silly parameters that some desk jockey bureaucrat comes up with. Proper science with a reasonable target outcome could result in better implementation.

But it's the way of the world now. Simply means that a lot of things we buy today have to be "altered" to correct the shortcomings. Fortunately, our species creates really gifted examples to offset the idiots. :)
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Old 08-29-2013, 06:05 PM   #904
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Should we discuss the difference between "fueling" and throttle mapping?

Or is YCCT and correct fuel delivery all under the one umbrella these days?

Anyway..

Quote:
It's a lovely machine to ride - easy and in no way intimidating. The three-cylinder engine is a peach, offering lots of low down grunt, a strong midrange and a grin-inducing top end.

"It's comfy, controllable, handles and brakes well. It's as happy around town as it is pulling easy wheelies and skidding up to roundabouts. The perfect bike for the experienced and newbies.
Those problems he discusses must only apply to people with a medium amount of experience.
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GrahamD screwed with this post 08-29-2013 at 06:13 PM
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Old 08-29-2013, 06:11 PM   #905
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Quote:
Originally Posted by GrahamD View Post
Should we discuss the difference between "fueling" and throttle mapping?

Or is YCCT and correct fuel delivery all under the one umbrella these days?
YOU, my friend, can say whatever is on your mind. :)
In fact, spit it out.

Oh, and I used "fueling" in a very general sense. The same way most do. As well as the mags.
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Old 08-29-2013, 06:35 PM   #906
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Quote:
Originally Posted by GrahamD View Post
Should we discuss the difference between "fueling" and throttle mapping?

Or is YCCT and correct fuel delivery all under the one umbrella these days?

Anyway..



Those problems he discusses must only apply to people with a medium amount of experience.
Sure, have at it, or we talk 'engine management'.


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Old 08-29-2013, 07:08 PM   #907
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Quote:
Originally Posted by Roadscum View Post
Sure, have at it, or we talk 'engine management'.


Regards, Paul
The reason I bring it up is because there are times when engines have trouble, usually somewhere between 3K and 5K no matter whether you have no modes, some modes or 3000 "drive modes". It's a constant.

If the reviewer is talking about throttle mapping, it is a bit different. The bike might have perfect fuel delivery within emissions envelope but the throttle either feels nonlinear, "out of touch", too snappy [pick your subjective and relative phrase of choice] depending on what that person is used to or rode last or where they are riding.

Difference being a PCV or dyno tune will do nothing to change the throttle maps.
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Old 08-30-2013, 10:13 AM   #908
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Quote:
Originally Posted by GrahamD View Post
The reason I bring it up is because there are times when engines have trouble, usually somewhere between 3K and 5K no matter whether you have no modes, some modes or 3000 "drive modes". It's a constant.

If the reviewer is talking about throttle mapping, it is a bit different. The bike might have perfect fuel delivery within emissions envelope but the throttle either feels nonlinear, "out of touch", too snappy [pick your subjective and relative phrase of choice] depending on what that person is used to or rode last or where they are riding.

Difference being a PCV or dyno tune will do nothing to change the throttle maps.
Yep, way more to good engine management the PC can bring to the table. It's best if the manufacture can get it right.

Same goes for ride and handling, way more to it then tires and aftermarket shocks.

Regards, Paul
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Old 08-30-2013, 01:34 PM   #909
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Originally Posted by Roadscum View Post
Nope, not going to blame the EPA. Many new bike with EFI have great fuelling, Triumph can do it right, the Duc Hyperstrata got it right, and the new BMW GS WC is good. Yamaha just hasn't got it figured out.

Sure after market MAY work it out, but it would be nice if the factory got it right, no?

As we speak my Yamaha S10 ECU is off to be reflashed, this is the second iteration of flash available from ECU Unleashed in a year. It takes time for the aftermarket guy to get it right..


Regards, Paul
Triumph didn't get it right with the 1050 triple, a major reason I never bought a Sprint ST. It was ridiculous on-off throttle, jerky as all hell. I imagine that could be fixed, but why sink money into something when someone else can obviously do it better, stock?
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Old 09-02-2013, 10:47 AM   #910
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Best review yet, for the MT-09.

http://www.pistonheads.com/roadtests...p?c=47&i=28385

"it's replaced the Street Triple as my favourite bike currently for sale"

Very high praise, sounds like a winner.
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Old 09-02-2013, 04:41 PM   #911
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Originally Posted by versysrider View Post
Best review yet, for the MT-09.

http://www.pistonheads.com/roadtests...p?c=47&i=28385

"it's replaced the Street Triple as my favourite bike currently for sale"

Very high praise, sounds like a winner.
Excited!
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Old 09-02-2013, 05:11 PM   #912
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New video...........anyone speak dutch here?

http://www.youtube.com/watch?v=04fy2eM_qgE




.....................
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Old 09-02-2013, 06:14 PM   #913
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I spy an Akrapovic slip-on, seat cowl, and some sort of case saver.
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Old 09-02-2013, 08:39 PM   #914
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Quote:
Originally Posted by oldoval View Post
New video...........anyone speak dutch here?
http://www.youtube.com/watch?v=04fy2eM_qgE
.....................
I heard "dark side of Japan", "naked bike" and "supermoto". Everything else started to sound like this to me:



Quote:
Originally Posted by fishheadAZ View Post
I spy an Akrapovic slip-on, seat cowl, and some sort of case saver.
I also saw an orange (not red) bike all the way through and possibly a silver/grey (not black) one @ 3:17.
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Old 09-02-2013, 09:31 PM   #915
swimmer
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Quote:
Originally Posted by versysrider View Post
Best review yet, for the MT-09.

http://www.pistonheads.com/roadtests...p?c=47&i=28385

"it's replaced the Street Triple as my favourite bike currently for sale"

Very high praise, sounds like a winner.

"Compared to the Street Triple the Yamaha engine is slightly smoother, however it is considerably more powerful and is best thought of as a mix of the Street and Speed Triple - although with a far better gearbox."

The only triumph I've ridden is my tiger 800 and it has an incredibly smooth engine and a great gearbox. If the Street and Speedy are in the same class that is very high praise for the yamaha.
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