Come on Bud get your facts right before you babble....Honda's smog pumps are mounted on the outside just like a Yamaha....several company's make block off kits for them
450xs get the smog pump INSIDE the engine so you can't remove it easily. I'd much rather have more stuff to remove but actually be able to.
Why do Yamahas come so plugged up? No other mfg does.
Posted May 10, 2005 - 05:07 PM
Posted May 10, 2005 - 05:21 PM
Just wondering why Yamaha cant sell a bike ready to ride. The new 450X dosent come all choked up and I dont think anybody elses do either.
It all comes down to emission, both from the tail pipe and the sound emission. They wanted to green sticker these. They realized they can be uncorked, but if they were not emission certified originally from the factory, then it can never be emission certified, ever!
Posted May 10, 2005 - 05:25 PM
there is no justification for it in this country. maybe yamaha is trying to pass noise standards somewhere else. note that ktm and husaberg seem to be able to sell a bike that will run, and is reasonably quiet, and has no air-pump b.s. and they were among the first ones to have green sticker bikes that weren't toys.
The KTM and Husaberg MSO (manufacturers statement of origin) does not designate these as off road bikes, its just called "cycle" while the Japanese bikes are all MSO'd as "off road/competition" even if the KTM and Husabergs are off road, which we know they are.
Posted May 10, 2005 - 05:29 PM
Yes my X has a smog pump and was lean....but WRs have had that throttle stop since 2000??? right?? why. they were concidered Red sticker back then
No, 400 and the 426 were green, but I'm not sure if it was a grandfatherd in type deal. The 450 in 03 and 04 were red. The 05 is green again. I read an article on the 04 where they were tinkering with noise and tail pipe emissions, if they made it quiet enough, exhaust emissions came up and visa versa. I notice they dropeed the compression a bit for the 05 and in addition to adding the AIS which really cleans up HC's (hydrocarbons/unburnt fuel)
Posted May 10, 2005 - 07:00 PM
Enduro noise standards.
Back in 2000??? I dont think there were any?
They limited db at "half throttle"... limit the stop screw and you've cut the half-throttle position, reducing noise.
Posted May 10, 2005 - 07:51 PM
They wanted green stickers from 98-02, but neither Yam nor DMV had all their ducks in a row. The rules kept changing. So, they approached it a little at a time. They put some easily modified controls on throttle opening, airbox, jetting, and ignition. They changed to the 450, which changed all the rules again. Also, DMV and CARB finally fixed the rules (which grandfathered WR's up to 02). Now it makes sense to put money into meeting DMV standards. Not by a little, but by a lot (remember, Yamaha doesn't take chances). That way, there is never any reason for CARB to question their compliance.
The 2005 WR250F was meant to be green sticker, but someone didn't turn in the application paperwork in time. Guess there's a job opening at Yamaha. That won't happen for 2006.
Honda had an extra 6 years to develop a 450 with emissions and noise as part of the original design criteria. So, it stands to reason they would eventually meet green sticker standards once the 450X was released. KTM just designed a very conventional 4 stroke engine and jetted it super lean. Pretty impressive for a small company.
Just the same, I think I'll keep my WR.
Posted May 11, 2005 - 08:36 AM
If your toys can't kill you----- sell them
Posted May 11, 2005 - 07:35 PM
Posted May 11, 2005 - 09:29 PM
WRs have had that throttle stop since 2000??? right??
my 04 was even decently jetted out of the box just pull out the but plug and ride. i did not even do any intake or carb mods for over a month.
Posted May 12, 2005 - 07:17 AM
I'm actually tempted to buy an 05 just to see how fast I could pull all the sh!t off of it.
There is definitely a sweet prize at the bottom of this box of cereal, you just have to dig a little to get to it.
Posted May 12, 2005 - 08:11 AM