Total Motorcycle Forums • View topic - Water cooled harley's?
Total Motorcycle Forums - The friendlist forums on the internet!

Main Site

Forums

Photo Gallery
Back to Main Site Main Site . * Login   * Register .    * Search .  . New Total Motorcycle Photo Gallery Photo Gallery

View unanswered posts | View active topics


Board index » Total Motorcycle Talk Forums » New Motorcycle Models and Rumor Mill

All times are UTC - 7 hours [ DST ]



Post new topic Reply to topic  Page 2 of 2
  [ 17 posts ]  Go to page Previous  1, 2
  Print view Previous topic | First unread post | Next topic 
Author Message
jonnythan
 Post subject:
Unread postPosted: Fri May 09, 2008 2:41 pm 
Legendary 2000
Legendary 2000
User avatar

Joined: Tue Jun 20, 2006 1:08 pm
Posts: 2485
Sex: Male
Years Riding: 0
My Motorcycle: Year/Make/Model
flynrider wrote:
There was a time when just about all bikes were air cooled. Overheating wasn't much of a problem then and it isn't now.

I live in the desert, where it gets up over 100F for about half of the year. The only time you need to worry about overheating is if you leave the bike running while standing still for an extended period of time (20 min. or so) on a really hot day. Even if traffic is moving slowly, the engine will dissapate heat. If you're stuck in a traffic jam that's not moving, then you just shut off the engine.

As for the original post, I don't know if '09 is the target for HD to go water cooled, but they will have to do it eventually. Water cooling is the only way bikes are going to be able to pass future emissions requirements. The bike of the near future is going to be much like cars are today. Computer controlled ignition and fuel systems are going to be common, as well as water cooling to control combustion temperatures.

Harleys meet current emissions requirements with no catalytic converter.

I think they have some time.

_________________
Flickr.
Top
 Profile  
 
storysunfolding
 Post subject:
Unread postPosted: Fri May 09, 2008 3:06 pm 
Moderator
Moderator
User avatar

Joined: Wed Sep 21, 2005 3:20 pm
Posts: 3833
Location: Reston Virginia
Sex: Male
Years Riding: 22
My Motorcycle: Vstrom 650, S1000RR, XS850, ZX6R
jonnythan wrote:
Harleys meet current emissions requirements with no catalytic converter.

I think they have some time.

LoL- they barely meet then with lean factory setups, and they have until 2010 when they become tighter... but sure.

_________________
Image

My Blog
Top
 Profile  
 
flynrider
 Post subject:
Unread postPosted: Fri May 09, 2008 4:21 pm 
Legendary 2000
Legendary 2000
User avatar

Joined: Thu Jul 21, 2005 6:36 pm
Posts: 2428
Location: Phoenix, AZ
Sex: Male
Years Riding: 30
My Motorcycle: '93 Honda Nighthawk 750
That's correct. The regulations that take effect in 2010 will require manufacturers to reduce hydrocarbon and NOx emissions by almost 50%, from today's levels. Air cooled, carbed bikes are just squeaking by today's standards by using overly lean mixtures. There's not much chance that they'll be able to meet the 2010 standard with any of the air cooled designs their putting out today.

_________________
Bikin' John
'93 Honda CB750 Nighthawk
Top
 Profile  
 
HYPERR
 Post subject:
Unread postPosted: Mon May 26, 2008 1:50 pm 
Legendary 3000
Legendary 3000
User avatar

Joined: Wed May 21, 2008 4:13 pm
Posts: 3012
Location: CT, USA
Sex: Male
Years Riding: 0
My Motorcycle: Year/Make/Model
I did overheat on a CB550K. It was a 4th of July weekend and I was stuck on the George Washington Bridge in a total standstill. I rode the shoulder and a cop stopped me but when I told him of my problem, he actually let me go on! :shock: :mrgreen:

_________________
2008 Ducati Hypermotard 1100
2006 Kawasaki KLX250S
2004 Honda CBR600RR
2002 BMW R1150R
1996 Ducati 900SS
Top
 Profile  
 
kingpinman
 Post subject: Water-cooled HD's
Unread postPosted: Wed May 28, 2008 8:26 am 
Rookie
Rookie

Joined: Wed May 28, 2008 8:24 am
Posts: 17
Might check out this site on overheating of HD models:
http://www.nightrider.com/biketech/hd2007HD_heat_00.htm
Top
 Profile  
 
flynrider
 Post subject:
Unread postPosted: Wed May 28, 2008 4:43 pm 
Legendary 2000
Legendary 2000
User avatar

Joined: Thu Jul 21, 2005 6:36 pm
Posts: 2428
Location: Phoenix, AZ
Sex: Male
Years Riding: 30
My Motorcycle: '93 Honda Nighthawk 750
Interesting article, although it has more to do with the new closed loop EFI system trying to keep up with the wide range of temps in an air cooled engine.

This is why motorcycle companies will be going to water cooling for emission control. You just can't regulate combustion properties well when the combustion temps are all over the place. This is the same reason that VW dropped the air cooled bug in the U.S. back in the early 80s.

_________________
Bikin' John
'93 Honda CB750 Nighthawk
Top
 Profile  
 
crazy5dave
 Post subject:
Unread postPosted: Sun Jul 13, 2008 7:40 am 
Elite
Elite

Joined: Wed Jul 05, 2006 6:57 am
Posts: 145
Location: Nagoya, Japan
In response to the posts before. All harleys are EFI. most have some form of a cat in the mufflers. some its only 1 out of two. some of the international models havefull cats in both and europe have a "power valve" in the pipes to limit noise. Japan has "quiter" mufflers. why pay more if you dont need to. emmisions regulations will not do in Air cooled bikes. ever tightening noise regulations will first. water cooled bikes have a water jacket and this absorbs some of the noises inside. HD dont so you hear lots of cam, lifter, valve train noises. water cooled bikes will kill alot of this. harley would not switch to all waterer cooled bikes. noone wants them. the Vrod was the trial ballon. sold well in Europe but not anywhere else.

_________________
2007 Buell XB12Ss
Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  Page 2 of 2
  [ 17 posts ]  Go to page Previous  1, 2

Board index » Total Motorcycle Talk Forums » New Motorcycle Models and Rumor Mill

All times are UTC - 7 hours [ DST ]

Who is online

Users browsing this forum: No registered users and 89 guests

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB © 2013 phpBB Group