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Offline rbmgf7

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Colorado bound
« on: August 09, 2009, 06:02:41 PM »
Well, gonna be moving from Missouri to Ft. Carson, CO in a few weeks and plan to be there for a few years. Good to finally have a change of scenery. I'm really excited to see some mountains. Unfortunately, I won't have my CB750 basketcase ready to ride so I'll be leaving that behind in storage but I do have my KLX400 dual sport. I just loaded it with some new tires, other maintenance parts, and luggage. Needless to say, I'm ready to start exploring. I'll try to bring the CB up later to work on.

Couple questions to any current residents there or nearby. How does the altitude affect your bikes? Figure there might be rejetting involved. Also, how does it affect you physically in terms of athleticism? Gotta stay in shape and I know the air is much thinner at 6000' then 1000'. How long does it take to acclimate to the altitude?
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Offline cb650

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Re: Colorado bound
« Reply #1 on: August 09, 2009, 06:31:00 PM »
Welcome to colorado.  You will need smaller jets or more flow from the exhaust/intake.
Try a hi po air filter and go from there.
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Offline Gordon

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Re: Colorado bound
« Reply #2 on: August 09, 2009, 09:17:10 PM »
Quote from: rbmgf7 on August 09, 2009, 06:02:41 PM
Couple questions to any current residents there or nearby. How does the altitude affect your bikes? Figure there might be rejetting involved. Also, how does it affect you physically in terms of athleticism? Gotta stay in shape and I know the air is much thinner at 6000' then 1000'. How long does it take to acclimate to the altitude?

It's different for different bikes.  My 550 is doing fine with just a switch to higher-flowing air filter and opening up the air intake.  It runs a little rich, but not enough to foul out the plugs.

As for you, it mainly depends on what kind of shape you're in.  If you're pretty active and in decent shape you probably won't notice any difference until you get on a bicycle or run up a few flights of stairs.  If you drink, go easy because it will affect you more quickly. 
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Offline andy750

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Re: Colorado bound
« Reply #3 on: August 10, 2009, 12:19:05 AM »
Quote from: Gordon on August 09, 2009, 09:17:10 PM
If you drink, go easy because it will affect you more quickly. 

Hey at least you`ll save money drinking less for the same effect! Wow I should move to CO!  ;) ;D

good luck!
Andy
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Offline tramp

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Re: Colorado bound
« Reply #4 on: August 10, 2009, 04:02:23 AM »
worked at ft. carson many times
takes about a week to adjust to the altitude
there was a good place to eat on base called Christopher's
go there the food is great
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Offline Gordon

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Re: Colorado bound
« Reply #5 on: August 10, 2009, 08:04:09 AM »
I forgot to say that while my 550 didn't require much to run decently at altitude, my 750 did need smaller pilot jets to keep from fouling out the plugs after a short ride. 
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Offline andy750

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Re: Colorado bound
« Reply #6 on: August 10, 2009, 04:21:27 PM »
My experience with the 750 is that both my K4 and K6 didnt have any problems running at altitude while I was passing through (Southern CO, Durango, Silverton, Wolf Creek pass etc...). Maybe I wasnt there long enough. Id go with Gordon since hes the local.

cheers
Andy
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Current bikes
1. CB750K4: Long distance bike, 17 countries and counting...2001 - Trans-USA-Mexico, 2003 - European Tour, 2004 - SOHC Easy Rider Trip , 2008 - Adirondack Tour 2-up , 2013 - Tail of the Dragon Tour , 2017: 836 kit install and bottom end rebuild. And rebirth: http://forums.sohc4.net/index.php/topic,173213.msg2029836.html#msg2029836
2. CB750/810cc K2  - road racer with JMR worked head 71 hp
3. Yamaha Tenere T700 2022

Where did you go on your bike today? - http://forums.sohc4.net/index.php?topic=45183.2350

Offline IAmCitizenMe

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Re: Colorado bound
« Reply #7 on: August 10, 2009, 04:27:22 PM »
I grew up in Wyoming and moved to Missouri 11 years ago. I've been back several times and I know that the altitude makes a difference but I never noticed it much when doing physical activities. I would skateboard every day here in MO and in WY and the only difference that really bothered me was the dryness. My lips would chap very easily.

As far as re-jetting, though, I wouldn't know.

Enjoy Colorado! Some of the most beautiful country in the world.
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Offline Gordon

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Re: Colorado bound
« Reply #8 on: August 10, 2009, 05:53:04 PM »
Quote from: andy750 on August 10, 2009, 04:21:27 PM
My experience with the 750 is that both my K4 and K6 didnt have any problems running at altitude while I was passing through (Southern CO, Durango, Silverton, Wolf Creek pass etc...). Maybe I wasnt there long enough. Id go with Gordon since hes the local.

cheers
Andy

The K1 is already jetted pretty rich from the factory, so it didn't take much to push it over the edge.  I think later bikes, like my '76 550, will do better without much change than the earlier 750's. 
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Colorado bound
« Reply #9 on: August 10, 2009, 06:34:59 PM »
Welcome to the Springs. Bring your basket case and we can put the puzzle together.

As far as jetting goes it all depends on the starting point. May not need to rejet if you're running a little lean now. Or as Terry says a better flowing air filter could do the trick. Or, simply smaller jets. I am running larger jets but my bike is modified. However, if I get into serious elevation it gets rich and I'm a little on the rich side now. My home elevation is 6860 feet on the north end of the Springs.

My wife works at the hospital outpatient pharmacy at Carson so you'll probably run into both of us at some point. Email or PM me when you get in and we can take a ride and check out some scenery and your jetting.

As far as physical aspects, that all depends on your current condition to a certain extent. My condition was "slug of average weight". I haven't had much problem and you should be in better shape than me. I'd done 12,000'+ hikes and skiied prior to moving out. I was a little winded upon awakening for a few months but acclimated. The dry air was a little more difficult at first but very pleasantly accepted!

Jerry  
« Last Edit: August 10, 2009, 06:41:43 PM by Jerry Rxman Griffin »
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline rbmgf7

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Re: Colorado bound
« Reply #10 on: August 10, 2009, 09:42:54 PM »
Thanks for all the info and thanks for the welcome Jerry. I just found out today that I need to be there this upcoming Monday so I need to get to packing!

I'm thinking come Labor Day weekend I'll run back to MO and pickup the CB. I only have a midsize truck and it's going to be crammed with my other bike and stuff.
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Offline rbmgf7

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Re: Colorado bound
« Reply #11 on: August 15, 2009, 05:59:00 PM »
Made it here this afternoon. Checked in, got a room, and went out to explore Colorado Springs. From what I saw, this is definitely and great city with an awesome view of the mountains. Should be settled in by the end of the week so I can get the KLX out and explore. I'm itching to see what's on the other side of the mountain range. I'm also loving all of the MTB and hiking trails conveniently located..well, everywhere!
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Colorado bound
« Reply #12 on: August 15, 2009, 10:35:32 PM »
Glad you made it in. Be careful for the red light runners here. Enjoy the great outdoors.
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline seaweb11

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Re: Colorado bound
« Reply #13 on: August 15, 2009, 11:12:47 PM »
Jerry, don't you have to change the age on your profile now?
Happy Birthday again. ;)

On altitude. My 78K has a screw to turn for extra air for high alt riding days.   6 mountain ranges over 3 weeks recently with a bike tuned for sea level.  I did have to down shift into the low gears on one of the passes 10,000?
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Offline 78 k550

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Re: Colorado bound
« Reply #14 on: August 15, 2009, 11:17:02 PM »
Welcome to Colorado.

Quote from: seaweb11 on August 15, 2009, 11:12:47 PM
Jerry, don't you have to change the age on your profile now?
Happy Birthday again. ;)

He doesn't look any older  LMAO.

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Paul
Littleton, CO

76/77 CB 750F, 
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Colorado bound
« Reply #15 on: August 16, 2009, 11:25:01 AM »
Thanks Paul  ;)

This damn site does it automatically. That hurts when you see it. Funny but I only feel one day older. At least it doesn't change to "damn near dead"  ;D
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)
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