Riding at High Altitude - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 18 (permalink) Old 05-21-2016, 05:58 PM Thread Starter
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Question Riding at High Altitude

Dear All,

First of all, hi! I haven't been on the Forum for a LONG time. I've since moved from Ohio to Colorado. I now live at high altitude, around 9500 feet. I've ridden as high as the Loveland Pass, just under 12000 feet.

Question: my Vulcan has to work a little harder (just like I do!) to breathe at this altitude. But I don't really want to adjust the carbs because I will be riding at lower altitudes on a fairly regular basis. Will simply using a higher octane gasoline help? Up to this point I have only used unleaded regular.

Thanks!

EZC (Charlie)

EZC

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post #2 of 18 (permalink) Old 05-21-2016, 07:20 PM
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Quote:
Originally Posted by EasyRector View Post
Dear All,

First of all, hi! I haven't been on the Forum for a LONG time. I've since moved from Ohio to Colorado. I now live at high altitude, around 9500 feet. I've ridden as high as the Loveland Pass, just under 12000 feet.

Question: my Vulcan has to work a little harder (just like I do!) to breathe at this altitude. But I don't really want to adjust the carbs because I will be riding at lower altitudes on a fairly regular basis. Will simply using a higher octane gasoline help? Up to this point I have only used unleaded regular.

Thanks!

EZC (Charlie)
well, did me in poop, and call me "Stinky"!...........

EZ-C! how the heck are you? (besides high-9500'! )
WOW! from one "C" (Cincinnati) to and another "C" (Colorado). I know you mentioned something about moving and all....but holy Kaw! you ended up way out West! cool!

if it goes vroom or boom, I LIKE IT!
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post #3 of 18 (permalink) Old 05-21-2016, 08:28 PM Thread Starter
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Yep... living in Frisco, working in Breckenridge. The High Rockies are now my home! Good to hear you're still out and about, Ruger!

EZC

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post #4 of 18 (permalink) Old 05-21-2016, 09:11 PM
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Originally Posted by EasyRector View Post
Yep... living in Frisco, working in Breckenridge. The High Rockies are now my home! Good to hear you're still out and about, Ruger!
yeah, I'm out and about. but no where as much as you! lol

you will have to keep us all updated on what the winters are like out that way. are you able to ride year round?

if it goes vroom or boom, I LIKE IT!
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post #5 of 18 (permalink) Old 05-22-2016, 12:15 AM
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Hey Charlie it is good to hear from you.

I am no tuning guru, but I do recall a member here installing the Dial-A-Jet system to his 750 for some hi altitude riding.. IIRC it worked pretty well for him, but I do not recall his name.
Here is a link to the system;
https://thunderproducts.com/shop/dia...ycle-kawasaki/

Hope it helps EZC.

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post #6 of 18 (permalink) Old 05-22-2016, 12:33 AM
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Hey EZC what's up?

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post #7 of 18 (permalink) Old 05-22-2016, 11:11 AM
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Hey, nice to hear from you again.

My take on this is the Vulcan runs lean to start with. Running at higher altitudes gives you less air, but fueling is the same, thus you tend to run rich. Balance this with the air tends to be cooler higher up, which makes he motor run leaner...
I don't think I'd worry and long as the bike seems to run smooth through the rpm range. Check the plugs. If they aren't fouling, I'd not bother with rejecting.

The Dial-a-jet system is great, but I think it's more suited to those that are riding through multiple extreme altitudes....(like going from the beach to the mountains)

Premium gas would just likely increase your chance of fouling plugs, although the bike might at first seem to run better, but you'd be spending more $$$ and not really solving the problem.

So, really wouldn't mess with the jetting unless the bike in fact runs poorly. And I'd first start with just turning the air screws in a bit more...

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Last edited by Knifemaker; 05-22-2016 at 11:15 AM.
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post #8 of 18 (permalink) Old 05-23-2016, 10:57 PM Thread Starter
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I love riding up here. The air is thin, to be sure. But the heat and humidity, which often kept me off my bike in SW Ohio, is practically non-existent up here. So, even though it's cooler, I may end up riding more up here in the High Rockies than down in the Midwest!

EZC

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post #9 of 18 (permalink) Old 05-23-2016, 11:00 PM Thread Starter
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This is exactly what I've been hearing from others.

EZC

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post #10 of 18 (permalink) Old 05-26-2016, 06:11 PM Thread Starter
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Quote:
Originally Posted by ruger View Post
you will have to keep us all updated on what the winters are like out that way. are you able to ride year round?
The weather is very different here. What I like best is the low heat and humidity, which makes for good riding from late April through late October. Even when it's 50 it feels good because the sun is intense and the air is dry. On the other hand, it's May 25 and we're getting 1-3 inches of snow tonight! But it will disappear quickly, and I'll be back on the road. Oh yeah... you also have to watch out for fallen rocks and big wildlife on the roads!

EZC

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