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V-Force and High altitude ??

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Old 05-06-2003, 03:27 PM
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Default V-Force and High altitude ??

I just picked up my new Green V yesterday. As I was bringing it home I had one eye on the owners manual. In it I read that the V-Force is set up for use under 1640 feet in elevation. "Use above this altitude requires replacement of certain carbureator components and belt drive transmission components", and "......at high altitude the engine performance will decrease. This is why readjustment of both weights and spring preload of transmission is required".

I understand that there is less air up here (at 7200 feet) which means that in the mile I have driven it, it is probably running really rich although it doesn't give any indication of it. I ordered a shop manual yesterday. I'm sure it would tell me what adjustments I need to make but I won't get it for about a week. Does any of my fellow V Forcers have any suggestions of what if any changes I should make.

Another question; In the manual it says to drain the float bowls before transporting, (nothing about closing the fuel tap), and in another area of the manual its says that the fuel tap should be kept on all the time and does not need to be turned. On my previous bikes all I ever did was close the fuel tap before transporting. What is the consensus?

Thanks in advance.
 
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Old 05-07-2003, 12:57 PM
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Default V-Force and High altitude ??

What are the mods needed for the tranny? Why would high altitude have an effect on it?
 
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Old 05-07-2003, 01:10 PM
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Default V-Force and High altitude ??

They say that drive clutch weights and spring , and the driven clutch spring need to be changed out.
Maybe the Kaw dealer already jetted for your area. I would call him back, and ask.
 
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Old 05-07-2003, 01:40 PM
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Default V-Force and High altitude ??

Unfortunately, we took it out of the crate, put the handle bars up checked the fluids and on the trailor it went. Does anyone have a service manual yet? What does it say? Mine is on order.
 
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Old 05-07-2003, 02:06 PM
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Default V-Force and High altitude ??

I got my service manual last week. I says that there are NO changes to the clutching for altitude. I would think maybe some lighter weights in the primary but the book says no. There is a jetting change from 1200 ft (?) to 4900 ft and every 3000 feet after that. I run at 2600 feet stock and my plugs are spot on with the factory jetting. The deflection for the belt is approx 1 inch (.89 to 1.06). The stock bulbs are 45/45 watts so those 6260a 55/65 watts will help out. All in all a very well written manual
 
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Old 05-07-2003, 02:37 PM
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Default V-Force and High altitude ??

xc800-- That is too weird. The P-650 manual has the weights, and springs in a chart, according to altitude range.
 
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Old 05-08-2003, 03:30 AM
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Default V-Force and High altitude ??

The V-Force is already using the high-altitude weights/spring spacers as a Prairie 650 calls for, if my memory is correct. My ramp weights for my high-altitude clutch P650 are P# 39152-1088 (C1).
Standard ramp weights are (Std.,C)
I am right at perfect with the 4900 - 8200 ft jetting & I ride at the 7000 to 10,000ft range & that is with a Twin-air filter and a DG Snorkel.
 
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Old 05-08-2003, 12:16 PM
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Default V-Force and High altitude ??

bfB650:

Do you mean to say that the V-Force comes stock with the 650 high alititude weights, springs??.

I would like to try a lighter spring AND lighter weights even though the manual calls for no clutch changes.

What I cannot understand is why my plug color is dead on but according to the book, I am running too rich. run 2700-32-- and have stock jetting with zero mods








 
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Old 05-09-2003, 01:28 AM
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Default V-Force and High altitude ??

XC800
Yes, to my understanding the VForce comes stock with the Prairie650 high-altitude ramp weights (which are lighter) & spring spacers.
A while back, in these forums, when the 1st 700's came out, there was a discussion on the ramp weights.
According to my dealer & Kawasaki, the jetting I am now at, 132F/138R (4900 - 8200ft) is incorrect but when I had the 130F/132R jets in for the 8200-11,500 ft elevation range, as the dealer/Kawa suggested, my 650 plugs were running black & my 650 was hard to start when cold. Now, with the DG snorkel & DG suggested I drop down a step in jetting & along with the Twin-air filter, my plugs are running a perfect color, with all power thru-out the powerband. My P650 starts now when cold - easy.
Presently I am using the Kawasaki jets & not Dynojets.
I ride at the 7000 to 10,000 ft range.
 
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Old 05-09-2003, 12:06 PM
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Default V-Force and High altitude ??

I think I am going to put on an ATTAC from Holtzman Engineering. We run them on our sleds and I run the quad in the same areas in summer. Around home 27-3200 feet and the 1.5 hrs away from 5500 to 8000 feet in the Rockies. Bacially you jet for as cold and as low of a elevation that you will ever ride in. Then the ATTAC takes over with a pressure compensator that adjusts for float bowl pressure for any elevation and temp that you ride in. Works great on the sleds as you are always dialed in. when you run from 2700 to 8000 feet and back, it saves on having to jet all the time.
 


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