• 2005 DR650SE 5500 miles
• IMS 4.9 gallon tank
• No other mods that would affect the current issue.

So, after a five day hiatus in the Mtns of CO last week I let my bike sit for a few days. When I finally got around to starting it again it was very hard to start and when it did finally turn over it was a rough few seconds at first sputtering around and all. After a bit it idled fine and everything seemed ok. That was until I took it for a little spin. I noticed that getting on the throttle in first or second would cause the bike to bog out and almost stall almost as if it had water in the tank, but it does not.

The history is it ran fine until I took it to CO for five days of high altitude riding. I notice at altitude (10k +) it was very sluggish, and as the days went on i noticed it was a bit harder to start. When I say harder I mean that I had to give throttle to get it to turn over when I have never really had to do that before.

I do notice a light ticking sound and maybe this indicates I need to adjust my Valves. I have heard people talking of the float adjustment in the carb but I do not know the reason this is done or the symptoms of it needing adjustment. I think my issue is carb related but just what is wrong with it is beyond my scope at the moment.

I have a K&N Airfilter comiong in tomorrow so I will put that in. I do not think my airfilter looks dirty at all but maybe it is clogged up. I hope it could be something that simple.

These are my issues...

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2005 DR650SE, 98% Stock...
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