08' XP bogging while climbing

[Ikendooit]

While climbing WOT sled starts to bog down to about 7,000 rpm then comes back to life. Keeps doing this until i turn out of it. Is this a clutching problem or carburator?

 

[newtrout]

While climbing WOT sled starts to bog down to about 7,000 rpm then comes back to life. Keeps doing this until i turn out of it. Is this a clutching problem or carburator?

Probably clutching. What is your clutch setup, elevation, etc?