1990 sj 650 wont rev up

[terenceferguson]

When i start it up it idles a lil high and maybe a lil rough and when you give it gas it wont rev up it just boggs. i put new gas, plugs, and new inline fuel filter and its still doing the same thing. Any ideas of what else it may be. Thanks

 

[Cliff]

clean the carb. probally about stopped up.