When try to ride at a constant speed the bike feels like im letting off the gas than giving it back again. Makes bike jump foward and back foward and back almost as if it is mis firing. Any suggestions?

 

Take it to a shop and have them look at it... maybe a screwed up fuel pump, injector clogged or even a bad mapping....

 

What mods? Sounds like a lean air/fuel ratio that can come from some aftermarket exhausts and high flow filters.

 

Ended up being my chain was mess up .... i found this out on the freeway when it snapped and whipped the hell out of my back. Needless to say two bad gashes ten stitch in each luckily i had my helmet on cause it smacked the helmet good too. Put new chain on this morning and bike runs perfect.

 

wow, would have never guessed that to be the main problem. i guess you should feel lucky nothing worse happened! glad your bike runs better

 

I agree ... chain would not have been my first - tenth guess Might be time to invest in a jacket that repels flying chains ... hope you heal up fast !