250-500cc Throttle cable or carb?

Had a strange thing just happen. Throttle cable acts normal. But when starting bike it immediately goes wide open. Its like huh? Is there something in the carb going goofy or something with cable?

Can you hear the throttle block in the CARB slamming shut when you twist and release the throttle?

IF the cable, slide moves normally you probably have an AIR LEAK somewhere, or its not getting enough gas so I'd check these>(low on gas, kinked gas line, clogged petcock, too low float height, clogged jet). Can't think of anything else it might be.

Yes i can hear throttle slide do its normal "thunk" when bikes not running. But when running it goes full open. I did however have to do trailside repair of some clogged dirt in it one ride ago. BUT it was fine right after that. Till now.

Probably that stuff ColemanApp was asking about ... A good CARB cleaning might be the fix if all else looks OK on the bike ...

I canlook at that but I am curious about is when bike was running I remember now that throttle tube wouldnt move. It would phisically be unmovable and wide open. Confuses me.

You're gonna have to take that tube off also and investigate ..

might get the throttle cable kinked by the tank placement? I once had some quick half throttle actoin on left turns when that tank deal happened, scary.
Then there was the faulty pop start on the driveway incident when barkbusters and throttle grip were rubbing causing sticky throttle.

Jeez i wonder if thats it. I bought a new bolt for the ims tank cus i was so sick of it coming loose because the bolt barely reaches the frame. I cranked the bolt down this time too.

Crap that was it. I was pinching the throttle cable with the IMS tank.