Clutch up wheelies or clutcless shifts did this to my gears

Clutchless shifting is perfectly fine for most modern sportbikes. So I would say it's most likely poor shifting habits or light foot shifting. Especially if they're racing or riding really hard and are not used to clutchless shifting. When a rider is used to using the clutch there's a slight pause and shifting of their weight when they let off of the throttle moving the rider slightly forward. This takes pressure off of the shift lever of a standard shift pattern as the rider is trying to pull up on the lever at the same time. This is why I recommend clutchless shifting with a GP shift pattern as now instead of trying to pull up on the shift lever you are simply holding slight downward pressure on the shift lever and blipping the throttle. As soon as the engine unloads it moves into the next gear. It's doesn't take a lot of effort and the clutch is essentially useless at this point as there is no load on the clutch anyway for this split second. But you have to unload the engine by blipping the throttle. Holding the throttle and not blipping during clutchless shifting might result in this.

NewRedRider said:

Clutchless shifting is perfectly fine for most modern sportbikes. So I would say it's most likely poor shifting habits or light foot shifting. Especially if they're racing or riding really hard and are not used to clutchless shifting. When a rider is used to using the clutch there's a slight pause and shifting of their weight when they let off of the throttle moving the rider slightly forward. This takes pressure off of the shift lever of a standard shift pattern as the rider is trying to pull up on the lever at the same time. This is why I recommend clutchless shifting with a GP shift pattern as now instead of trying to pull up on the shift lever you are simply holding slight downward pressure on the shift lever and blipping the throttle. As soon as the engine unloads it moves into the next gear. It's doesn't take a lot of effort and the clutch is essentially useless at this point as there is no load on the clutch anyway for this split second. But you have to unload the engine by blipping the throttle. Holding the throttle and not blipping during clutchless shifting might result in this.

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i rarely did any power shifts but do shift clutchlessly fairly frequently, if am lazy cruisin or spaced out i do messup every once in a while but i do get wat yer sayin about blipping & gear loading, i do it up and down alot on both bike and previous car for 'fun', (granted that i did ruin my 350z 3rd gear synchro but its likely from power shifts) , anyway iirc, i think at my last track day it didnt wanna go from 1st to 2nd one time, i think it happened a few times more on the road before i took it apart, but i was assuming its my cheap ebay china gp shifter not installed right or getting bent or something, afterall there were some bolts/bits lying around but i assumed it's cause its universal or wrong parts or wtvr and also couldn't find any other way to fit it... looking at what u guys are saying and thinking about, it looks like yer right on the money it's my clutchless shifting especially with neutral in-between there, looks like am light foot shifting 2nd. I was wondering at first if its clutch wheelies as i chicken out 3/5 of the times and as I let go of both clutch & throttle it usually bites with a painful thud, but again thinkin about it now, the dogs should be fully in place and shouldn't do this wear pattern, but bite the baskets instead (which i found also kinda toast), anyways am contemplating replacing just this gear as the stealership advised me but as far as i know meshing gears are replaced in pairs, or what is the practice here? this is my one in a lifetime rebuild and dont wanna regret puttin it back, but also don't wanna replace everything mindlessly and apply/learn nothing.. any ideas?