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It sounds like a handful of variables might be causing your issue. In theory, you could be subconsiously gripping tighter to compensate for the lack of direct feeling in the grip due to the combination of the soft/padded gloves and the pillow grips. The elbow sleeves might feel comfortable but there's a possibility they could be obstructing bloodflow. Maybe the handlebar position is putting your arms in an awkward spot, or possibly the bar bend itself (assuming you changed to a different bend than stock)? Throttle play is another subtle setting which heavily influences your instinctive throttle response. I've had...

https://www.vitalmx.com/forums/moto-related/numb-hands https://www.vitalmx.com/forums/moto-related/funny-bone-pain And a more recent thread https://www.vitalmx.com/forums/moto-related/ulnar-nerve-sub-muscular-re…

Its a pinched or tight nerve most likely, in elbow. Go to a specialist, let them measure it. Get the surgery.

They do hand & finger test . Then inject the elbow . 2 weeks later test again. If you fail the test you hv surgery. But don’t do it your pinky will be 100% numb & cold when it’s 90 out. Next finger 80% numb both finger threw hand into wrist will be numb forever. Try to get a massive doze of prednisone instead . If that don’t work let it rest for a yr.

Sounds like your ulnar nerve to me. I'd watch some videos on "nerve glides" and sleeping position. The bike change may exacerbate the problem but isn't likely the root cause.

That’s good sounds like you got lucky . My surgeon said I never saw such an active nerve . And I did mlb pitchers . I hv Super twitch muscles my left hand & arm always had a quick twitch. It does that everyday even when your not doing anything. Great for the clutch tho

Solid Vital advice!

Not speaking about the numbness, but as far as bike setup, I'd advise not rolling your bars past the angle of the forks. In my experience, it stretches your arms far out and makes the front feel a little more nervous. If you want your elbows to tuck in, consider rolling them back (from neutral/in line with forks) a couple of degrees. A couple of degrees can make a big difference.

Sounds like you have huge hands and that regular grips are awfully damn small for you(hence, you’ve already tried a bigger grip. Isn’t The Rogue bigger?). I’m guessing that “hanging on” to the bike has you squeezing the grip too hard…& too often/too long a period of time. I’d be looking towards advice from specialists and the well informed answers they might have. I can’t help wondering if your body position on the bike is also an issue? Does it cause your arm/hand position to be over-stressed? I’d look for sports specialists that deal with athletes with large hands…from golf...

04 oem cr125 grips. I had elbow surgery cut on my funny bone 2 3/4 hrs ruined 2 fingers threw hand into wrist. Nerve damage in shoulder , all disk in neck ruptured that causes arm & finger numb problems . I could go on for hrs on injuries. The grips are super tacky & padded well . Way better grips than 25 Hondas or anything out there.

"I have been concentrating on loosening my grip and using my knees more." IMHO there's your answer, in addition to tire choice, pressure and suspension setup. Curious, where your other bikes as "gnarly" so to speak, as the YZ450? You may just be holding on a bit tighter.