Tingly fingers

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Ian James

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After around 20 miles my two outside fingers tingle . Can I adjust the vernier isos to cure that ?
 
What clearance are they set to?
I'm not sure it will cure it but you could try backing off the adjusters.
 
After around 20 miles my two outside fingers tingle . Can I adjust the vernier isos to cure that ?
I had the same thing when riding a bicycle. I'm not sure the ISOs are to blame. It could just be a physical anomaly.
 
I had a major problem with this , turned out to be a carpel tunnel problem .
Thumb and index finger would be carpel tunnel (in the wrist). Ring and little finger would be cubital tunnel (in the elbow). I have cubital tunnel in my right hand and those 2 outer fingers are numb.

DRC
 
Sounds like carpal / cubital tunnel - I have a similar issue. I use a Throttle Rocker on the right grip, as well as a throttle lock, so that I can take my hand off the grip periodically to rest it while riding.
 
Sounds like carpal / cubital tunnel - I have a similar issue. I use a Throttle Rocker on the right grip, as well as a throttle lock, so that I can take my hand off the grip periodically to rest it while riding.
What sort of throttle lock are you using?
 
Yeah that device works well and I have found even simpler devices (link below) help considerably. They don't hold the throttle in position but they allow you to release the pressure in your fingers when you feel the need, using the heel of your hand to maintain or increase the throttle setting A friend gave me one. I had never heard of it and, frankly, didn't think it would work worth a darn but I tried it and it's been on the bike for three years now!

Amazon product ASIN B001L9KI56

OOPS - just discovered this is the same type of device that Derek mentioned in post 8. I didn't recognize the term "Throttle Rocker."
 
OOPS - just discovered that this is the same thing that Derek mentioned in post 8. I didn't recognize the term "Throttle Rocker."
I started with the Throttle Rocker device, and it was a definite improvement, but I would still get some discomfort after an hour or so. Putting the lock on solved my issues completely (short of surgery - lol)
 
I had some vibration in my bike after a check over , I pumped up the rear tyre , and tightened the chain , it helped smooth it out alot , also don't wear tight gloves .
 
I'm with the last two posts...bar end weights help. Ever notice that the RHS vibes less than the LHS? Weight to throttle , brake master etc.
Gloves too, an ill fitting glove can put a finger or two to sleep.
 
After around 20 miles my two outside fingers tingle . Can I adjust the vernier isos to cure that ?
Get an X-Ray of your thoracic and cervical spine, especially T1, C7-C5. Budging disks can cause it, but usually only one side. I had that for a long time - traction cured and it wasn't noticeable until I kept my arm in the same basic position for a while. Fast forward 10 years and the arthritis is causing it in both hands as my disks are basically gone (I'm 1" shorter). Today I have minor numbness in the right hand two outside fingers all the time, and in both hands when riding or otherwise not moving my arms much.
 
Yeah that device works well and I have found even simpler devices (link below) help considerably. They don't hold the throttle in position but they allow you to release the pressure in your fingers when you feel the need, using the heel of your hand to maintain or increase the throttle setting A friend gave me one. I had never heard of it and, frankly, didn't think it would work worth a darn but I tried it and it's been on the bike for three years now!

Amazon product ASIN B001L9KI56

OOPS - just discovered this is the same type of device that Derek mentioned in post 8. I didn't recognize the term "Throttle Rocker."
Brand name CrampBuster here, I have them on both bikes I own.

Bar end weights seem common on modern retro bikes like my bonneville, so fitting to a classic norton should be helpful. Doesn't take much, nut/bolt stuffed into bar end, held with silicon sealant should work.
 
I don't suffer those symptoms but on 3 obviously rigid engine mounted triumph twins I fit around 1lb of lead shot inside last 6 " of each bar end. Mixed with silicon and held with cork at the 4 ends. My dynamically balanced T140 is as smooth as the commando up to 80mph, smoother at some lower speeds.
Heavier than nearly all conventional bar ends and looks better.
Norton crank balance probably varies as much as Triumphs, just disguised better! So experiment with the isolastics and add a third variable with a sprung mk3 head steady if you haven't got one?
 
Hasn't lead shot been outlawed or is that only for hunting?
 
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