Sore thumb question... - Kawasaki KLR 650 Forum
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post #1 of 5 Old 07-05-2017, 01:29 PM Thread Starter
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Location: Denver, Colorado
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Sore thumb question...

Hi - I'm hoping for some ADV advice relating to sore thumbs.

I did Cinnamon Pass this weekend (much prettier than it looks on the internet) but when I finally got back to camp, my thumbs hurt so bad I could barely get my helmet off...and they still hurt. (Please forgive my typing...)

I'm sure that it had something to do with going over some very rugged terrain (big rocks, whoops, etc.), but I'm wondering how you folks deal with this problem. Thanks for any advice!
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post #2 of 5 Old 07-05-2017, 08:23 PM
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I've had a sore RH thumb from ATV & Snowmobile Thumb throttles. And I have rubbed the hide RAW on the 1st thumb joints from not wearing gloves on an aggressive dirt ride or 3. (They were in the Other gear bag.)

I've had sore shoulders, elbows, wrists and left hand (lots of clutch work). But I can't recall ever having only sore thumbs from a motorcycle ride.

Maybe your handlebars are pushed too far forward, causing the grips to point Up a bit. Which could put your entire hand and wrist at an uncomfortable angle? Loosen the rearward clamp bolts 1st, then one forward bolt. Then lightly loosen the 2nd forward bolt, just enough to allow bars to be moved. Tighten in reverse order. (The clamps are stepped, not flat) Re-adjust other controls to match.

Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 85,000+ miles & counting
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post #3 of 5 Old 07-06-2017, 10:36 AM
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...what Paul said; it was routine for me to rub the skin off even when wearing gloves for the first few rides/races of the year until the calluses built up. I haven't had any specific thumb related soreness other than that unless due to an impact or injury.

Could be the bars/positioning....worth a shot. FWIW, the stock bars are too wide, have too much pullback and are very weak anyhow so replacement is never a bad thing.

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post #4 of 5 Old 07-06-2017, 10:51 AM Thread Starter
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Thanks for the sage advice - I'll take a look at repositioning the bars and see if that makes a difference. In retrospect, I think I may also have been gripping the bars "a little too tightly" (think - death grip), which certainly didn't help.

Thanks again - I think I may end up replacing the bars for something a little wider and more robust than the stock bars.
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post #5 of 5 Old 07-06-2017, 11:07 AM
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Try relaxing your grip. I've riden a bike off and on over the last 40 years and find when getting back on after a period not riding, I'll hold the grips too tight and have to consciously relax the grip, especially on long rides. If I don't I'll get muscle spasms in my hands, worse with skinny grips with my big paws.
Might not be what's happening for you, soreness would seem to be to me more a rubbing of sorts maybe.

2016 KLR 650
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2018 Ducati V4S
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