Mid shaft issues vstar 1100 - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
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post #1 of 13 (permalink) Old 02-10-2015, 11:57 AM Thread Starter
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Mid shaft issues vstar 1100

Maybe this has been addressed, but I couldn't find anything from searching. The mid shaft nut issues that the 02 and 06 1100's had, is this a big issue that people have seen. It seems like if mainly affected those years, but after 06 was something put in place to fix the problem from happening? Seems like a huge deal, and honestly has me kind of curious. I would hate to be going down the highway and the real wheel lock up because the drive shaft snapped and got in a bind. I'm sure you guys will put my concerns to ease.
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post #2 of 13 (permalink) Old 02-10-2015, 06:11 PM
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Hatchet, I don't understand you not finding anything on the mid shaft issue on here. I posted my issues and so did many others. In any case, Yamaha came out with a larger shaft to help solve this issue. I'm not sure on the year they came out with this repair; maybe Mick can enlighten us. One thing you can do to set your mind at ease is to have a look at the nut. If it hasn't moved, stake it in place. If it has started to move, torque it back up and stake it.

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post #3 of 13 (permalink) Old 02-10-2015, 06:41 PM
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Almost all years of V Star 1100 have had the mid shaft issue. You have to realize that the greatest numbers were sold during the years you listed....so of course we see more instances of it. As much as you might hear about, it is still a relatively uncommon occurrence. I don't think Yamaha ever changed anything except a more aggressive staking of the nut....and that wasn't until 08 or 09 if I remember correctly.

If you want to avoid it for sure. Just stack the nut in place and you'll never have to worry about it.

Also..the rear wheel will not lock up...the bike will run and move just fine, it'll just be really noisy and you'll know something is wrong. I've seen guys ride over 100 miles with it broken. It did beat things up a little in the shaft area like the speedo sensor, but all was easily fixable even after all of those miles.

Even if it does break, it's a pretty simple and inexpensive repair. I did it 20,000 miles ago and have not had an issue since. Nor have I seen anyone have an issue with the repair in all the instances I've seen over the last 12 years.

The 1100 is an incredibly durable machine.....

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post #4 of 13 (permalink) Old 02-10-2015, 07:12 PM Thread Starter
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I appreciate the response. I tried to sift through all the posts when searching the issue. Maybe I wasn't searching the right key words. I was planning on taking it apart and taking a look either way, I was mostly curious if it was an issue towards the end of the 1100s reign over the vstar line and if they came out with a fix I didn't wanna stake it for nothing. thank yall for the info. Definitely helped.
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post #5 of 13 (permalink) Old 02-11-2015, 05:04 PM
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08 was the fix thank goodness. After I got my bike and started to read that it freaked me out. From what I have read there have been no serious injuries from this failure most common is a brown spot in ones underware thank God.'

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post #6 of 13 (permalink) Old 02-11-2015, 05:26 PM
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mine is an 07 california model. it's staked from the factory staked on both the nut and shaft
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post #7 of 13 (permalink) Old 09-17-2015, 09:27 AM
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My '05 VStar 1100 just turned over 25,000 miles when I noticed the whining noise. Started researching, then I did a visual inspection and found the middle driven shaft broke at the very end; I had to bring the nut into work with me to get the remains of the shaft out of it - it was staked and did not come out easily. For my machine anyway looseness of the nut doesn't seem to be the root cause of the failure.

I am in the midst of removing the engine and am planning to take it to a local machine shop to have the shaft end milled flat and tapped for a grade 8 bolt (M8-1.25 x 16 mm).

I'm still wondering about the original nut; should I mill it down in height or can I find one with the same flange that is thinner? What's the spec on the nut, anyone know?

2005 Yamaha V-Star 1100 Custom
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post #8 of 13 (permalink) Old 09-18-2015, 04:29 AM
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When I start machining my own bolts or drive shaft, I want someone to just shove me out of the plane without a chute. I ride an average of about 20,000 miles (per year) on my '07 V-Star 1100 Classic, and my Certified Yamaha mechanic is a necessary and valued part of my "team". That said, I admire your skills with machine tools and wish you all the best.
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post #9 of 13 (permalink) Old 09-18-2015, 04:37 PM
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OK I guess I'm the stupid one here but what exactly is the mid-shaft issue? I have an 06 with just over 24K. No issues thus far but what do I need to look for or check to make sure I don't have any problems? From reading the posts I'm assuming a nut somewhere works loose.
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post #10 of 13 (permalink) Old 09-18-2015, 06:34 PM
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