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Good day all!

Well, I love the bike! I've taken care of a few issues that I wanted to pass on and get some thoughts concerning a random vibration I'm having.

I didn't realize that I had the dreaded missing headlight adjuster knob. The headlight was pointed at the trees on my way home the first night I had it out. I pulled the light and figured out I was missing the knob. I screwed the adjuster all the way out. So the light would be pointing to the sky if things were new. I put the load adjuster toggle on and screwed on two 10mm nuts. Added a little jb weld and things work like normal 24 hours later.

I also got two wind screens with the bike. My better half likes the wind deflection of the taller one. The start of the swap revealed one screw missing and two others not holding on to very much. I pulled the screen off and assessed the situation. I had purchased a set of hardware from the seller of my replacement motor, so I had extra bolts to use. The next size up, of the same length seemed to be the best option. A 7/16 drill bit and tap cured things. I found it was a better fit to only tap about half way. Just enough to get the new bolt to start. It cut the remaining threads in the soft aluminum for a tight fit. OEM look with original hardware.

I did a few other small things... adjusted the shifter. Cleaned and changed the fluid in the clutch system. Replaced the rear brakes. Connected up the original horn.

I love the little things about the bike that the Honda doesn't have. Like auto canceling turn signals. Cruise control. ESA. Cargo boxes that you don't need to have a key to open (if already unlocked). And an extra gear!

Okay, so! I'm getting a slight vibration at highway speed. It's not consistent like a tire balance issue. It includes resistance when it's there. I can describe it like a nut threading on a bolt. If you spin the nut fast, it will either thread on its own quickly OR vibrate to a rapid halt. That vibration is kinda like what I'm getting. And generally is non- existent with acceleration. Comes and goes with steady cruising.

Okay, book is long enough!

Cheers for now everyone!
Try fitting R&G racing bar end protectors - they're a different weight to the OEM ones and help to dampen out the vibes through the bars :)
 

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Discussion Starter · #22 ·
Try fitting R&G racing bar end protectors - they're a different weight to the OEM ones and help to dampen out the vibes through the bars :)
Good day!

I will look into those! Thanks for sharing!!
 

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Discussion Starter · #23 · (Edited)
Good day all!!!

So, I need to do the tires before I play with the balance shafts adjustments... I've been doing some poking around and I hear great things about the Mich PR4GT's, Bridgestone T30&T31's... I know the GT versions have a slightly harder compound to deal with increase loads, but I usually ride one up with the top box half loaded, so I don't absolutely need the GT's if those that have experienced both say the ride is better one way or the other... Are there any other changes that yous would suggest since I have to get new shoes regardless?? There aren't any options for the front other than rim size, but the rears have four different sizes avail... 170/60 (smaller than stock), 185/55 (stock), 190/50 (larger), and 190/55 (larger).... Thoughts?!

I did a search for tires, but not much on here since about 2009...

Thanks everyone!!!

Cheers!!
 

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Thanks for a good video, good maneuvering around that truck - yeah, I see that a lot in socal, people thinking they belong in the fast lane!

SpeedSafe!
Mark
 

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Good day all!!!

So, I need to do the tires before I play with the balance shafts adjustments... I've been doing some poking around and I hear great things about the Mich PR4GT's, Bridgestone T30&T31's... I know the GT versions have a slightly harder compound to deal with increase loads, but I usually ride one up with the top box half loaded, so I don't absolutely need the GT's if those that have experienced both say the ride is better one way or the other... Are there any other changes that yous would suggest since I have to get new shoes regardless?? There aren't any options for the front other than rim size, but the rears have four different sizes avail... 170/60 (smaller than stock), 185/55 (stock), 190/50 (larger), and 190/55 (larger).... Thoughts?!

I did a search for tires, but not much on here since about 2009...

Thanks everyone!!!

Cheers!!
I've had great luck with pilot roads (185/55), I swear by them! The sides are just as soft as the pilot powers, so I had confidence leaning over and tapping my knee down, which was on my old K12RS. I haven't had a chance to push my new bike that far.
My newish bike came with Metzlers, I'm experiencing some speed wobbles, but it's probably a combination of tires, older suspension, and pavement.

Speed Safe!
Mark
 

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180/55/17 is the stock size rear. I ran PR4 GT's on my bike and got 17K out of the set (yeah, I couldn't believe it either). Running PR5 GT's now and they feel a little more stable than the 4's.
 

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Discussion Starter · #27 ·
Thanks for a good video, good maneuvering around that truck - yeah, I see that a lot in socal, people thinking they belong in the fast lane!

SpeedSafe!
Mark
Yea, i don't know if the person was still asleep or their glasses were still on the counter at the house... I'd hope passing them like that got them thinking a little...

It happens here almost all the time... driver training just isn't what it use to be... "slower traffic keep right!" Nowadays, even the 24 foot Lowe's box trucks go directly into the fast lane and cruise at 1mph under the limit.... along with all the texting drivers... i went to my sister's yesterday... guy was actually steering with his knee so he could use both fingers on the phone... crazy!

Thanks!

I've had great luck with pilot roads (185/55), I swear by them! The sides are just as soft as the pilot powers, so I had confidence leaning over and tapping my knee down, which was on my old K12RS. I haven't had a chance to push my new bike that far.
My newish bike came with Metzlers, I'm experiencing some speed wobbles, but it's probably a combination of tires, older suspension, and pavement.

Speed Safe!
Mark
I was going to source some PR4GT's... just to do a little comparison since i have two bikes... they both need tires...

Thanks!
 

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Discussion Starter · #28 ·
180/55/17 is the stock size rear. I ran PR4 GT's on my bike and got 17K out of the set (yeah, I couldn't believe it either). Running PR5 GT's now and they feel a little more stable than the 4's.
Good day!

I didn't even notice i put that rear size in wrong! Good catch! I also didn't know the PR5's were out yet... i may put a set of those on the Honda since it could use some new sneakers too...

Thanks!
 

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Discussion Starter · #29 · (Edited)
Good day everyone!

Well, it looks like it's time to sell the BMW fleet and move on to another manufacturer.... i rely on the avail repair information about the vehicles i own in order to do the needed repairs and such... I've heard it on here a few times about not having all the needed info, wiring diagrams and such, that aid us in fixing our own issues... well, bmw has somewhat forced newtis.info to close so individuals will need to pay unreasonably high fees to access what was free a month ago....

Oh well! Such is life sometimes!

Good luck everyone! Cheers!
 

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2009 K1300GT, 2013 C600 Sport, 2019 S1000XR
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I've read your post and wanted to let you know that the 2009 K1300GT that I recently purchased is afflicted with the very same issue of feeling an engine vibration which comes on at about 6,000 RPM's and grows in intensity as the RPM increases. It can be felt while cruising (again with the engine sitting anywhere from 6,000 RPM and higher), while accelerating and can be felt with much more intensity on deceleration as long as the RPM's are kept above 6,000 RPM. Below this range the motor tends to smoother regardless of whether I am cruising, accelerating or decelerating.

I purchased a maintenance CD that covers the bike and found the attached document which describes the adjustment of the balance shafts. I have NOT tried to make the adjustments myself but I do intend on doing a little more investigating before turning any bolts. Hope this helps.

But regardless, have you been able to get rid of vibration with any of the work you've completed? Not sure if you still own your bikes so any help or information that you can provide would be greatly appreciated.
 

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No info or service manual? Join the crowd. Only thing out is the factory or a bootleg of the factory DVD. That item is at best a parts replacement guide, though it is nicely organized and the photos are good.
Nice that you're diving in deeply, hope you get your problem sorted!
 

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the clutch fluid on a BM is NOT the usual brake fluid... its a different type you shouldn't mix

I believe the little end bearing position in a redesigned piston on later post 2011 bikes make things smoother
then of course put the last engine map BMW released way back alongside the high octane fuel it supposed to use, make it much quicker and smoother
 

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Discussion Starter · #33 ·
Good day all!!

I know it has been some time since my last post, but I didn't take the bike out that much during the winter... And the other issue has been resolved, so no worries there!!!

Okay..... SO!!!! I got the new tires on and balanced... New bearings... different drive shaft... I still get the vibration at 5K RPM's with no acceleration... So, I think I may try the balance shaft experiment... I'll include that the vibration does get worse the faster I go.... AHEM..... So, I will be looking into other options as well... Worst case experiment would be to swap in my spare motor.... Very very worst case....

Oh, I want to share that the practice you all do will NOT be wasted!! I experienced, first hand, what muscle memory does for you when needed!!! The light turned green... traffic started to move.... 75 feet later, the owner of the car seven cars up decided they were in the wrong lane and stopped to correct the situation... EVERYONE behind them came to an abrupt stop... Before I could process what was really going on, I found myself passing two cars on their right side and hitting the brakes... Practice!!! It does help sometimes!!!

Cheers all and stay safe out there!!!
 
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