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Old 08-16-2010, 03:55 AM   #1
1coolbanana OP
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2010 Twin Cam Engine Vibes

Just wondering what sort of vibes the 2010 GS and GSA's are experiencing.
Ive done 5000k's on my 2010 twin cam GSA and its pretty smooth except in the cruising range.

In top gear at 120k's/hour its at 4200rpm and the vibes are really annoying through the bars, seat and pegs.

Up to 4000 rpm its smooth and over 5000rpm its smooths out again but cruising at 120-140 in top at 4200-4800 its unbearable for any length of time.

Anybody else get this?

As usual, the dealer says "they all do that" but I dont believe it.
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Old 08-16-2010, 04:02 AM   #2
jtfbb
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just over 6k on mine, including a 1000k day a couple of weeks ago, no significant vibe issues that I've noticed
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Old 08-16-2010, 04:11 AM   #3
1coolbanana OP
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Hmmmm, thats bad then, good for you though.

The vibes between 4 and 5k on mine are really annoying and uncomfortable.

Do you know if yours had the cam sensor ring done?
When I bought mine they said it wasnt necessary but when I rand them and asked them today they said that based on the VIN it had been done

Wondering if thats a likely cause?
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Old 08-16-2010, 04:24 AM   #4
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Quote:
Originally Posted by 1coolbanana
Just wondering what sort of vibes the 2010 GS and GSA's are experiencing.
Ive done 5000k's on my 2010 twin cam GSA and its pretty smooth except in the cruising range.

In top gear at 120k's/hour its at 4200rpm and the vibes are really annoying through the bars, seat and pegs.

Up to 4000 rpm its smooth and over 5000rpm its smooths out again but cruising at 120-140 in top at 4200-4800 its unbearable for any length of time.

Anybody else get this?

As usual, the dealer says "they all do that" but I dont believe it.
Sounds familiar, mine vibrates when doing 120-140 kmh. Sometimes more annoying that others, but the vibe is always there.
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Old 08-16-2010, 05:51 AM   #5
hillbillypolack
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Quote:
Originally Posted by 1coolbanana
Just wondering what sort of vibes the 2010 GS and GSA's are experiencing.
Ive done 5000k's on my 2010 twin cam GSA and its pretty smooth except in the cruising range.

In top gear at 120k's/hour its at 4200rpm and the vibes are really annoying through the bars, seat and pegs.

Up to 4000 rpm its smooth and over 5000rpm its smooths out again but cruising at 120-140 in top at 4200-4800 its unbearable for any length of time.

Anybody else get this?

As usual, the dealer says "they all do that" but I dont believe it.

When I did a lengthy test ride report, I noted the 2010 felt like it had more vibes at passing speeds (70-90 mph, 4200-5500 rpms) than the hexheads. Folks here said I was out of my tree and theirs were "smooth as silk".

Not sure if these guys were coming from thumpers or a vintage BSA (or both), but it's evident that the Boxers at agressive highway speeds are not as balanced as some hope.

However, it may be down to getting the valves just right and a good throttle body synch. My 07 is smooth as butter up to 4000 rpms. After that, she gets a little vibey. Which is unsettling when I need to put the spurs to 'er in slab traffic.
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Old 08-16-2010, 06:54 AM   #6
kencc
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I have had mine 6 weeks 8800 miles no vibe issues.
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Old 08-16-2010, 08:44 AM   #7
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Quote:
Originally Posted by 1coolbanana
Ive done 5000k's on my 2010 twin cam GSA and its pretty smooth except in the cruising range.
Do the throttle body sync exactly for your cruising speed. I got mine done for the 3 to 4k range where I'm riding it most and it's really smooth there.
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Old 08-16-2010, 11:23 AM   #8
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Yup

2010 GSA w/2500 miles.

I have noticed my GS was "less smooth" @ 4-5K RPM. Noticeable enough that I tend to shift out of that range if I'm there for any length of time.

I thought it felt like something in the engine management system hunting. I thought unkind thoughts about the EPA, considered the exhaust flapper operation, and have been thinking about TB sync, but on mine it's not irritating enough to get invasive. I figure I'll give things another 3k miles to phone home before I poke at it.

I am liking this bike. Almost enough to get an old guy to compose poetry to it.

Bob



Quote:
Originally Posted by 1coolbanana
Just wondering what sort of vibes the 2010 GS and GSA's are experiencing.
Ive done 5000k's on my 2010 twin cam GSA and its pretty smooth except in the cruising range.

In top gear at 120k's/hour its at 4200rpm and the vibes are really annoying through the bars, seat and pegs.

Up to 4000 rpm its smooth and over 5000rpm its smooths out again but cruising at 120-140 in top at 4200-4800 its unbearable for any length of time.

Anybody else get this?

As usual, the dealer says "they all do that" but I dont believe it.
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Old 08-16-2010, 11:38 AM   #9
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9800 kms on mine. I usually run in 5th gear between 4500 and 5000 rpm at about 120 k/h. No noticeable vibration detected to date.
Love it so far.
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Old 08-16-2010, 06:38 PM   #10
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Sounds like some do and some dont or maybe some do more than others.
My previous 08 was smooth as, no such issues.
Just that when you do the long distance rides, 120-130 is a nice lazy cruise speed but those vibes are annoying for any length of time.
Normally id barely notice it, just on the long haul on tar, its a pain.

That being said, its a great bike and sounds like nothing to worry about.

I did actually fit the Booster plug and left it for 2000k's and I think its actually better without.
It had better power with it but the vibes seem worse.
Generally smoother without it.

All I have to do is worry about the cam chain rattle now

Thanks guys
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Old 08-16-2010, 06:55 PM   #11
texzen
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The "accelerator module" will fix all this for something like $58. Read my threads on the GS performance upgrades if you want. I did a lot of experimenting and this was the biggest key item. The whole bike will run better and cooler...
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Old 08-16-2010, 07:54 PM   #12
1coolbanana OP
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Quote:
Originally Posted by texzen
The "accelerator module" will fix all this for something like $58. Read my threads on the GS performance upgrades if you want. I did a lot of experimenting and this was the biggest key item. The whole bike will run better and cooler...
Hi Texzen
Ive read most of your excellent posts but cant find any reference to if you had the vibes in that rpm range before the mods?

I thought the "accelerator module" and "booster plug" were pretty much the same thing?

We cant get the accelerator module too easily here from what I can gather.
Cheers
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Old 08-16-2010, 08:26 PM   #13
jtfbb
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"Do you know if yours had the cam sensor ring done"

No, I've had no problems but will check the vin etc at the 10K service.

I have to say that the my 2008 R1200R is smoother - however I think that is mainly due to it being fully run in
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Old 08-18-2010, 09:44 PM   #14
XB12R
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I went from a 2005 to a 2010 GS. The 2005 was very smooth. The 2010 starts to buzz around 65-70 MPH and never smooths out at higher speeds. I am slightly bummed about this. I'll take it to the dealer in a few days.
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Old 08-18-2010, 10:50 PM   #15
1coolbanana OP
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Quote:
Originally Posted by XB12R
I went from a 2005 to a 2010 GS. The 2005 was very smooth. The 2010 starts to buzz around 65-70 MPH and never smooths out at higher speeds. I am slightly bummed about this. I'll take it to the dealer in a few days.

Let us know what they say, but Im guessing "they're all like that"
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