Is the stealership mechanic full of SH_T?! - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 42 (permalink) Old 09-24-2009, 02:07 PM Thread Starter
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Is the stealership mechanic full of SH_T?!

Sorry if this belongs in the "Engine/Transmission" forum, but I'm pretty steamed at smelling a huge load of bull and would like some quick feedback from Those Who Would Know Better.

Feeling fed up and out of my depth, I took my '04 VN750 to the dealership for a mechanic to look at the vibration issues I've been having. The vibration starts around 3,000 RPM and gets worse from there. I can't cruise at 4K without the footpegs and handlebars buzzing my hands and feet, rattling my keys and twice causing to snap the relatively thin piece of metal I use to extend my Stebel air horns away from my forks (out of the way of the relocated turn signals). I think the vibration is also responsible for my EZ-Pass tag breaking down, to the point where something inside of it was rattling loose when I turned it in for a new one. I've looked at my carbs and they seem reasonably in sync, so anything else is beyond me.

This is a DIFFERENT dealership than the one I've been to before, that didn't so much as replace my clutch cable when I complained about a sticky clutch on my '94 VN750, instead saying they "lubed everything", which apparently included changing my oil (which I'd specifically asked them NOT to do as I like to do it myself), and super-torquing my oil drain plug so I stripped the hex bolt head trying to remove it this past weekend.

So I'm not going back there, and had better hopes for this dealership. But now after 2 days they're telling me the source of the vibration is that I need a new set of tires.

WTF?

Now this doesn't come completely out of the blue. I commented when I brought the bike in on Tuesday that the tires were nearly 6 years old, even if the bike only has about 2,700 miles on it, and I was interested in getting a price quote on ME880s.

So just now, I got a call from them saying the tires would cost 195/135 front and rear. Not including installation, which would be another $150.

"Wow, that's kind of steep, I'll think about it. What about the vibration issue?"
"It's due to the tires."
"What?!"

He went back to double check with the techs and came back with the same answer: "Yep, if you get new tires, the problem will go away."

No freaking way, right?!!!

"Until you have the courage to lose sight of the shore, you will not know the terror of being forever lost at sea." (Despair.com)

Last edited by robardin; 09-24-2009 at 02:10 PM.
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post #2 of 42 (permalink) Old 09-24-2009, 02:14 PM
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I haven't experienced the sort of vibration you describe, and I put about 300 miles on tires that were 10-20 years old! The tire and installation prices seem awfully high to me. Have you thought about pulling the rims and saving that cost?

I don't like dealerships. Arrogant and ignorant to a fault!

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
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post #3 of 42 (permalink) Old 09-24-2009, 02:31 PM
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Is this a recent vibration or ever since you had the bike? If the tires are not balanced - perhaps that could be the problem. But if it is just recent - I don't know. Check for bent wheels maybe?
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post #4 of 42 (permalink) Old 09-24-2009, 02:33 PM
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tires can cause a major vibration issue... but u said rpm not speed ???

rpm hoever makes me lead to believe that its that dampenerr or engine mounts... how many milles is your bike and what year is it?

balance ect... but being your tires are that old its probably time for new ones...


the price on the tires is par . ask them how much to install the tires if u bring the wheels in?... it took a lot of lookin but i found a shop in seattle that installs for 30 a tire on the bike if u purchase the tire there however that was by far the cheapest place around.... and most shops will install and balance for free if u bring in the rim...



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post #5 of 42 (permalink) Old 09-24-2009, 02:33 PM
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Does the bike vibrate when you rev it in neutral?

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post #6 of 42 (permalink) Old 09-24-2009, 02:42 PM
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Quote:
Originally Posted by skalding View Post
Does the bike vibrate when you rev it in neutral?
That would be the key question here. I don't remember in your other thread if you mentioned the vibration was only when riding or just revving in neutral.

About tires, depending on how your other thread was written, I am somewhat ashamed that none of us picked up on the possibility of bad tires. It is not unusual for a tire to go bad and give you the shimmies. 6 year old tires is probably right on the fence as far as needing replaced no matter what the mileage on them is. Some say two years max! If you can put the bike on the centerstand, have someone sit on the bike to pop the front tire off the ground and you stand there and spin the tire and watch the tread while your eyes are fixed on a non-moving object, like the fender and see if you can detect a wobble in the tread. You might be able to see this and verify it yourself. I'm thinking you will if it is shaking you that badly when up to speed, again assuming it only vibrates when you are rolling and not when revving in neutral!

EDIT: I just reviewed your other thread and while you didn't mention whether you were feeling the vibes while just revving the bike in neutral, I believe the way you wrote it, everyone assumed that's what you meant. That might explain why no one suggested the tires...

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Last edited by fergy; 09-24-2009 at 02:45 PM.
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post #7 of 42 (permalink) Old 09-24-2009, 02:54 PM
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I would ask the technician or service manager to demonstrate how they are sure of this.

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post #8 of 42 (permalink) Old 09-24-2009, 02:55 PM Thread Starter
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Quote:
Originally Posted by seebeeare View Post
tires can cause a major vibration issue... but u said rpm not speed ???

rpm hoever makes me lead to believe that its that dampenerr or engine mounts... how many milles is your bike and what year is it?

balance ect... but being your tires are that old its probably time for new ones...


the price on the tires is par . ask them how much to install the tires if u bring the wheels in?... it took a lot of lookin but i found a shop in seattle that installs for 30 a tire on the bike if u purchase the tire there however that was by far the cheapest place around.... and most shops will install and balance for free if u bring in the rim...
The bike is a 2004 year model I got in March with just 555 miles on it. I had the carbs cleaned and synced at the other dealership, which I am not going back to.

I specifically said to them I found it hard to believe it was due to the tires, and asked about any vibration dampener, the guy said this bike doesn't have one, "the engine just sits in the frame". Maybe I used the wrong terminology, but ... whuh?

OK I know the Metz's are expensive, but I didn't know they were THAT expensive. I'd even be willing to let them overcharge me on the install, IF I found a place I felt I could trust mechanically for those things I feel are out of my league to address on my own (and as I learn more, I hope to reduce that domain). I might go with cheaper tires too. If getting new tires really did fix this problem I'd be happy for the solution and the correct diagnosis.

But so far it doesn't pass my (admittedly newbie) smell test, and I'd just lose it if I greenlighted the $500 tire job, then picked the bike up and it still vibrated as much as before.

"Until you have the courage to lose sight of the shore, you will not know the terror of being forever lost at sea." (Despair.com)
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post #9 of 42 (permalink) Old 09-24-2009, 03:05 PM
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i got the rear for 195 installed but i also used to have a buddy that worked at the shop and got it at cost plus 10 ... plus the 30dollar shop installed ... if i went anywhere else it was almost 2 for the tire and a grip to have them install it ...

They are great wet cold weather tire very soft and wear out quickly... wouldnt ride anything else I live in seattle and its my only transport



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post #10 of 42 (permalink) Old 09-24-2009, 03:10 PM
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Does the engine vibrate like crazy when you rev it up to 4K while in neutral? Again, this is the key question as to tires or engine!

Fergy
Kyle, TX VN750.com member #707 VROC#19556
2002 VN1500 Classic
Spline Lube Procedure, with photos, R/R Relocation and Coil Mod
Rusty Tank Cleaning!
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