Am I Screwed? Just bought an 85 VN 700 - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 9 (permalink) Old 04-27-2009, 01:19 AM Thread Starter
 
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Angry Am I Screwed? Just bought an 85 VN 700

Hi all, I'm new to this forum... just bought a really sweet clean 85 VN 700. It's got 40k miles on it, but is very well taken care of. I got it for $950. I've really enjoyed my first day with it, but then I saw this post on another forum:

Quote:
That is the one model of Vulcan to avoid like the plague. Something inside the cases tends to come loose and grenade the bottom end. I've been riding/working on bikes for 19 years, I've seen a grand total of ONE running VN700. And I'm pretty sure it belongs to Bear, from this forum...
Is this true?! Are these bikes prone to major engine implosion? I sure hope not, cuz I just started liking this bike.

Also, great forum, thanks!

Last edited by dubious; 04-27-2009 at 01:30 AM.
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post #2 of 9 (permalink) Old 04-27-2009, 01:41 AM
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Quote:
Originally Posted by dubious View Post
Hi all, I'm new to this forum... just bought a really sweet clean 85 VN 700. I've really enjoyed my first day with it, but then I saw this post on another forum:



Is this true?! Are these bikes prone to major engine implosion? I sure hope not, cuz I just started liking this bike.

Also, great forum, thanks!
The vn700 and the vn750 have the same engine except for cylinder sleeve and piston. If they were prone to have major engine implosions we would not have over 6000 members.

I think what you are refering to is the balance damper failure which can result in a cracked engine case, it can happen to both models. The dampers are rubber and over time will deteriorate and fail.

The parts are under $60.00 to replace, if you are mechanicaly inclined you can replace them or have someone else do the work. The engine will have to be removed.


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
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post #3 of 9 (permalink) Old 04-27-2009, 01:50 AM
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Quote:
Originally Posted by dubious View Post
Hi all, I'm new to this forum... just bought a really sweet clean 85 VN 700. It's got 40k miles on it, but is very well taken care of. I got it for $950. I've really enjoyed my first day with it, but then I saw this post on another forum:



Is this true?! Are these bikes prone to major engine implosion? I sure hope not, cuz I just started liking this bike.

Also, great forum, thanks!
looks like your bike has enough miles on it to prevent the rubber from pre deteriorating.... low mile older bikes rubber tends to weakin without use and then when it starts to get used well .... think of an eraser on a pencil u ever used an old pencil?



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post #4 of 9 (permalink) Old 04-27-2009, 10:53 AM
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I have 34k on mine and it still running fine.
Welcome to the group.

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post #5 of 9 (permalink) Old 04-27-2009, 12:46 PM
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The balancer problem is happening with both the VN700 and VN750. It's an age thing but there are early warnings. Some of the "pre-90s" VN750s have had it happen also.
If you start noticing vibrations or metalic noises and if you see metal shavings on the oil screen and little bits of black rubber (Always drain the oil from the side plug, it's where the oil screen is) then the dampers have started to break down.
The balancers are what keep the engine smoothed out and lessen the vibrations. When the dampeners break down the balancer "wobbles" and starts hitting casing. It will happen on all years eventually though a well ridden bike keeps those dampeners moistened. If a bike has been sitting for years, gaskets, dampeners, motor mounts, o-rings etc tend to dry out no matter what the year. I'd be cautious of a 2000 that has sat for 4-5 years.
No real concern, just something to keep in mind and check for.

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post #6 of 9 (permalink) Old 04-27-2009, 12:53 PM
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Dubious:

Like this................


92075-1747 -Damper 4 @ $5.11 = $20.44
92075-1748 -Damper 2 @ $6.12 = $12.24
$32.68
www.Cheapcycleparts.com



Quote:
Originally Posted by lance328 View Post
I think what you are refering to is the balance damper failure which can result in a cracked engine case, it can happen to both models. The dampers are rubber and over time will deteriorate and fail.

The parts are under $60.00 to replace, if you are mechanicaly inclined you can replace them or have someone else do the work. The engine will have to be removed.

JaY



"Veronica"
2002 VN750 Vulcan
Rebuilt Engine
ACCTs lubed w/TOC Springs
Pick-up Coils Gapped at .018"
Splines Lubed
Deka MF AGM EXT15L Battery
NGK Iridium IX Spark Plugs
R/R Relocation Fix
New Rear Rack
Stock Seat Repadded
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post #7 of 9 (permalink) Old 04-27-2009, 08:11 PM
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I'm sure Kawasaki would not make a bike prone to implode for 20 years and leave it "unchanged!" Can you spell moron?

Welcome to the forum for those whose bikes do not implode, I think you'll be around for a long while!

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post #8 of 9 (permalink) Old 04-28-2009, 03:06 PM Thread Starter
 
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Cheers guys, i feel a lot better about it. Lovin my VN 700!
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post #9 of 9 (permalink) Old 04-28-2009, 03:23 PM
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Quote:
Originally Posted by dubious View Post
Cheers guys, i feel a lot better about it. Lovin my VN 700!
Damn it!!! I was going to try and lie to you saying that "Yes you got ripped" then offer to buy it from you for pennies...LOL. Enjoy your ride, they are sweet machines.


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