16 days on a Vulcan 750 - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Rear End Woes? Splines Shot? Discuss it here!

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post #1 of 25 (permalink) Old 07-24-2010, 09:46 AM Thread Starter
Drive less, ride more...
 
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16 days on a Vulcan 750

For those of you who haven't see this, what follows is a webpage (with an embedded Dragon ride video) of a guy who does a multi-state tour on a VN750. As you might guess, it's a pretty interesting read.

He almost makes it back home, except that his rear splines give up the ghost, due to lack of maintenance and proper lubrication.

If he had only checked & lubed his splines b4 leaving home, he could have made it back ok (or discovered & repaired the problem)....

This post is not really meant to be in any way critical, as he may simply have not been aware of this general problem in the first place.

As of this writing, the following link for the webpage works, so here it is:

http://jr_allas.tripod.com/documents/EC2004.htm

At the time of this writing, the link inside the above for the video didn't work, so for the benefit of VN750 riders who'd like a sample of "the Dragon", you might try the following link, instead (if you watch this video, be careful...as your musical tastes may not match that of the guy who posted it):

http://video.google.com/videoplay?do...55493041453229

The moral to this story is obvious: for those VN750 owners here who have not already done so, check and lube your driveshaft's splines (and the sooner, the better)!!!!!!...

Also: be sure to ask for and use a "moly" paste that's designed for just such an application, too (like the Honda brand moly paste).

'05 VN750



For other bike pix & mods, go to:
http://s1203.photobucket.com/albums/...k/VN750%20pix/

Last edited by theauhawk; 07-25-2010 at 10:12 AM.
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post #2 of 25 (permalink) Old 07-24-2010, 12:09 PM
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Cool vid. I need to get something like that camera set up on my scoot. The song was awsome. "Shine On" by Van Halen w Sammy Haggar. Great toon.

On a side note 80 VRA (Vulcan Riders Association) members had their annual rally at the Kickstand Lodge on 7/15-17/2010 and rode the Dragon. Awsome pics and vids from them as well.

01' VN750
Jardine cross over exaust
Kyriakin grips and foot pegs
Modified seat and backrest
Windshield
Luggage rack
Crash bar with Kyriakin pegs and extensions
Kumho 758 165/80-15 CT rear Dunlop 404 110/90-19 front
Coastered and air/fuel screws at 2.5 turns
Spline lube

93' VN750 getting TLC
Decals and mirrors
Coastered and air/fuel screws at 2.5 turns
ACCTs to MCCTs
Degoated with Harley mufflers
Duro 110-90-19 front 150-90-15 rear
Pick-up coils at .020
Spline lube
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post #3 of 25 (permalink) Old 07-24-2010, 01:16 PM
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Makes me want to ride the Dragon even more! Kinda scary watching the tire cross those double yellows from time to time.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
"Black Beauty"
1989 VN750 acquired December, 2008, 6,711 miles
Currently 23,298 miles

Old Blue
2001 Honda CMX250 Rebel acquired July, 2008

1987 VN750 project bike, acquired August, 2009, 33,000 miles and balancer sticking out of the case, currently awaiting attention and parts
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post #4 of 25 (permalink) Old 07-24-2010, 06:00 PM Thread Starter
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I forgot to mention earlier--in the "Dragon" video, he really doesn't start on the real "Dragon" part until about 4:20 into the video--when he passes the resort/campground.

Then things start to get "busy".....

For those new to the forum & the bike--you can find out a lot more about how to lube your Vulcan 750 splines by searching "the Verses" sub-forum (look there under "Maintenance"), and especially by reading the link in Fergy's signature--his procedure there is up-to-date & is a very nice detailed description (with great pix) on it.

'05 VN750



For other bike pix & mods, go to:
http://s1203.photobucket.com/albums/...k/VN750%20pix/

Last edited by theauhawk; 07-25-2010 at 10:12 AM.
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post #5 of 25 (permalink) Old 07-24-2010, 06:51 PM
MANIC MECHANIC
 
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Quote:
Originally Posted by baldy View Post
Cool vid. I need to get something like that camera set up on my scoot. The song was awsome. "Shine On" by Van Halen w Sammy Haggar. Great toon.

On a side note 80 VRA (Vulcan Riders Association) members had their annual rally at the Kickstand Lodge on 7/15-17/2010 and rode the Dragon. Awsome pics and vids from them as well.
The name of the song is Humans Being by VanHagar (sorry I am a David Lee Roth fan). It is from the Twister soundtrack and was one of the new cuts on the greatest hits album.

So that is the infamous dragon, it looks cool but being from rural north east Tennessee (GO BIG ORANGE!!!!) it also looks like a lot of other roads. From the house I grew up in it was 45mins to an hour to the nearest 4 lane highway. Lots of switchbacks, very little guardrail I learned to drive and ride on roads like the dragon. If you are handy with a map you can find many roads like this in east Tennessee (GO BIG ORANGE!!!!), western North Carolina, and southeast Kentucky. But by all means explore, have fun, and never out ride yours or the bikes abilities.


34k so far
VN750.com member #613
Keep the shiny side up
coastered
de-goat and baffles removed
jetted 42-150 2 shims
Earshaved with unifilters
inside of tank coated
spline lube
long Beach Blue Pearl Paint 4/07
Shindengen FH012AA r/r
TPE stator
Exide sc30lfa Battery 28ah 445cca
Saddlemen saddlebags
2001 HD fatboy solo seat
Custom taillight & rear turn signals
Fergy's coil relay mod
Fiamm El-Grande high/low tone horns
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post #6 of 25 (permalink) Old 07-25-2010, 09:17 AM
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Quote:
Originally Posted by vulcanjoe View Post
The name of the song is Humans Being by VanHagar (sorry I am a David Lee Roth fan). It is from the Twister soundtrack and was one of the new cuts on the greatest hits album.
My bad. I have'nt heard the song for a while and the CRS kicked in. lol

I'm also a David Lee Roth fan. Van Halen just isn't the same without him.

01' VN750
Jardine cross over exaust
Kyriakin grips and foot pegs
Modified seat and backrest
Windshield
Luggage rack
Crash bar with Kyriakin pegs and extensions
Kumho 758 165/80-15 CT rear Dunlop 404 110/90-19 front
Coastered and air/fuel screws at 2.5 turns
Spline lube

93' VN750 getting TLC
Decals and mirrors
Coastered and air/fuel screws at 2.5 turns
ACCTs to MCCTs
Degoated with Harley mufflers
Duro 110-90-19 front 150-90-15 rear
Pick-up coils at .020
Spline lube
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post #7 of 25 (permalink) Old 07-25-2010, 11:05 AM
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A more recent example of the same thing... https://www.vn750.com/forum/showthread.php?t=9656
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post #8 of 25 (permalink) Old 07-25-2010, 04:12 PM
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Quote:
Originally Posted by baldy View Post
My bad. I have'nt heard the song for a while and the CRS kicked in. lol

I'm also a David Lee Roth fan. Van Halen just isn't the same without him.
Three words here,Better with Sammy!But I listen to a little of every thing So I can live with David Lee Roth, Hey V JOE I still think your bike is awful close to UK Blue,LOL




If you see it on my bike I did it
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92 vn750(sold)
Current ride 05 1500 Classic FI
lovin' the new scoot



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post #9 of 25 (permalink) Old 07-26-2010, 08:30 AM
MANIC MECHANIC
 
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Quote:
Originally Posted by denny6006 View Post
Three words here,Better with Sammy!But I listen to a little of every thing So I can live with David Lee Roth, Hey V JOE I still think your bike is awful close to UK Blue,LOL
Thats messed up, but it settles it it will be Volunteer orange next summer.


34k so far
VN750.com member #613
Keep the shiny side up
coastered
de-goat and baffles removed
jetted 42-150 2 shims
Earshaved with unifilters
inside of tank coated
spline lube
long Beach Blue Pearl Paint 4/07
Shindengen FH012AA r/r
TPE stator
Exide sc30lfa Battery 28ah 445cca
Saddlemen saddlebags
2001 HD fatboy solo seat
Custom taillight & rear turn signals
Fergy's coil relay mod
Fiamm El-Grande high/low tone horns
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post #10 of 25 (permalink) Old 07-28-2010, 12:39 AM
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I have taken more than one 2 week trip on my Vulcan 750, without any problems. But of course I'm onto the spline lube thing. It was well publicized on the VN750 Yahoo Groups forum long before this forum ever existed. While I consider this to be a combination design/assembly problem (other shaft drive bikes simply don't have the spline issue to anywhere near the degree that the Vulcan 750 does) It is something to be taken seriously if you have a Vulcan 750, which is why I keep harping on it so much. I would even go so far as to put a link to it at the top of the forum main page, in big bold letters, requesting all new forum members and new Vulcan 750 owners to read first, before anything else. I consider the spline lube issue to be the Vulcan 750's number one problem, followed by the stator, balancer, and cam chain tensioners. The problem with the spline thing is that no symptoms show up until it is already to late.


As for what kind of grease to use, I'm not sure it makes much difference. I do my splines every 10,000 miles, or very close to it, and have used several different types of grease, including BelRay waterproof grease, which does not contain ANY moly. I packed the splines well, and they were still packed well 10,000 miles later. While moly is good stuff, I think the main thing is to keep the splines well packed in grease. Moly is fine, but use a lot of it, and use it often. After 46,000 miles, my splines show no signs of wear at all. Jerry.

I am a motorcyclist, NOT a biker.


1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike

Last edited by VN750Rider/Jerry; 07-28-2010 at 12:47 AM.
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