Just did my splines, pretty glad - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Transmission / Rear End
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Rear End Woes? Splines Shot? Discuss it here!

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post #1 of 8 (permalink) Old 12-07-2010, 06:54 PM Thread Starter
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Just did my splines, pretty glad

So i just lubed my splines in the final drive. I thought it was going to be a lot harder than it was. I found it to be really easy, and i have my left wrist in a hard cast half way up my arm. What i found inside the final drive is what im sure everyone wishes they could find: Nice, lubed, and still have very healthy splines in tact. Im glad I tore it all apart, now i have the peace of mind that the splines are good and it is clean and properly lubed again. Now for the r/r.. Attachment 3281

Attachment 3282

Attachment 3283

Attachment 3284

Devin Mohler
Corporal, United States Marine Corps

1989 Honda Interceptor 500
1986 Vulcan 750, paid in full (250 bucks)

R/R Relocated (Thanks flitecontrol)
Splines Lubed
Battery Tender permanetly installed
Custom Seat

Planned mods and things:
Ear shave (using stock ears as storage)
Wrapping exhaust
Custom Exhaust

Last edited by Diamondjim05; 02-10-2011 at 03:18 PM.
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post #2 of 8 (permalink) Old 12-08-2010, 01:05 AM
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Nice job!

"Show me a man who makes no mistakes, and I'll show you a man who doesn't do things." Theodore Roosevelt."

2007 Victory Kingpin
Current projects - 1986 VN750 & 1988 EL250
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post #3 of 8 (permalink) Old 01-19-2011, 12:09 AM
'03 VN750 "Rosie"
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I just did mine 2,000 miles ago but with wheel bearing grease. I learned later from this site that it's not good enough so I did it again last weekend with Moly 60. I'm really glad i did because I found the o-ring had broken and the grease was all splattered around the interior of the final drive. Got a new O-ring at ACE hardware, cleaned everything out and re-packed it. I lubed the throttle cables as well. It was warm enough today so i took the bike to work. Feels good to be back on her, but snow is expected later this week.

'03 VN750 "Rosie"
Purchased in June 15, 2010
Lubed Splines
Lubed and Adjusted Clutch Cable, Throttle Cables.
Relocated Voltage Regulator
Brakes Bled
Luggage Rack
Lazy Rider Bag
Leather Saddle Bags
Legitimate Title!! (finally!) Aug 30, 2010
New AGM Interstate Battery Sept 15, 2012

2008 Hyosung GV250 (sold!)
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post #4 of 8 (permalink) Old 01-19-2011, 12:44 AM
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I believe there was only a window of time where the splines weren't getting lubed properly before delivery. I believe your 1986 model fell well before that window.

I tore my 2005 model down to also find well lubed splines, with a date or something written in Sharpie.

I believe it's been written here what the most common dates for dry splines was... I believe it was for a few years around the 2000 era... But, I haven't been here that long. Maybe someone else will chime in.

Good Luck!

05 VN750
Iridium Plugs
Spline Lubed front/rear
ignition pickups gapped
AGM Battery
Relocated MOSFET R/R
Coaster Mod
Pilot Screws at 2-1/4 turns
Slipstreamer S-08 Windshield
F&S Saddlebags/Mounts
Luggage Rack
12V Outlet
Mustang Seat
sissy bar
Oversized Pirelli Front Tire
6k miles

PW50, XR50, TTR90, XR100, DT175 (2-smoker), CRF230F, XR250R (dual sported), XR400R 4 KIDS, LOL!

1966 mustang street/strip
4-speed, nitrous
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post #5 of 8 (permalink) Old 01-19-2011, 12:33 PM
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When I tore my '91 down, the rear splines were lubed, but the front ones at the transmission were not.

~~C8> Ratt
'91 VN750 - Cosmic Splendor/Candy Wine
Done: Coastered, .020 ign., Iridiums, VM
Plexistar II, MCCT's, Relocated MOSFET
Next: LED's
Will Do: Horns, Shave(maybe)
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post #6 of 8 (permalink) Old 01-19-2011, 03:09 PM
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Mine is a 2001. Opened it up at 15.5 and there was nothing but rust and dust. Worn very badly. Lubed them up but they blew out a couple thousand miles later. Found a good used drive and new coupling.

Last edited by Desert Dog; 01-19-2011 at 03:11 PM.
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post #7 of 8 (permalink) Old 01-19-2011, 03:33 PM
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Most of the dry ones have been in the 2000-2006 models, but a few have been found in slightly older models. The problem with the older ones is that this is a maintenance item that is most always overlooked, and needs to be kept up with. Search on google and you'll see that all makes of shaft drive bikes are blowing the splines now and then, because it gets ignored.
The front splines get a little grease but there is little movement (the spring is at the rear) there so it's not as critical. Pull the rubber boot back and a good spray of white lithium grease does just fine. If you pull it off the front spline and slather it with moly 60, that's just fine too!

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!
Electrical Fault Finding Flowchart

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post #8 of 8 (permalink) Old 01-19-2011, 09:50 PM
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My '89 was dry.

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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