Author Topic: More Spline issues  (Read 6159 times)

Offline andwew

  • Motobrick Curious
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More Spline issues
« on: May 23, 2015, 10:49:24 PM »
Hi guys-
I lubed my splines for the first time today. They don't look so great





I lubed them nicely and put it back together. Seems to be riding fine now.

What are my options here for a long lasting trouble free bike?
87 K75   :riding:

Offline johnny

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Re: More Spline issues
« Reply #1 on: May 23, 2015, 10:52:17 PM »
greetings andwew...

what is that... a 85 k100rs...

j o
  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline andwew

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Re: More Spline issues
« Reply #2 on: May 23, 2015, 10:52:52 PM »
87 K75   :riding:
87 K75   :riding:

Offline johnny

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Re: More Spline issues
« Reply #3 on: May 23, 2015, 10:56:33 PM »
o... one of those 3 bangers... id ride it fast hard often... lube those splines approx every 20 thou...

j o
  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline andwew

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Re: More Spline issues
« Reply #4 on: May 23, 2015, 10:57:46 PM »
Siiiiiick! I'll keep riding as if the splines are brand new!  :2thumbup:
87 K75   :riding:

Offline Elipten

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Re: More Spline issues
« Reply #5 on: May 24, 2015, 10:24:01 AM »
Highly worn, save money for Bruno or find a good driveshaft as the day is not far off in the future.
  • San Antonio, TX
  • 1990 K75RT

Offline F14CRAZY

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  • Posts: 1091
Re: More Spline issues
« Reply #6 on: May 24, 2015, 10:50:25 AM »
Those aren't bad. A couple years ago I decided to replace a shaft in my '85 OMC Series 400 sterndrive as it didn't look that good...boat still moved fine...



  • Grand Rapids, MI
  • '87 K75C
'87 K75C w/ Pichler V1 fairing. LED's, CATZ driving lights, Audiovox cruise, LT top case, tons of other mods by Drake...


Offline Motorhobo

  • +25 years of K75
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Re: More Spline issues
« Reply #7 on: May 24, 2015, 11:16:04 AM »
Those are about where mine are one one of my k75. I just lubed the crap out of them and hope to get thru the season. But I keep it out of neutral or else you get that spline-slapping sound. I read here last year that worn splines are the cause of the slapping sound you get at idle with worn splines as they whack up against each other due to excessive play between them. Both my K75s had this and one one of them the slapping sound went away once I'd upgraded the driveshaft to nearly-new Bruno rebuild.

I still don't know whether there's enough torque on the splines in neutral to cause further spline damage but always keep the clutch engaged because the noise is annoying and is a constant reminder of what crappy shape the splines are in.

Wondering if anyone else has spline-slap and how you deal with it.
1994/1995 K75 ABS Frankenbike: original engine 136k miles, frame from Gary Weaver (RIP), 173k miles -- Current Odometer: 198k miles
1994 K75 since 2013, 82,000 mi (19k mine) w/California Sidecar Friendship II Sidecar & Black Lab 'Miss B' - RIP

Past: 1974 Honda 550/4 (first bike), 1994 K75 (sold), 1995 K75 ABS (parts bike), Sidecar Dog & Best Bud 'Bo' - RIP

Offline andwew

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Re: More Spline issues
« Reply #8 on: May 24, 2015, 01:01:01 PM »
Ok, so it sounds like I should take action sooner than later. This is my main mode of transportation so 1k repair sounds better than a new bike...kind of.
This is the first time I've heard about brunos. Id buy a new drive shaft from him? And pinion shaft? This would cost around $800? Thanks!
87 K75   :riding:

Offline TX brick

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Re: More Spline issues
« Reply #9 on: May 24, 2015, 05:46:59 PM »
Ok, so it sounds like I should take action sooner than later. This is my main mode of transportation so 1k repair sounds better than a new bike...kind of.
This is the first time I've heard about brunos. Id buy a new drive shaft from him? And pinion shaft? This would cost around $800? Thanks!

You send your final drive and driveshaft to him and he rebuilds them. He also modifies the shaft to hold the grease in place.
Ron

91 K75RT

Belton Tx

Offline johnny

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Re: More Spline issues
« Reply #10 on: May 24, 2015, 06:53:26 PM »
i have used honda moly 60... that wurth 3000 stuff... guard dog gd525... and a cocktail of all 3 together...

im thinking for those splines i would go 1/3 of each... stir it up real good and apply... then ride it and forget about it till the next 20 thou... or until i could feel it needing another lube...

im betting if you are not pulling hole shots or wheeling or stunting or shifting violently... meaning precision throttle and brake control... you will be fine for years with what you have left there...

j o
  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline andwew

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Re: More Spline issues
« Reply #11 on: May 24, 2015, 10:53:44 PM »
Thanks guys. Great info here :2thumbup:
87 K75   :riding:

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