should i really lube the splines again?? - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
 
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post #1 of 8 (permalink) Old 08-27-2016, 07:41 PM Thread Starter
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should i really lube the splines again??

v star 650 classic--about 1000 miles ago i started hearing this clicking coming from the final drive, and i checked the oil, aligned and lubes the splines, and found that the splines were the issue. lubes them up really nice, put it all back together and aligned and all was good. now its making the sound again only 1000 miles later, oil is still good, alignment checks out and its still clicking. next step would be to pull it all off again and check to see if its still lubed up well, but i was asking to see if anyone knows the problem. its so quiet you cant hear it unless the bike is idling or off, and when its off i can feel a slight vibration coming from the back
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post #2 of 8 (permalink) Old 08-27-2016, 10:30 PM
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Originally Posted by Josh Swickheimer View Post
v star 650 classic--about 1000 miles ago i started hearing this clicking coming from the final drive, and i checked the oil, aligned and lubes the splines, and found that the splines were the issue. lubes them up really nice, put it all back together and aligned and all was good. now its making the sound again only 1000 miles later, oil is still good, alignment checks out and its still clicking. next step would be to pull it all off again and check to see if its still lubed up well, but i was asking to see if anyone knows the problem. its so quiet you cant hear it unless the bike is idling or off, and when its off i can feel a slight vibration coming from the back
The spline vibrates when the bike is off? I say check for a gremlin because he is in there somewhere.
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post #3 of 8 (permalink) Old 08-27-2016, 10:35 PM
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Something is wrong, the lube should last a lot longer than that. What did you use to lubricate it? I used a 60% moly lube sold by Honda, it was recommended highly in another forum. Did you lube all 3 splines? Mine had 20,000 miles with no issues. What type of oil do you have in the gearbox? I used a synthetic gear oil, expensive but good stuff.


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post #4 of 8 (permalink) Old 08-28-2016, 10:01 AM Thread Starter
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I used a lithium soap based grease with the rating specified by Yamaha...it was a generic brand but it's got the same ratings as the Honda moly lube everyone's talking about. And it does it when the bike is off and i push it. If I'm sitting still it doesn't make the sound. And I thought I lubed all three splines and their counterparts very well. But it was the first time so for all I know I may not have used enough
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post #5 of 8 (permalink) Old 08-28-2016, 04:45 PM
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should i really lube the splines again??

As long as you used a decent grease (sounds like you did ) it doesn't take much at all, it's got to still be there after 1000 miles so something else must be wrong.
You sure about the alignment? That causes creaking noises if its out.
Is the noise once per tire revolution or once per shaft revolution? Does it do it with the rear tire off the ground? Keep digging, you'll figure it out !


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post #6 of 8 (permalink) Old 08-28-2016, 05:22 PM Thread Starter
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i didn't just guess, i measured(sorta) i took a hex wrench and found a size that fit snug all the way around, and the next size down was loose all the way, and the next one up wouldn't fit, and we're talking .5 millimeter increments here, I'm going to take it off again and see how the lube looks, last time when i took it off the biggest spline(the one around the axle) was almost dry
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post #7 of 8 (permalink) Old 08-28-2016, 07:22 PM
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That alignment should be fine, that's a good way to do it actually.
Just to cover all the bases, besides that big set of splines on the axle there are 3 on the driveshaft.
1 where it goes into the transmission, and 2 at the rear, that coupling at the rear is a double female spline, it accepts the drive shaft at the front and the input spline of the rear axle at the rear. This coupling pulls out of the rear drive to access that rear spline.
All 3 need grease.
Google v-star drive splines if you need some pictures or video.


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post #8 of 8 (permalink) Old 08-28-2016, 08:26 PM Thread Starter
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so i took it all off and the lube from the last time was still good, looked like biggest one at the rear could've used a little more than i had on it, checked the bearings and they were good. put it all back together, realized i left out the shim that goes around the axle and through the driveshaft....took it all off, put it on again, and no there's no noise. I'm pretty sure it just needed a good adjustment and it would've been fine, but i've seen the price of those drive shafts and they're not cheap, better to be safe than down a lot of $$$
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