Sprocket Hub Question - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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  • 1 Post By KLR1
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post #1 of 7 Old 05-13-2020, 05:18 PM Thread Starter
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Sprocket Hub Question

I recently installed new All Balls brand sealed wheel bearings in my rear wheel and it appears that my sprocket hub doesn't quite sit flush with the rim upon completing the job. The gap is extremely small (1/16"). Does anyone know if this a problem? The wheel went into the swing arm without a problem. It seems to function fine, but I am nervous about this biting me later. Chain is aligned, wheel spins freely, and bearings were seated against internal collar and wheel spacers. I would appreciate any advice. I have a great picture of it, but I can't seem to find how I would post that here. I am brand new to this forum so I look forward to learning from you experienced KLR peeps!
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post #2 of 7 Old 05-13-2020, 09:38 PM
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Check an exploded parts diagram; be sure you have ALL the spacers installed properly (a diagram is in the, "How To" thread; for old and new generations each). Manufacturer and vendors' parts fiches may be useful as well.

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post #3 of 7 Old 05-14-2020, 12:07 AM Thread Starter
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I appreciate the advice. Assembly was done correctly though. I am wondering if the non-pinned All Balls bearing was a little thicker than the OEM? The other two bearings fit in their seats well and were pinned in with their C clips easily.
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post #4 of 7 Old 05-14-2020, 09:50 AM
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I'm not in that industry, but I think that the main requirements for replacement bearings is that they are the exact size of the ones they're replacing. I'm not trying to be a smart ass (this time) but if they're aren't exact then there would be issues.

The best way to know the answer to your question is to pull the new ones out and measure them against the originals. Maybe you got one that was not the correct replacement. The other option, if you subscribe to Occam's razor, is that it isn't fully seated.

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post #5 of 7 Old 05-14-2020, 10:03 AM Thread Starter
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StevenE, I appreciate the advice. I think your assessment is correct. I am going to tear it back down tomorrow. 1/16 of an inch isn't much so my aging eyes may have missed this when I was comparing the new bearing to the old. I will try giving it a little tap to see if I can get the extra space. It may not have reached the seat is what I am hoping. This would be the easiest fix.
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post #6 of 7 Old 05-14-2020, 08:43 PM
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A 1/16 inch gap between the sprocket coupler & the wheel hub is 100% Absolutely Normal! I just looked at my '87.

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post #7 of 7 Old 05-15-2020, 02:16 AM Thread Starter
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pdwestman, thank you for this kind reply! I wasn't sure that I was going to be able to get it to fit any tighter. I am preparring for a lengthy ride and I just wanted to be sure that I wasn't going to have an issue.
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