front sproket opinions please - Kawasaki KLR 650 Forum
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post #1 of 18 Old 08-21-2008, 08:16 AM Thread Starter
2nd Gear
Join Date: Jun 2008
Location: DFW area Texas
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front sprocket opinions please

I've read that it is a good thing to change all sprockets and the chain if you change anything... but....
My 08 has about 4500 miles on it, and I'm thinking of putting a 16 tooth on it... what are the opinions on just replacing that one sprocket? The chain and sprockets look pretty good, just showing what I would consider normal wear.

edit: can't believe I misspelled "sprocket" in the title....

Last edited by hornetguy; 08-21-2008 at 09:05 PM.
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post #2 of 18 Old 08-21-2008, 08:28 AM
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Oh yeah, way too early to change all of them. That usually comes somewhere between maybe 12,000 and 20,000 miles depending on your maintenance. Over 11,000 miles on my original chain and rear sprocket. I have the 16 on the front. Go ahead and only change the to the 16, no worries.

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post #3 of 18 Old 08-21-2008, 10:11 AM Thread Starter
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Location: DFW area Texas
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ok.. thanks. That's kind of what I was thinking, but figured I better get a more experienced opinion.

I've had lots of experience with sprockets and chains in industrial applications, but nothing that I would consider "high speed" stuff. Also, nothing that had control over the road-rash possibilities on my somewhat delicate features...
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post #4 of 18 Old 08-21-2008, 01:25 PM
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DXKLR is right, its way to early.

What they mean by that is if one of them is wore out then itís a good idea to change them all.
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post #5 of 18 Old 08-21-2008, 11:17 PM
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I put the 16 tooth too but i ride mostly on the road/ freeways. It drops the rpms lower too. I got a cherry 94.

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post #6 of 18 Old 09-07-2008, 03:18 PM
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16 tooth sprocket

how much does the 16 tooth sprocket lower rpms
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post #7 of 18 Old 09-07-2008, 07:06 PM
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It's easy to change sprokets.To answer your question,going one tooth up or down is around 450/500 RPMs a tooth (Front).Use a sixteen on road trips,then change for the trails.Once you do it a couple of times it's pretty easy.

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post #8 of 18 Old 09-07-2008, 09:09 PM
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I went to a 16 tooth on my 06 KLR.... it has brought down the rpms, along with that, it's reduced vibration and increased the fuel mileage.

If you are going to be doing aggressive off roading, I would go back to the 15 or even 14 tooth.

It's about a 20 min. job once you have done it a few times..... I find the toughest part for me is getting the back wheel lined up properly and the right chain tension.

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post #9 of 18 Old 09-16-2008, 05:22 PM
1st Gear
Join Date: Jun 2008
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I did the 16T and it is so effortless to do 75 (indicated) now. Cruising through town is now in 3rd gear, instead of lugging at the bottom of 4th gear. That means fewer shifts. Starting off isn't a problem, either, because quite often I was starting in 2nd gear anyways. ??!?
I can see where it would be a problem off the road. First gear is way fast. But then again it was too fast on the old 600, which supposedly had lower first gearing. Going to check the deer stand will be an adventure...

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post #10 of 18 Old 09-16-2008, 06:57 PM
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Don't forget the "Eagle Mike front sprocket nut". Don't need the lock washer and makes things a looooooooooooooot easier.
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