Gen II Front Fender - Kawasaki KLR 650 Forum
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post #1 of 31 Old 05-03-2012, 02:41 AM Thread Starter
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Gen II Front Fender

This may be a controversial topic, but I routinely ride my GenII KLR on the Interstate at indicated speeds of 80mph, both in windy conditions and riding the wake of the semi truck that always seems to be on the left and winds up right in front of you when you head down an on-ramp and you have to follow it.

I can honestly say I've never experienced riding where I felt the front fender was detrimental or even unnerving.

Anybody else feel this way? I've never felt any reason to replace my stock front fender because it made the bike unstable at high speeds.



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post #2 of 31 Old 05-03-2012, 04:36 AM
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I've had the same experience (or, perhaps more accurately, non-experience) with my '07. We may each be entitled to factory refunds.

Can such a small aerodynamic area as presented by the fender raise the havoc reported? Some say, "Yes," and indeed they might, given the complexity of the aerodynamic profile of the KLR650 at speed and in crosswinds.

In this case, perception is reality; if swapping out/modifying front fenders fixes the problem, it's fixed. Fortunately, the problem has yet to materialize for me; I do not doubt those who actually experience it.
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post #3 of 31 Old 05-03-2012, 07:08 AM
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Can't say that I've noticed any "sail" effect myself. I do have Eagle Mikes fork brace, perhaps that is helping or maybe I'm just not the sensitive type!

09 KLR650
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post #4 of 31 Old 05-03-2012, 07:44 AM
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I trimmed the wide bulge off at the front.
Did a crescent shaped cut bringing the nose back about 4 inches,
and trimmed the sides back a bit. Can't beat the price of stock-modified. LOL
(Until U need a stock replacement.)

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post #5 of 31 Old 05-03-2012, 07:47 AM
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Same here and I ride some 10 mile bridges over open water and the wind can really whip it up. While I do feel the wind I don't feel like the front fender is much of a factor, if at all. I want my refund!!!
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post #6 of 31 Old 05-03-2012, 07:51 AM
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Heresy!!! Burn the witches!

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post #7 of 31 Old 05-03-2012, 08:29 AM
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I can say the same, I ride 99% slab at 80mph and have never noticed a sail effect with my fender. I just chalked it up to "ignorance is bliss", it's the only bike I've ever had so everything is normal. I dont see any reason to spend money on a fender or fork brace on my bike


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post #8 of 31 Old 05-03-2012, 09:09 AM
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On the other hand, my front fender catches air so badly that I frequently attach a rope to the rear of a semi-truck and simply glide along beind it much in the same way a hang glider would. It greatly improves the average fuel mileage of my bike and, with much practice, I've learned several tricks and enjoy entertaining the other cars on the road with my aerial acrobatics.

Actually, I've never experienced any type of sail effect myself.

A bad day on the bike is better than a good day at work...
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post #9 of 31 Old 05-03-2012, 10:17 AM
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In the past I have experienced an unnerving sideways movement when hit by a sudden gust of cross-wind or when in the turbulance behind a semi.
I cannot say it is/was because of the front fender. I think it has more to do with the height of the bike and more upright surface to act as a sail.
I have replaced the stock front fender with an KTM fender. But I did that more for appearance than because of the wind issue (as I've said before, I thought the stock Gen II fender looked too much like Foghorn Leghorn).
I have not noticed any particular change in wind issues before/after the fender replacement.
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post #10 of 31 Old 05-03-2012, 11:02 AM Thread Starter
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I use raising links which I believe have a slight effect of transferring a little more weight to the front wheel.

I installed them right after I got my KLR and was wondering if that change had somehow helped the front fender aerodynamics problem a lot of folks talk about.



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