2015 KLR650, Tourist down at 70 mph from speed Wobble! - Page 3 - Kawasaki KLR 650 Forum
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post #21 of 22 Old 06-28-2019, 11:39 AM
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Join Date: Jun 2017
Posts: 320
Originally Posted by timberfoot View Post
Hello Guys

I will add my little bit to this thread;
I always keep my tyre pressure at the maximum pressure recommended by Kawasaki. That is 21 psi on the front and 28 psi in the rear. I have never experienced any bad bike behavior at highway speeds.

That is my experience...

Thanks Guys

Kawasaki does not recommend a maximum pressure. I am not aware of any motorcycle or auto company that recommends a maximum pressure. The tire maker provides a maximum inflation pressure and embosses that on the tire itself. As long as you stay below the maximum, you are free to experiment.

For highway riding, higher pressures almost always work better for handling and tire life, but you sacrifice some ride quality. And the best pressure varies with load as well. Solo on a naked bike is much different than two-up on a bike with fully loaded panniers and top case.

The manufacturer’s recommended (these are not maximums) tire pressures are a good starting point and a “happy medium” for many riders and many conditions. However, a knowledgeable rider can optimize tire pressure for a wide range of condition and get better performance and better tire life.
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Last edited by Voyager; 06-29-2019 at 09:04 AM.
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post #22 of 22 Old 06-29-2019, 05:20 AM
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Join Date: Sep 2017
Location: Adelaide, South Australia
Posts: 73
Gday Pdwestman

I understand your point. My understanding is that the the area of the front tyre in contact with the road surface is increased as the tyre is compressed by the forward weight transference during braking. Obviously, the increase in contact area means there is an increase in friction, or grip if you prefer. A too hard (what is too hard?) front tyre would not compress enough. This would result in a reduction in the tyre's ability to grip. Anybody should consider this when deciding on the best tyre pressure.

I have looked the Dunlop website and they suggest that tyres should never be inflated above the rated pressure, or the motorcycle manufacturer's suggested tyre pressure, whichever is lower.

I think (not know) that perhaps KLRs are a bit lighter than other bikes that may use the same tyres, so perhaps the tyre pressure should be less?

Of course overloading a bike is always a bad idea. That is why it's called overloading

I will reiterate that i have had absolutely no problem at all with my tyres nor experienced any front end wobble. My riding has been mostly suburban commuting. with a couple thousand kilometers of highway riding with loaded panniers, top box, tent etc. and some mild off roading. I have got just over 16,000 km, (10,000 ml) from my current set of Dunlop Trailmax 604s. They are coming up due for a change, but that is not a bad run on a set of tyres i think.

Of course nothing I've written here contradicts what you've said Paul. This is just explains my choice.

Thanks for your reply Paul

Kind Regards


Last edited by timberfoot; 06-29-2019 at 05:24 AM. Reason: 'cos
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