Tire pressure at 30/30 is this acceptable? - Honda CBR 300 Forum
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post #1 of 32 Old 11-01-2018, 09:30 PM Thread Starter
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Tire pressure at 30/30 is this acceptable?

I have been riding around with tire pressure of 30 psi for both front and rear.

My goals are to get the most lifespan and miles out of the tires and the best fuel economy.

I only weight 130 lbs and I recall when it comes to bicycles that they say you can go up to a higher psi if you are a skinny guy.

Here is what I just read in the owners manual and I am confused by when it says "up to 200 lb" if they are just talking about the weight of the rider + luggage ?


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post #2 of 32 Old 11-01-2018, 11:30 PM
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They are talking about all added weight to the bike -hard to go wrong with the factory setting-but for best mileage and economy if I was you I think F30-R33 would work well-being these are bias tires they do not work well with high PSI like radials

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post #3 of 32 Old 11-01-2018, 11:56 PM Thread Starter
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Originally Posted by motorboy View Post
They are talking about all added weight to the bike -hard to go wrong with the factory setting-but for best mileage and economy if I was you I think F30-R33 would work well-being these are bias tires they do not work well with high PSI like radials

Thanks I will try that tomorrow. Makes sense

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post #4 of 32 Old 11-02-2018, 06:05 AM
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Run mine at 30/30. I'm 160lbs. Feels right.
I'm on Michelin Pilot Street Radials, not bias plies.
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post #5 of 32 Old 11-02-2018, 12:21 PM
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In my opinion your running a bit low for radials- example the Yamaha R3 is running the same size tires as the 300 Honda but radial F29 R36 and the bike very close to the same weight
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post #6 of 32 Old 11-02-2018, 01:58 PM
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In my opinion your running a bit low for radials- example the Yamaha R3 is running the same size tires as the 300 Honda but radial F29 R36 and the bike very close to the same weight
The Yamaha R3's come from the factory with Michelin Pilot Street tires, which are bias-ply construction, not radials.

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post #7 of 32 Old 11-02-2018, 02:01 PM
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Originally Posted by King CobRa View Post
I have been riding around with tire pressure of 30 psi for both front and rear.
You'll be fine running your tires at 30 psi front & rear.

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Success will always come if they’re really good.
So let’s show the world what we’ve done.
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post #8 of 32 Old 11-02-2018, 03:10 PM
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Quote:
Originally Posted by MotoMike View Post
The Yamaha R3's come from the factory with Michelin Pilot Street tires, which are bias-ply construction, not radials.
Had you looked it up you would have seen the 2019 R3 in the USA comes with Dunlop GPR 300's which according to Dunlop are indeed radials

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post #9 of 32 Old 11-02-2018, 04:11 PM
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The latest Michelin Pilot Street are radials. Excellent handling.

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post #10 of 32 Old 11-02-2018, 07:58 PM
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Had you looked it up you would have seen the 2019 R3 in the USA comes with Dunlop GPR 300's which according to Dunlop are indeed radials
Yes but it's still 2018, that bike isn't even available yet.

My Ninja 400 has the Dunlop GPR's and Kawasaki specify only 2 more PSI in the rear 30/32. I dont get too bothered about it, I'm not racing the thing. Gauges can vary 1 - 3 PSI anyways.

FWIW I ran my CBR at 30/30 because its easier to see on the gauge than 29.
That was in both the OEM's and the Michelin radials latterly.

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