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Old 09-21-2016, 08:48 PM   #11
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Originally Posted by Skialberts View Post
Just got our 2017 Forester MBS 2401R. I've seen other posts about tire pressure, but no definitive answer. The tags on the door frame say 61lbs, the tires have 80 lbs on them. Which one is it? We have taken 1 short trip so far and weighed in about 50 lbs overweight. Anything we should be worried about?
In your case the door sticker should not be your guiding reference. Simple rule, knowing you're at max weight limit, run your tire pressure at or very near your tires recommendated inflation pressure. One unkown you are presented with is your individual axle weights, so you will need to monitor tire wear closely until you dial that in. Or, get it weighed (by axle ) when you're typically at loaded weight, and adjust pressures within the tire recommendations accordingly .

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Old 09-21-2016, 09:07 PM   #12
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Originally Posted by DaveJordan View Post
Since there are differing opinions, you won't find a definitive answer.

Lower tire pressures worry some drivers as they're more likely to be driving on under-inflated tires and their fuel mileage may be lower.

Higher tire pressures worry other drivers because the tires may wear prematurely and the ride may be harsher.

All in all, you can run them at 61 psi, at 80 psi, or anywhere in between (I run at 70...). Just don't venture outside of the 61-80 range and you'll be fine.


I realize the OP has accepted an answer already but I want to say that I have written a few similar responses as Dave's to similar questions as the OP's, but I have never worded it so well as Dave just has.

In my opinion...

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Old 09-22-2016, 01:36 AM   #13
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I run mine at 65psi and the pressure seems to max out at about 80-85psi according to the TPMS with maximum temps so far pushing towards 110.
2016 Forester MBS 2401S
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Old 09-22-2016, 04:37 AM   #14
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When I had my Solera (MBS chassis) according to the sticker the recc. pressure was 65 all around. After researching a little bit, looking at the tire charts, taking into account what the actual weight of the motorhome actually was, w/ cargo and passengers, I determined that 65 was unsafe and ran no less than 73 or 74.

Also consider that my new Sunseeker, similar size to my Solera (shorter, same height, wider) , but with essentially the same tires, recommends 80 rears and 75 front. Then again, it will tow up to 10,000 lbs...

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