chiangrai Posted March 19, 2014 Share Posted March 19, 2014 Hi I have a d-Tracker 125cc and I find it skids very easily.I'm not very mechanical but some one advised me that it could be because the tires are two hard,it gives a very bumpy ride also. Seens as there is no tire gauge in our town up til now I have just been letting the Thai guy do it Thai style.I would say that this method definitely over fills the Tyre.So I got myself an electronic tire gauge. I have no manual for the bike and don't know what pressure to use.I was going to look it up on an English website but I was told that they set different tire pressures in Asia because of the heat. So can anybody recommend the best tire pressures for a d-Tracker 125cc with a 60kg rider.It still has the original racing tires on. I would love some help on this because I think it would give me a softer and safer ride. All help welcome. Link to comment Share on other sites More sharing options...
seedy Posted March 20, 2014 Share Posted March 20, 2014 There will be a max tire pressure with a max load on the side of the tire. Try starting about 80% of that figure and go from there. Be aware that too low a pressure will heat up tires on the road fairly quickly. Link to comment Share on other sites More sharing options...
ATF Posted March 20, 2014 Share Posted March 20, 2014 Seedy is right check the tire wall for the max pressure but if you have quality tires their website will give the recommended pressures. Always inflate your tires when they are cold i.e. in the morning and invest in a portable air compressor and do it yourself. One of the best investments I've made. They are very cheap and work from the mains or cigarette lighter in a car. Less pressure = more grip but higher fuel consumption and slower speeds. Link to comment Share on other sites More sharing options...
chiangrai Posted March 20, 2014 Author Share Posted March 20, 2014 Thanks Guys, Sounds like good advice. I went out to read the tyres and found Dunlop T900 G9 120/80-14 MG 58P Made in Thailand. Are any of these the maximum pressure. Also,where is the best place to buy a portable air compressor. Thanks again. Link to comment Share on other sites More sharing options...
seedy Posted March 20, 2014 Share Posted March 20, 2014 Those are tire model and size. Will have in small letters max load xxx at xxx psi, usually close to the bead (where the tire mounts onto the rim) Link to comment Share on other sites More sharing options...
chiangrai Posted March 21, 2014 Author Share Posted March 21, 2014 O.K, Well I can't find the writing on the tires but I found a website which said,front tire1.5 and rear 1.7 BAR but it didn't say that was maximum, So I will start from there. Are there decent portable compressors to be had in Thailand or do you need to import. Thanks for the help. Link to comment Share on other sites More sharing options...
wantan Posted March 21, 2014 Share Posted March 21, 2014 Are there decent portable compressors to be had in Thailand or do you need to import. Thanks for the help. You don't need a compressor to keep your tires inflated Get a bicycle pump, something like this for example. You get them in every supermarket or car accessories store for little money: Or spend some more money for a nice quality bicycle pump, you can use these for high pressure in road racing bicycles too: Link to comment Share on other sites More sharing options...
paz Posted March 22, 2014 Share Posted March 22, 2014 Well, there are some portable engine starters that double as battery chargers and have a small compressor too, are quite cheap and one of the most useful purchases. About tire pressure, assuming road use only, I woul start with the classic 2.0 F / 2.2 R. Link to comment Share on other sites More sharing options...
chiangrai Posted March 22, 2014 Author Share Posted March 22, 2014 Yes,road use only,racing tires, 2.0 and 2.2-is that measured in BAR. Link to comment Share on other sites More sharing options...
brfsa2 Posted March 23, 2014 Share Posted March 23, 2014 (edited) I usually go to any big Gas station with Electronic pumps, you set the number of PSI, let's say 30 front and 32 rear, then let the machine do the work. Esso works good, on Shell I find them bad maintained and not working well. as many suggested, just get your self a small air compressor. it's good to have one. edit: I use 32(front) 34(rear) PSI on a Michellin tires. (90/80) Edited March 23, 2014 by brfsa2 Link to comment Share on other sites More sharing options...
ll2 Posted March 24, 2014 Share Posted March 24, 2014 I usually go to any big Gas station with Electronic pumps, you set the number of PSI, let's say 30 front and 32 rear, then let the machine do the work. Esso works good, on Shell I find them bad maintained and not working well. as many suggested, just get your self a small air compressor. it's good to have one. edit: I use 32(front) 34(rear) PSI on a Michellin tires. (90/80) i use shell ones if possible. Dont trust esso ones. But these pumps are not super accurate imo so the best is going to a proper tire shop and let them test the air with a gauge. Alternatively, you can buy an air gauge for cheap for yourself. Also, tires need to be cold to check it accurately. Link to comment Share on other sites More sharing options...
paz Posted March 24, 2014 Share Posted March 24, 2014 (edited) I've found that bike shops not only don't have a tire gauge, but don't even know (or pretend to know) what it is. Big C sells no less than 3 types of tire gauges. I've tried mine today on my friend's Fortuner, and what had to be 2.1 was, of course, 2.6. Edited March 24, 2014 by paz Link to comment Share on other sites More sharing options...
speedtripler Posted March 24, 2014 Share Posted March 24, 2014 i set one of those machines to put in 32psi and it was still putting in air at 60+psi when i pulled it off (tested by another guage i had in my pocket ) as i could hear the tyre stretching (probably not far from exploding ) NEVER EVER trust a garage guage in thailand keep your ha nd on the tyre as the air is going in and keep squeezing it ,when you can on longer press it in its hard enough ,too much air is as bad if not worse for your traction that too little so get it inflated properly at next opportunity Link to comment Share on other sites More sharing options...
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