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What is the pressure to my tires? 2009/9/29 02:06
Hi there!

My name is Ran, I'm 22 years old and I just bought my first motorcycle.

The only manual I found for it is in Japanese. There are a lot of maintenance operations that I can handle without the text in the guide but the correct air pressure that should be put in the tires is a critical data that I can't come up with by myself.

Please, help me by telling me from the following picture what is the correct pressure for the front and rear tire.

http://www.flickr.com/photos/ran_dvir/3962507585/sizes/o/

OR

http://img268.imageshack.us/img268/4452/2728h.jpg

Thank you!
by Ran Dvir (guest)  

tire pressure 2009/9/29 10:01
The page says to refer to page 42 for the pressure. The correct pressure should also be written on the sidewall of the tire itself.
by yllwsmrf rate this post as useful

... 2009/9/29 17:34
If the motorcycle is also sold in the U.S., you should be able to find an online English manual on the mfr's U.S. website.
by Kato (guest) rate this post as useful

Not helpful, back 2 dealership 2009/9/29 19:57
Motorcycle Tire Air Pressure Conversions

Where:
kPa = psi * 6.89476
kg/cm2 = psi * 14.223343
bar = kg/cm2 * 0.980655
psi kPa kg/cm2 bar
20 138 1.4 1.4
21 145 1.5 1.4
22 152 1.5 1.5
23 159 1.6 1.6
24 165 1.7 1.7
25 172 1.8 1.7
25.5 176 1.8 1.8
26 179 1.8 1.8
26.5 183 1.9 1.8
27 186 1.9 1.9
27.5 190 1.9 1.9
28 193 2.0 1.9
28.5 197 2.0 2.0
29 200 2.0 2.0
29.5 203 2.1 2.0
30 207 2.1 2.1
30.5 210 2.1 2.1
31 214 2.2 2.1
31.5 217 2.2 2.2
32 221 2.2 2.2
32.5 224 2.3 2.2
33 228 2.3 2.3
33.5 231 2.4 2.3
34 234 2.4 2.3
34.5 238 2.4 2.4
35 241 2.5 2.4
35.5 245 2.5 2.4
36 248 2.5 2.5
36.5 252 2.6 2.5
37 255 2.6 2.6
37.5 259 2.6 2.6
38 262 2.7 2.6
38.5 265 2.7 2.7
39 269 2.7 2.7
39.5 272 2.8 2.7
40 276 2.8 2.8

by EichoKago rate this post as useful

Thank you for your kind help 2009/9/30 04:53
yllwsmrf, thank you for translating. Indeed, there's a table in page 42 that tells the correct pressure.

The units are kg force per square cm and I converted it to PSI.

Now everything is OK, thanks again guys for helping me,

Ran.
by Ran Dvir (guest) rate this post as useful

To Kato 2009/9/30 04:57
The Yamaha XJ400S (aka Diversion 400) was not brought to the US nor the UK officially, therefore there is no English manual for it.

There is a manual for the XJ600S though. Both bikes pretty similar and a lot of operations can be guided by this manual when treating the XJ600S young brother, the XJ400S.
by Ran Dvir (guest) rate this post as useful

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