PostedJanuary 24, 2013. Some say that the KX450F is too heavy when compared to other brands. The following weights were printed in the recent (issue #401) 2013 450 shooutout by Australasian Dirt Bike Magazine (including engine oil, 5 liters of gas and air in the forks): KTM 350 SX-F 111.2 kg/245.2 lb. YZ450F 112.1 kg/247.1 lb. Wessmen Posted December 10, 2015. The manual says just like the picture. 310cc in left and 350cc in right fork. But in this case 300cc in the 250. If I remember right the reviews consider the 250f to have a better valving. But, the 2013 450f fork is considered to be very harsh. For example the kxf250 uses the same forks, but are using 250cc in Fromthe HD 2008 Dyna Service Manual. 15. Re-position fork tube vertically in fork holding tool. With slider tube compressed, fill the fork with Harley-Davidson TYPE E FORK OIL (Part No. HD-99884-80) until it is approximately the applicable following distance from top of fork tube: a. FXDWG- 4.4 in. (112 mm), approximately 29.6 oz (875 cc). PostedJuly 27, 2007. I say stick with what Kawi suggests, R4 Castrol. I use the synthetic blend, since it seems to lubricate the top end a little better (no ticking noise from valves). The weight you use should be dependent on outside temperature and what type of riding you do. I vary from 5w40 to 15w40 from week to week. Kawasaki2013 KX450F 164 TUNING j When the oil capacity is lowered the air spring be comes less progressive and the front fork action does not feel as hard in th Ipoured in 1 qt and the level in the window was over filled but after I started the bike and ran it for a few mins then shut off the bike and after 5mins I could not see TheS1 oil is much lighter than most other brands, making it much easier to do the inner cartridge on my forks. The SSS forks are very difficult with heavier oil, and it didn't work out very well last time I used 5 weight maxima oil. Also the S1 is almost $12 more than the Maxima oil so I only want to have to buy one liter of the Yamaha oil for WHATIT COMES ON Kawasaki KX450F and Suzuki RM-Z450. TYPE Oil-damped, triple air chamber forks. FORK OIL HEIGHT Oil height: 100mm (from top of fork leg with springs out and fork collapsed) Hereis what is specified in the Service Manual (2013-2015): Pour the specified amount of recommended fork fluid into the fork tube. RECOMMENDED FORK FLUID: Pro Honda Suspension Fluid SS-8 (10W) FORK FLUID CAPACITY: CB500X/XA: 453 ± 2.5 cm3 (15.3 ::!: 0.08 US oz, 15.9 ± 0.09 Imp oz) Slowly pump the fork tube several times to fgy7Y.

2013 kx450f fork oil capacity