Fork oil and shock fluid for dirt bike suspension, from Motorex, Maxima, Motul and KYB, in the common weights.
Fresh fork oil is the cheapest suspension upgrade there is: it goes off with heat and contamination long before it looks dirty. Most race bikes want a fork service every 20 to 30 hours and the shock about every 40. Match the weight to what your forks were set up with, as a different weight changes the damping.
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Whatever the forks were last set up with. From the factory most KYB and WP forks run a 5W equivalent and Showa a little heavier, but tuners change it, so check the service sheet or ask whoever did them last.
Usually 300 to 400ml per leg on a full size bike with the damper cartridge serviced, less for a seal change only. A 1L bottle does both legs.
No. Shock fluid is formulated for the higher heat and pressure in a shock. Use a shock fluid for the shock and fork oil for the forks.
Not sure what fits? Set your bike at the top of the store and every list narrows to parts with confirmed fitment, or message us with your model and year.
