Front Forks

3 replies to this topic
  • boricua1

Posted September 06, 2011 - 03:00 PM


I am re doing my front fork seals on my 99 yz 400f and i was wondering wat fork oil weight should i use? i am 250lbs and do a good amount of jumpin

  • sid_125_04

Posted September 06, 2011 - 04:51 PM


i also weight 250 and would recommend 10w or 15w depends on what all you have done to your suspension?

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  • boricua1

Posted September 07, 2011 - 02:14 PM


havent really done nothing to them internally

  • sid_125_04

Posted September 07, 2011 - 04:58 PM


i would use 15 then if ur not going to change the spring or anything

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