Front Forks

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

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

havent really done nothing to them internally

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

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