Maintenance & Technical > KX100 / KX85 / KX80 / KX65 / KX60

kx 85 lacking bottom end power !

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riggy:
Doldguy , I am planning to check powervalves tonight . Thanks for the info on  shaving the jug . one thing I should of put earlier is that when I replaced the piston . I noticed some grinding in the intake port area . it has a la sleeve so some of the grinding was simply cleaning where sleeve and intake meet , however there is grinding in other areas like the hole to the rt & left of the intake port itself . I dont know who did it maybe a shop did , does that help bottom end ? from what I have heard is that to increase bottom end by porting you would actually need to add metal to the kx 85 not take it out . Thanks , James

riggy:
I pulled cover to see the powervalve move when I started it & to my surprise there was not a circlip on it and it was NOT connected . I put it on took a ride seems better  .  a good ride this weekend should tell if the bike is know up to par . you have been very helpfull doldguy thanks .

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