oil lost in bottom end help?

[curtis slawson]

hey i know this a 3wh site... but bare with me lol

my rm 80 2 stroke has been losein bottom end oil latly looked in the manuel say it could be crank seals.

do i have to split the whole case too repair the crank seals. Or can i replace new crank seal's without spliting the case?

cus i dont wanaa split the case unless i have too

thx's

[4cfed]

definatly crank seals... not good, soon to be a air leak and we know thats no good, not sure ifyou have to split the cases on that machine, im pretty sure you do

[curtis slawson]

ya i think so. i just rebuilt topend wiseco pistion about 2 month ago bike runs really good start good fast little bike and still runs good . then about 2 weeks start to notice bottom end oil gone .

this was the first time the bike has ever had a topend done was stock bore