getting gas,got spark and compression but no go

[369DuneBunny]

i agree with everyone else too. CHECK YOUR COMPRESSION . . . especially if the backfiring doesn't stop. . .

[sm300z]

Why would you take the engine back apart? it has something to do with time

so i am gonna try to set it in middle where normal riding range would be found..

Seat time.. 28 years WHY

[sm300z]

you tell me looks like 200 on the fourth kick??

[369DuneBunny]

i meant how much seat time on your motor. . . oh wait you just rebuilt it didn't you?

[sm300z]

I Am Lost , Thats The Compression, In The Cylinder,jug Whatever??????

[369DuneBunny]

oops, i should have specified the top end. . .
i' read that kx weren't built for top and high revs wear them out. . . '
i saw you posted that you were burning a little bit of oil.
the cylinder on the kx have super fine trenches that hold oil to help piston resistance. maybe theres a problem there. . .

[flotek]

Originally Posted by 369PortingPrincess

i' read that kx weren't built for top end high revs wear them out. . . '
.

negatory ..its an mx race bike... its whole life is spent at mid-top screaming rpms

[pinger.j.]

if there a stock timing mark? i would try setting it to that and see how it runs...if not before you ripeed it down draw a line with a sharpie cuase it ran before the rebuild right?

[sm300z]

WELLI HAVE JUST BLOWN the damn exhaust out of the jug..i didnt have anything holding it but the two springs...and seh blew out the copper exh gasket..whats next folks..it there such a ling as being 180 degrees out???

[sm300z]

she ran fine before,,,the crank bearing seized up on the crank,,

thats why i split the case on it