Maintenance & Technical > KX500 Original

poor running

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fstkx500:
so i just traded my running mint cond. 1986 kx125 for a not running K5. the motor came in a box so i put it all back together had the cylinder replated,ported, new hotrods crank and rod, boysen rad valve, pc pipe with fmf silincer and  the list goes on. its a brand new 1987 K5. well my problem is she somkes reallly bad has nooooo power wont even lift the front wheel. jetting is on from what i can tell no pinnging spark plug looks good im running 40:1 with high test gas and elf 2 storke oil. motor has no power band i cant figure this one out ive had bikes my whole life but ths pig has me stumped. help me please ive had her for 3weeks and put alot money to make her run agian and look good. any ideas dont want sell her

KX500freak:
forgive me if im wrong ,but did  k5 had kips from 87 ??

so if so check that system ?

just thinkin out loud :wink:

fstkx500:
yes it does. thats kinda what was thinking. when i got her she was already taken apart and the dude before me didnt mark anything so i put them back in how i thought was right. does anyone now how they go back in on a 1987 K5?

KX500freak:
well i know this if the engine is running you could check up on them ,
from 88 up its possible to remove a little plastic cover at the right side.
then kick it and rev it while watching to the kips rod pulling out/in ..
if its working and correct it should blast ,
if not there,s your issue..

dunno much about adjustments or whatever but my both engines are revin the hell out so it very noticeable when kips is online :-D :wink:

fstkx500:
thanks but they move when u rev her up already checked that what im wonderin is there any timming marks on these things. and she smokes like a mother!!!!!

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