Maintenance & Technical > KX500 Original
K5 starting questions
Polar-Bus:
--- Quote from: tcoop474 on November 09, 2011, 05:01:06 AM ---Here's the verdict. I tried cranking it again last night with no luck so I decided it was time to actually do more then just look at the bike waiting on it to tell me what was wrong with itself. Rand compression test came back with 90 psi. I toilet the head off and it was pretty gummed up. Went to take exhaust off noticed gas running from around the exhaust and down the front of the motor. Took the cylinder off no scratches or scars on the sleeve but rings seized to piston. Motor is pretty gummed up so I'm going to clean it up real good new gaskets rings ect. The piston is a wiseco 86mm I think? What ever stock mm is ran the serial number its made for 88-up k5s mine is an 86 I'm sure its not a problem but there is a lot of play from side to side. Like from inside of piston it has a gap on each side to the crank. Can slide it a good bit from left to right.
--- End quote ---
Hate to tell ya' but I told ya so..... sounds like you are one of the luckier ones... you might get off with just a new top end.
tcoop474:
I fig it was by how easy it was to kick but just was hoping it wasn't wanted to ride a little longer lol
Friar-Tuck:
Well,
At least you will Know what you have Coop. There's a thread that I think D'old Guy started thats asks the best mod for the K-5...there are more than just a few blokes who will agree.
A good refreshing will do wonders for the old girl! I think you are gonna be in for a pleasant surprise once you get her lit off after the re-build.
I think you are doing the right thing, and with any luck she'll be ready by spring!
Tuck\o/
tcoop474:
Hopefully but its not my only bike. I'm still building my 89 trx 250r as well but they should both be done soon. Still trying to fig out what all I wanna do to the k5 ill finish taking it to bare frame today probably
kwakman:
do the bottom end as well.if you don't you'll wish you had.K.
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