Noooooo!!!!!!!!

[wornknobby]

well, the 86'cr had no compression so i pulled the head and cylinder to find that the piston which took two rings only had one on it and the on that was on it was stuck pushed in. i cleaned every thing up to also find that rod can move from side to side!!!!! this was probally the knocking noise i could hear when i tried to crank it over. But my question is right now as i look at the rod I see two spacers which have some clearance which is why the rod can move, but can i just buy a crank rebuild instead of buying a whole new crankshaft? and if so can some one help to decribe on how to take apart the crank shaft? :ohmy:

 

[Studboy]

The rod is supposed to be able to move side to side but there isn't supposed to be any up and down play. Are there any metal shavings anywhere?

 

[MXP1MP]

It should move side to side but not be excessive, if the piston has 2 rings that means it's been bored at least .40 over by now I know cause when I had to bore mine from .20 it went from a single ring to a daul setup max over bore is .80 over. Check wiseco out for a crank rebuild kit also but first get like a manual so you can check the specs to see if it's still within spec.

 

[uts]

I hope the other ring isn't in the case.

 

[smahala1286]

get a repair manual and check the rod tolerances.

 

[MikeT]

Wait, so did you buy the CR or are you just looking at it? I thought there was a KX in the picture. The rod is supposed to move side to side a little. What condition is the KX in?

 

[wornknobby]

i own the cr and the kx the cr doesn't have the other ring in the case and there are no shavings. the tranny and clutch work good, i just wasn't sure if the rod should move side to side alittle. the kx i got for free cuase the kid couldn't get it running and wanted to throw it away. its mint!! the cr was $300,.