Maintenance & Technical > KX250 / KX125
Coolant leak at cylinder head on rebuild....torque spec's for nuts
dinkyguitar:
--- Quote from: Foxx4Beaver on September 03, 2014, 07:26:18 AM ---
--- Quote from: dinkyguitar on September 03, 2014, 03:48:15 AM --- I even tightened the bolts down but no go.
--- End quote ---
whatever you do...don't KEEP tightening down on the head nuts!...you'll start pulling the studs up through the cylinder, then you'll have a whole 'nother can of worms to deal with.
18ft lbs is the max.
--- End quote ---
Yeah, I was careful....only used a 3/8" drive and figured if it was still leaking then something is wrong...
I do have a hard time believing the head will seal at 18ft lbs. though....
dinky,
Foxx4Beaver:
--- Quote from: dinkyguitar on September 03, 2014, 09:22:42 AM ---I do have a hard time believing the head will seal at 18ft lbs. though....
--- End quote ---
that's straight outa the Kawie manual...the 500's are 18 lbs too and don't leak,(providing everything's "true" with a good gasket).
Motorrad:
Cometic Cometic Cometic
dinkyguitar:
--- Quote from: Foxx4Beaver on September 03, 2014, 09:27:07 AM ---
--- Quote from: dinkyguitar on September 03, 2014, 09:22:42 AM ---I do have a hard time believing the head will seal at 18ft lbs. though....
--- End quote ---
that's straight outa the Kawie manual...the 500's are 18 lbs too and don't leak,(providing everything's "true" with a good gasket).
--- End quote ---
Yup...I have the Clymer manual that I've been using for this whole rebuild, and I've been using the torque spec's....well with the exception of the head.
I've ordered the cometic top end gasket set which should come in next week. I'm keeping my fingers crossed that I just had a crappy gasket.
dinky,
Motorrad:
If you have taken the head stud's past 18. You might add well order those too. You have stretched them past t-y
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