ChinaRiders Forums - View Single Post - Oops. Now I need a manual for pushrod 250 head removal

KirkN · 08-22-2015, 04:15 PM

And, it's bogieboy for the win!!

Lapped the intake valve and got it to hold acetone in the port for a good 5 minutes with no drips.

So, next step was to pull the cylinder off. Yep, ALL 3 RINGS are stuck fast in their grooves. I've never seen such a thing in a motor with so few hours / hasn't been sitting inert for years. Huh.

Can't even get the oil ring (3-pieces - upper, lower and center wavy piece) to move. Got one bit of the 2nd ring to pop free a bit, but hard to even tell where the end gap IS on the first ring.

So, new piston, ring, wrist pin, circlip set plus base gasket on it's way. Only $20 for the set and should be here next weekend or so.

Cylinder still looks good, but I'll give it a quick hone before the new parts go in.

08-22-2015, 04:15 PM	#20
KirkN Join Date: Nov 2014 Posts: 50	And, it's bogieboy for the win!! Lapped the intake valve and got it to hold acetone in the port for a good 5 minutes with no drips. So, next step was to pull the cylinder off. Yep, ALL 3 RINGS are stuck fast in their grooves. I've never seen such a thing in a motor with so few hours / hasn't been sitting inert for years. Huh. Can't even get the oil ring (3-pieces - upper, lower and center wavy piece) to move. Got one bit of the 2nd ring to pop free a bit, but hard to even tell where the end gap IS on the first ring. So, new piston, ring, wrist pin, circlip set plus base gasket on it's way. Only $20 for the set and should be here next weekend or so. Cylinder still looks good, but I'll give it a quick hone before the new parts go in.
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