head

I bought Chinese knock-offs valve tappet covers described to fit my 72 CT 70 off of EBay, well didn't pay attention that the threads were longer than what I took off. End result was the longer threads prevented the intake valve adjustment screw to move properly and now I have no compression with...

I rebuilt the engine in 2006 and it ran perfectly with start on first kick for many years. Have not been riding much the last few years and now it will not stay running, just sputters. First item was to adjust points, all was good then I removed the head due to a stripped intake bolt to get a...

Hello Recently I had to open the engine of my Honda 1970 ct70 because it burned oil and I discovered that I had to replace the cylinder by a new one, but the question that I ask myself is that I have an aftermarket head that must be used with a flat top piston, but I also have the original head...

I have a CT70 motor with damage on the cylinder head. I also have a Z50 clone head cylinder left over from another project. Can any tell me if the z50 head can replace my damaged ct70 head?

Hi, I've bought a nicely restored Honda ST50 engine for my little project. The engine's looking nice in general, and I'm overall very pleased with the result. You can see pictures that was taken during the process here: http://mechmania.net/2016/10/05/engine-building/ I've got one question...

This is a follow up to my last two posts regarding carburetor issues and ignition timing. Now I'm moving on to possible valve/compression issues. After troubleshooting the carburetor and ignition timing without any luck (bike wont start no matter what). I did a simple compression check by...

Hello, I have a 1973 CT70 K2 and it is come to the time when the engine needs a whole bunch of work after a couple years of hard riding. After spending 100$ last year on a dumb valve adjustment,:102: I am looking to end all problems for years to come. It needs: -Kickshaft Replacement...