The engine has badly damaged. Aluminum head sohc cam journal repair.
Ohc Cylinder Head Rebuilding And Equipment Engine Builder
Aluminum cam journal repair. On some ohc engines the cam lobes run directly atop the. Mounting the camshaft in the cylinder head rather than the engine block eliminates the need for lifters and pushrods. The cam bearings have been out for a long time. I have this same topic over on thumper talk but no one has responded i figure it can get a wider and broader minded audience here. My guy installs them in just about anything that has an aluminum heads. Advertisementclick here to read moreadvertisement one of the advantages of an overhead cam cylinder head is that it eliminates the need for certain valvetrain components.
While welding near one of the intake seats i heard a cracking sound. The guy whom fixed my heads told me that if the camfer is damaged it cannot be fixed. Visit the xrl forum and pm mcma he rebuilds dozens of 650600500 motors every year and has a machinist in petalumaca that does cam journal repairs on hondas all the timehe welds them up then machines em back down to oem 2 lnewqban and bultaco206 like this. Happyandy uberdork 10415 227 pm. Bent valves seized cam yeah this is a common problem with the newer 4 strokes. Advanced machining services offers a cam journal repair service.
That is all he does is cylinder heads. It is not just welding them up. Dont through away the head just yet though. Supercharged dodge viper aluminum cylinder head weld repair the deck surface cleaned with 003 inch material removed. In most cases it can be repaired. So i have an xr 100 that i bought from awsx the basket case that he had listed in the 2015 classifieds.
On the front of the journal there is a camfer in the face.
Gallery of Aluminum Cam Journal Repair
