Other than a full gasket and seal kit and your engine condition is within the limit and conditions conducive of a run in machine, it is always advisable to change the cam timing chain, if this brakes untold damage can occur to the top and b

With the head and barrels off and a look down the bores and “Olay”, l could see the faint swirl marks left through the honing stage in finishing barrels. Those swirl marks show that all is well between pistons and barrels, this engine had b

This particular Honda 400 is the 1977 F model the mastery with this engine is its simplicity in its layout and construction, horizontally split crankshafts and there usual sandwich of barrels, head and cam cover make it a joy to work on. Th