I received these pictures yesterday. Owner recently pulled the heads and reinstalled as well as adjusting valves and putting on new timing belts. He rode around without problems -- first major run down the freeway and something went boom in a rather big way. These are the inspection pictures with the valve physically removed from within the top of the piston. Not going to be a cheap repair -- more like parts replacement time.
Thus reminder for those who do their own work at home or whom are doing it for the first time -- double check your work and follow the instructions carefully.
Here are some good instructions via Chris / CA-Cycleworks (Adjust (http://www.ducatitech.com/2v/maint/adjust/index.html)) (Video's (http://www.ca-cycleworks.com/videos/))
(http://www.motocreations.com/dmf/2.jpg)
(http://www.motocreations.com/dmf/3.jpg)
What would be cool and informative. Is there any way to tell what the owner did incorretly to cause this?
my first guess would be loose belt. putting around just fine, but when the revs picked up event timing went to hell and valve formally introduced itself to piston.
:o Yowsa. Big ole hole in that piston. :'( And that cylinder head looks all chewed up from stuff banging around in there. :'(
That shit'll buff out.
Quote from: Rameses on September 22, 2008, 12:13:33 PM
That shit'll buff out.
As long as you start with a rough grinding wheel [bang]
needs a new seat and guide, but smooth it out with a sanding wheel and long as theres no nicks in the sealing band, itll be alright. piston, valve, guide and seat from what i can see in those pics