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I Wouldn't worry too much about the piston. Clean them and take a look at them. If you see no cracks on the dome you should be fine.The cambelts on my 83 broke at 104,000 and left visible indentations on the piston domes and bent all the valves. I had to replace a leaky headgasket at 160,000 miles and saw no scoring in the pistonwalls and when I sold the bike with 207,000 miles on it I still had 135PSI compression and used about 1 quart of oil every 4,000 ,miles.
I Wouldn't worry too much about the piston. Clean them and take a look at them. If you see no cracks on the dome you should be fine.The cambelts on my 83 broke at 104,000 and left visible indentations on the piston domes and bent all the valves. I had to replace a leaky headgasket at 160,000 miles and saw no scoring in the pistonwalls and when I sold the bike with 207,000 miles on it I still had 135PSI compression and used about 1 quart of oil every 4,000 ,miles.
