yz80d Posted October 3, 2009 Share Posted October 3, 2009 I have a 1977 yz80d with a cracked cylinder head. I found a new cylinder head but its for a 1978 model. Does anyone know if the 1978 cylinder will fit on my 1977 model? Please help? Link to comment Share on other sites More sharing options...
turrican64 Posted October 8, 2009 Share Posted October 8, 2009 Why not just bring your old one and compare the two? If they are the same, you should be fine. Make sure to measure your piston and measure the "new" cylinder for the correct clearance as well. Link to comment Share on other sites More sharing options...
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