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I am replacing the cam chains so I have the heads off the machine. I look through the intake and exhaust side and can see the valves are not seated. I can see lots of day light in between valve seat and valve. Is this normal? Bike is an 07 outlander 650
 

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no you need to lap the valves. Then water test them.
 

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If you have the heads off. Lap the valves, then reinstall the valves back in heads. Pour water in the top side of valve and see if they leak. A valve is a plug of sorts and when it is closed it should not leak air or water/gas. do a Google search on valve lapping there is lots to learn.
 

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Make sure u are at top dead center, if not they won't be seated right. If they are as bad as u say and no marks on the piston I bet u are a tooth off.
 

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Always set tdc before tear down.
 
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