heavy blue smoke on start up !

[jpliddy]

happy new year to you all !
my D24 1995 has a lot of blueish smoke on start up theses wet and damp mornings in the UK , it does go away after a short time ,my engine seems ok when its warmed up, im back to thinking its the injectors need changing and the timing needs to be checked when the cam belt is changed in a couple of months ,
all comments welcome ,
regards jim