What year did Sea doo Correct the grey fuel line issue?

[twin051302]

Was there a perticular year that Seadoo corrected the grey fuel lines?
I have a 98 XP LTD with original lines. It seems that I should have needed to change them by now. Did Seadoo correct them by then?
Thanks

 

[kustomkarl]

I have see the Gray lines on 98 seadoos...if there gray replace them and clean the carbs.

Karl