Seeking Engine Date of Manufacture

• Model ROTAX 912 ULS
• Production Date 06.03.2007
• Product Serial Number: 5648294
• with fuel lines
• UL2 I=2,43 with clutch
• without vacuum pump
• with green valve covers
• without mech. tachom. pick up
• without external generator
• without air guide baffle
• with std. temperature sensors
• with screw connection metrical
• with expansion tank
• without air box
• without engine truss starter large

Sorry if I put my request in two post. This seems more actual. I'm looking information for the serial number 4404399. Thank you very much.

Below is all the information available for your engine 

S/N 4404399

Engine Type: 912 UL

Production Date: 09.04.2001

Hi! Can you pls help me with the info of my Rotax , serial 6811371 ?

Many thanks