2004 Skidoo Tundra Skandic Series Service Manual, Page 414Get this manual
Section 10 TECHNICAL DATA Subsection 04 (TECHNICAL DATA LEGENDS)
ENGINE TECHNICAL DATA LEGEND
BTDC: CDI: K: MAG: N.A PTO: R: ST: Before Top Dead Center Capacitor Discharge Ignition Kilo (x 1000) Magneto Side Not Applicable Power Take Off Side Rectangular Semi-Trapezoidal