1999 Ski-Doo Factory Shop Manual Volume Three, Page 216Get this manual
Section 06 ELECTRICAL Subsection 04 (BATTERY)
6Connect battery charger for 10 to 20 hours
A17E0GA
130 minutes
A17E0IA
4Allow gas bubbles to escape by lightly shaking battery by hand
CAUTION
If charging rate raises higher than 2.4 reduce it immediatelyIf cell temperature rises higher than 50C (122F) (if the casing feels hot) discontinue charging temporarily or reduce the charging rate