Bombardier SeaDoo 1990 factory shop manual, Page 192Get this manual
Section 13 TROUBLESHOOTING , L
ENGINE LACKS ACCELERATION
OTHER OBSERVATIION
OR POWER
POSSI;BLECAUSE
Check1replace, refer to section 07-05-1 Check resetrejet, refer to section 05-01-1 Check readjust Check repair, refer to section 03-03-1 Checkclean Checksiphon replace Checkclean, refer to section 05-01
Weak spark Carburetion, jetting too rich lean
Throttle does not reach full open Law compression Exhaust system restriction Water in gas or oil Debris in needle valve
ENGINE TOO FAST
OTHER OBSERVATION
POSSIBLE CAUSE
REMEDY Check, refer to section 07-05-03 Check replace NOTELeading edge damage contributes to poor performance from start Trailling edge damage contributes to poor top performance and stator vane erosion