Derek81 Active Member Jun 22, 2019 #1 I have a 1999 Sea-Doo Challenger 1800. STBD engine is running rough, Sparks and back firing coming from AFT carbonator on the rotax 787. Any suggestions?
I have a 1999 Sea-Doo Challenger 1800. STBD engine is running rough, Sparks and back firing coming from AFT carbonator on the rotax 787. Any suggestions?
