Recent content by DaveFournier

I have the same jet boat. Since you have new carbs and, replaced 1 engine completely and the top end on the other I'm going to rule those out as potential problem areas. After all, both engines start and idle well which indicates you have good fuel. At the high RPM I believe the voltage...

I have a 1997 Challenger 1800 with the dual 787 Rotax engines. I ran into a problem with one of the engines (left) starting then stopping after approx. 5 seconds. It was helpful to have one engine running fine as it allowed me to swap spark plugs and verify I still had a problem. In other...

This post and the resulting repair is AWESOME! You are going to make many boaters happy with your diagnosis and fix. I have a 1997 Challenger 1800 with two 110HP Rotax engines. So far, all is good but this is a good preventative fix. I would label your post as "SOLVED: Sea-Doo / Rotax...