throttle cables

Hello, I have a 1999 Seadoo Challenger with twin 787 engines. Last fall I had already winterized the engines but I wanted to fog the intake, carbs and cylinders before I put it away. We already had a frost the night before and when I went to prime the engine with the throttle lever it went...

Hey all So the latest event to have happened. The throttle cable both left and right are sticking and I can't find the parts. Has anyone bypassed the low idle steering cables and just used a single throttle cable (control handle to carbs). Or if anyone knows who can rebuild the throttle...