Rage 115hp turbojet sheared flywheel key

Repair or modification of Boston Whaler boats, their engines, trailers, and gear
Fuzzy748
Posts: 1
Joined: Wed Jun 12, 2019 3:30 am

Rage 115hp turbojet sheared flywheel key

Postby Fuzzy748 » Thu Jun 13, 2019 12:26 pm

Hi, I’ve bought a rage 15 with 115 OMC turbojet with starting and running problems, the motor is difficult to start and only runs on high revs, has a strange clonk when it stops and stops abruptly but doesn’t sound mechanical , motor spins over nicely without plugs fitted and compression good an equal on all cylinders,
Motor has just stopped and sheared flywheel woodruff key so time to investigate, I’ve ordered a strobe light to see when each cylinder fires and check timing etc,
Also I’ve decided to remove motor from jet, I’ve undone mounts, electrics and plumbing etc but wonder if there is a coupling to undo or does the motor simply lift off the jet,
I’d much appreciated any advice with reference to the symptoms etc, I’ve read about the control pack (cdi)? giving problems etc
Also I’d like to locate / download a manual if possible
Thanks in advance
Andy