120 Sport Jet in a 1996 Sugar Sands. Motor has been replaced and according to the serial # (OE122548) the motor is a 1995. Boat is new to me. Tried it out and everthing seemed fine.
Get it home and after 2 trips, problems.
Today developed a miss at slower rpms. Would speed up and it would smooth out. After a few minutes everything seemed okay. Was running about 2/3 throttle and engine died. It was like you turned the switch off.
Still cranked, but no firing.
Back at home, checked for loose wires, found one ground loose, but still no luck.
Borrowed the neighbors spark tester and found out the following.
# 1 cylinder, constant spark but somewhat yellow.
# 2 cylinder, bright blue but intermitent after a little cranking. If cranked long enough, it stopped.
# 3 cylinder, nothing. Even switched spark plug wires to eliminate them.
# 4 cylinder, constant bright blue spark.
I will find out about my stator, do the other tests, and get back here when done.
I have the shop manual and did disconnect the black/yellow from the switch box and also from the rev limiter. It had no effect. I got the same results.
Get it home and after 2 trips, problems.
Today developed a miss at slower rpms. Would speed up and it would smooth out. After a few minutes everything seemed okay. Was running about 2/3 throttle and engine died. It was like you turned the switch off.
Still cranked, but no firing.
Back at home, checked for loose wires, found one ground loose, but still no luck.
Borrowed the neighbors spark tester and found out the following.
# 1 cylinder, constant spark but somewhat yellow.
# 2 cylinder, bright blue but intermitent after a little cranking. If cranked long enough, it stopped.
# 3 cylinder, nothing. Even switched spark plug wires to eliminate them.
# 4 cylinder, constant bright blue spark.
I will find out about my stator, do the other tests, and get back here when done.
I have the shop manual and did disconnect the black/yellow from the switch box and also from the rev limiter. It had no effect. I got the same results.