Mercury Snowmobiles Discussion Board

I have a 76 Merc 440 T/T, engine is the 2AS style with type B prestolite electronic ignition. Ran for 3 mins, turned it off, now no spark (similar thing happened last year). Replaced the CDI and stator with new ones from Scott Hewelt, and even a different trigger coil, new coils and coil wires, even...

exact same machine with the exact same problem.

I've replaced trigger, stator, CDI, coils, coil wires....still nothing.

I still need help.....

Bill....

I have a 76 440 T/T... is the wiring diagrams similar?

I'd love a copy as well....can't get spark...replaced the CDI and stator with new ones from Scott Hewlett, and even a different trigger coil.

But still no spark.