I stand corrected . If you cross reference the pack on CDI charts the 87 is unique ..
Here is how I found out what mine is, remember I went through the same thing and you guys help me big time ...
I ref the pack numbers, screws on the butterfly 3 = 140 hp, numbers on the power head, numbers off the coils, numbers off the carbs, jets sizes and called it a 87 since :)
It only took me 4 months plus !
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