Are they both the same year and CC? Do you think its the CDI box, trigger, pulser or control coils? I have a Clymers 90-95 repair manual. if you need any test procedures let me know and I can probably scan a few pages and email them to you.
'97 Indy XLT limited - Sweet sled
'95 Indy XLT (my first Triple)
'91 Indy Classic - Stock - rebuilt clutch. - FOR SALE $600
'86 Indy 400 - Not Stock - FOR SALE - $800
'86 Polaris SS440 - FOR SALE $300 -
'86 Indy Trail - FOR SALE - $400 good beater sled!!!!
'85 Indy 400 - "WE WILL REBUILD IT!"
'79 Polaris Gemini 250 (244 Twin)
'78 Arctic Cat El Tigre 6000 (440 L/C)
'73 Polaris Colt 294S/S (F/A) - FOR SALE $300