Just got a used trx90 that doesn’t start – Sprayed some starter fluid to see if I would get anything and nothing happened so assumed the issue was electrical. Replaced spark plug and coil. Does get a spark but it seems weak (i.e., it only sparks if I really pull hard, doesn’t spark if my kids pull the cord). Not quite sure what to check next. Am I safe in assuming that it is an electrical problem, given that nothing happened when I sprayed starter fluid in the carburator?