Suzuki TS185 Tach Drive Problem
My ‘73 TS185 tach drive isn’t working. I bought the bike in reasonable condition but it was missing gauges, headlight, and turn signals. I’ve added those items plus very good condition gauges however, after attaching a new tach cable to the drive port on the back of the engine the tachometer wouldn’t operate. The opening had been uncovered for no telling how long and likely accumulated debris inside it freezing up the drive shaft gear. The shaft wasn’t turning the cable insert. I replaced the tach drive shaft and cover tube with a good used working one but still the tachometer would’ve operate. I can only surmise that whatever gear the shaft connects with in the engine case is worn out also. My question is which part do I replace inside the engine? I don’t see anything on diagrams from different OEM parts suppliers for this year model, or other close year models, that connects the tach drive shaft to the transmission or oil pump. Someone said there’s a plastic gear that connects to the oil pump. My second question is, do I have to split the engine cases to fix this?
Thanks,
rbevel
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