Suzuki 2 Strokes

The po of my ‘75 GT 550 switched the gauges to the older style. I’d like to switch back to the correct gauges. I have the correct housing with the gear indicator and I’ve been able to insert the older speedometer and tach into it. Problem is, the po cut off the old 6-terminal connectors and replaced them with bullet connectors. Id like to purchase new connectors and they’re available at vintageconnections.com listed in a pinned post here.

Question is, which are the correct connectors, 2.8mm or 6.3mm? Also, what size/kind of crimper do I need? I’ll post pics of the connectors for sale and of what I have. Any help appreciated.

Also, if anyone has a spare ‘75 speedometer and tach, I might be interested.

You need 2.8mm connectors. Any non-insulated crimping tool should do.