You might consider removing any radiator 'vanity screen' to improve cooling. They block airflow. Do yourself a favor and shoot some lubricant on your sidestand switch's shaft, and work it back & forth a few times, that sticking can prevent your bike from starting. Same goes for the starter button, shoot some in-there too, same reason.
Do the 'crimp-fix' (solder a brass crimp electrical connector) to increase voltage in your electrical system. (3) Crimp fix done | Yamaha Star V-Max VMAX Motorcycle Discussion Forum (vmaxforum.net)
You can use the 'advanced search' in the upper right where it says 'search,' click on that to get to 'advanced search' to look for info on any topic which comes to-mind on the bike. It's happened to someone on-here before it happened to you. No, you don't need to use the member's screen name to get results, a subject is good enough. (3) electrical connectors | Yamaha Star V-Max VMAX Motorcycle Discussion Forum (vmaxforum.net)
Inspect the electrical system's stator plug on the left side of the bike. Don't be surprised if you see brown discoloration of the 3-wire nylon plug, that means you have overheating/a poor connection. Cleaning each M-F connector to shiny metal, and a smear of dielectric grease on each connector helps to restore AC output from the stator to the regulator/rectifier (R/R). Some solder these wires to eliminate the connectors, there is no particular order to the wires as long as 3 (stator) go to 3 (R/R). Use good heat-shrink tubing placed before
Info for new owners, read the questions answered post, and download the factory service manual, and print-out a copy for your shop, place it into a 3-ring binder. You will be using it frequently.
(3) New Vmax Owner FAQs....new members please read! | Yamaha Star V-Max VMAX Motorcycle Discussion Forum (vmaxforum.net)
VMX12- Service-Manual.pdf (vmoa.net)
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Here are three people you probably may contact for parts or service. I've used all of them, and they all provide you with cost-effective ways to fix/repair your bike, and are sources for used/new parts too:
Sean Morley, who has a Morley's Muscle facebook presence [email protected]
CaptainKyle [email protected]
lots of used parts, and he is I believe a Parts Unlimited dealer too.
for all things carburetors [email protected]