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AFAIK yes a swap is possible but the pick-up coils are different. 2 on the '86 & 1 on the '94. The generator rotor is different to account for that. Wire harness is different also. The gauges cluster may have a difference also. Do a site search for that information.

MaxMidnight is right on the Deoxit, Kroll is a Liquid Wrench/PB Blaster type product penetrating oil. Acetone & ATF mixed 50/50% is also an effective penetrant. I use a small tool to pop loose the connectors from the nylon male/ female blocks to be able to sand them shiny bright if they are...

Kroll is a good remedy but prcey, but you want to ride your bike don't you? (For others having poor electrical connections).

A MOSFET r/r is a good one. There are many threads on here about the mosfet regulator rectifier. I suggest using the search function and see what you come up with that's probably the quickest way to get information. Also try Eastern Beaver company for male and female connectors and other...

Whatever the OEM valve guide is for its length, it's not uncommon to have it protrude into the intake or exhaust tunnels. Some people cut-off the valve guide to reduce or to eliminate the intrusion, and to make less resistance to volumetric airflow. in the passages. That's more-of a racing...

Billet bike button! From another forum: Around this time I remembered that I had some 3/8" Al rod left over from another project. And that Al machines so easy I could probably chuck it in the drill press and file it down to what I needed. So here is the prototype before I shortened the...

Here's one I got in about a minute using 'search the internet for this image,; by right-clicking on the schematic I sent you in this post. Note that this is the 1985-'89 diagram and the pick-up lead is 5 wires. The 5 pick-up coil leads: black red & white orange green & white grey

Sorry as to where that was sourced, I cannot recall. For things like that I usually google a specific word group, trying to narrow the search results. Something like '1985 Yamaha VMax wiring diagram' and then sort through the chaff until I find the best rendition. #1 is the colors make it an...

I don't think I've noticed one

You should either buy a new/used pod containing that, or have a machinist make one for you, or check-out some lesser Honda of similar vintage, as the button is probably identical. https://www.jdpower.com/motorcycles/1984/honda/vintage-motorcycles ebay should have tons of Honda parts of that...

You may enjoy it even-more if you get that Kerker 4/1 or a Star Rider Performance 4/1, (the new UFO) and a Stage 7 Dynojet kit, or a Morley's Muscle ([email protected]) Jet Kit, a set of HH front caliper pads from a known manufacturer, along with stainless steel brake lines for the front. That...

'85-'89 bikes used two pick-up coils. The 1990-'07 bikes used one. The '85-'89 bikes have five wires from the two pick-up coils. The 1990-'07 bikes take two wires. The cdi box is different, and the wire harness too, The rotor is different for the electrical stator/rotor assembly.

An impressive close-up, can you back-out a bit? From where to where does it run?

Post #251 of this thread mentions using radial tires. I don't know of any radial tire for motorcycles which is a high-number profile such as our bikes have for a bias-ply tire, from the factory. Ours is a 90-series, bias ply. That means it's a much-taller tire than any radial motorcycle tire...

I believe that's the administrator's prerogative. I am not aware that a moderator can do that.

Welcome. Some reading for you: https://ia800204.us.archive.org/14/items/printermanual-yamaha-vmax-vmx12-service-manual/yamahavmaxvmx12-service-manual.pdf Print out the shop manual, & put it into a 3 ring binder. Save a copy to your computer...

Welcome, here are some pieces to help you work: https://ia800204.us.archive.org/14/items/printermanual-yamaha-vmax-vmx12-service-manual/yamahavmaxvmx12-service-manual.pdf I suggest printing a copy of the manual and also saving it on your computer. Put the hard-copy into a 3-ring binder...

Last, pics of the gas cap with the key in the 'locked' position. The key is vertically-positioned when the gas cap arrow is at 12;00. In the second picture, the lock cylinder round casting with its two die-cast 'D-shaped' pins. The cap's wide detent pins are pulled-inwards as the key is turned...

Welcome. This is a good place for information and finding people near you to ride-with. You'll need this: https://ia800204.us.archive.org/14/items/printermanual-yamaha-vmax-vmx12-service-manual/yamahavmaxvmx12-service-manual.pdf Save a copy of the .pdf file. Print-out one and put it into a 3...

I recently started working on one of the fleet, to make it safely operational. It's been sitting for years. I had help from my friend who owns a shop, and we got it running on an auxiliary gas tank. There was a problem with the bike's gas tank. The ignition key wouldn't turn the 90 degrees...