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I tried to restore these old rusted spokes. From where they started, I think the results were very acceptable had I wanted to stay original. In the end, I opted to buy new rims, so I ultimately replaced the spokes with some new ones.

Started the wiring process and learned just how bad the old wiring was and looks like a precious owner kinda hacked some things. I decided to rip it all and start fresh. Going to be using a Motogadget mo.unit

Wish me luck, I'm gonna need it!

Cool! Eager to see how straight forward it is. The concept is good.

Yup. And that's a good living.

 

FAKE NEWS! 

Another endorsement for 4ino1. They're just a short drive from my house, so I've actually been to their warehouse to pick up parts. The owner is very nice and candid. We talked about the need for Japanese vintage repop parts and how little money he's actually making from the selection. He's conscientious about selling good quality at budget prices. I'm happy with my purchases.

 

Sounds awesome!

That's a good rebate!

Beautiful! I bet that's a fun bike to ride!

Awesome!! 

Looks like a good showing. Was hoping to be there, but it was my wife's bday...

Good theories. Glad I have the HPI unit, which may mitigate the problem.

Another interesting find on my part. I got the 64.50mm Pro-X pistons in the mail. I measured them against the ART CruzinImage 64.50 pistons. The Pro-X measures at 64.36, while the CruzinImage measures at 64.44. NOS Yamaha pistons measure exactly the same as Pro-X. The holes were originally bored for the Yamaha slugs. When I replaced the NOS pistons and installed the CruzinImage pistons, we just did a quick cleanup and in the went- and they ran great till I really pushed them. Now that I'm back to the smaller pistons, wondering if that alone will alleviate future overheating issues?

When I had a shed full of RD400s, the first one I bought had the left cylinder 1mm O/s and right was stock, so I gathered up a few spare motors and most had larger left cylinders or were missing a left. I put that down to the left crank seal behind the alternator drying out and leaking, but I suppose it could also have been crankshaft whip on the side with the heavier rotor compared to the small primary drive gear.

With all this talk about left cylinder issues, I looked back on my records to check things out. I remember than when I had the engine rebuilt, I had to shop for replacement jugs. The previous owner had left cylinder problems too! The right measured as standard bore, but the left was at 66.0mm!

another weird anomoly, just as a point of interests, is when there's low voltage or such on a stock type ignition, the RH coil is always the one that seems to fail 1st. 

Interesting idiosyncrasies