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  1. DannyMotor

    RD400 - Back from the Dead

    I agree. This winter I'm going to chem strip the tank, glass blast any rust pits, and then do a pressure test to see where she's leaking... I'll rinse with alcohol and air-purge before hitting it with the iron.
  2. DannyMotor

    DO THE TON / DIME CITY CYCLES BIKE OF THE MONTH - NOVEMBER 2017 VOTING!

    Re: DO THE TON / DIME CITY CYCLES BIKE OF THE MONTH - NOVEMBER 2017 NOMINATIONS Accepted! Thanks guys! I picked it up for $200 from under a tree. Had been sitting outside for 10 years! Gave it a nut and bolt clean up as close to original as I could. The paint is 100% original on the tanks and...
  3. DannyMotor

    RD400 - Back from the Dead

    After a flush the sediment is gone... i wont Kreem... but i did find a pinhole leak by the air box on the left hand side on the bottom of the tank... i think it can be welded. ::) Found my screen in the petcock was backwards so on was res and vicea-verse... Lastly, i was still getting bad...
  4. DannyMotor

    RD400 - Back from the Dead

    Ran into another odd-ball issue. It fired up and ran great about 4 times in a row... then on the 5th time (this is after significant cool-down between start-ups). It would backfire. I had the tank on "RES". I went chasing electrical thinking it was the points, maybe a bad switch, but no...
  5. DannyMotor

    RD400 - Back from the Dead

    Screws came with the right o-rings... she fired on the 1st kick and smoked me out. SUCCESS! She runs like a sewing machine! Warmed it up, rode it for 5 mins, let it cool down. Going to check the head bolts and start the break in process. Shes PEPPY!
  6. DannyMotor

    RD400 - Back from the Dead

    I washed out the crank case about 5 times with mineral spirits, then a little ATF, then more mineral spirits... each time the spirits came out more and more clear. I would spin the crank with a drill on the stator side with cardboard taped around the cylinder studs and rubber bands through the...
  7. DannyMotor

    RD400 - Back from the Dead

    Waiting for the O-rings for the idle air screws... then I'll fire it up.
  8. DannyMotor

    RD400 - Back from the Dead

    I also re-set the timing to 1.85mm btdc, and re-bled the oil lines.
  9. DannyMotor

    RD400 - Back from the Dead

    Glamour shots with the new mirrors...
  10. DannyMotor

    RD400 - Back from the Dead

    Top-end came back from Supertune1. Amazing quality of work. Jugs and pistons installed no problem. Chuck had mentioned he noticed a lot of grit in the cylinders, I thought it was from the honing blocks I used, but upon closer inspection there was SAND in my air box... I completely disassembled...
  11. DannyMotor

    RD350 troubleshooting - fuel overflow into engine, could sound like piston slap?

    Piston "slap" can be other noises. Rattle in the clutch, big end bearing, small end bearing, fin vibration, detonation, pre-ignition, unbalanced carbs, twisted crank shaft, etc etc. If you want to solve the running issue. Take the carbs off, clean them well with compressed air and carb clean...
  12. DannyMotor

    RD400 - Back from the Dead

    Bit more digging, found my air/fuel screw O-rings were completely shot... got some new ones on the way. Also got my cylinders back from the machine shop... they look amazing. Pics to come.
  13. DannyMotor

    RD400 - Back from the Dead

    Quick little update. Carbs are back to 100%. I was getting a back knock on the right cylinder, took it all apart and it turns out I was out of round. I was hoping the honing would've fixed it, but it seemed to have made things worse. I took the cylinders off and mailed them out to a...
  14. DannyMotor

    RD400 - Back from the Dead

    Really?! This stuff was STUCK on. I needed to hit it with brake-cleaner to remove it, and the dash-pot was completely empty. It basically puked itself into and around the friction (centripetal) drive. It was dead from 0-3000 RPM, then jumped from 3000 to redline (on a drill) and then hung up...
  15. DannyMotor

    RD400 - Back from the Dead

    The second time I had it apart, I thought it was hanging up on the non OEM gasket I had installed. I could place the bowl on, shake the carb up and down, and couldn't hear the float jumping. The needle and seat are stock, with 0 wear on them. They seal at the slightest touch of the float when...
  16. DannyMotor

    RD400 - Back from the Dead

    Thanks for the responses! Currently battling 3 gremlins. 1- Rebuilding the Tach.. all the dashpot oil turned to molasses and it was non responsive. Its torn down waiting fluid. (You can see in the picture the clear lid removed form the pot.) 2- the LH carb keeps overflowing. I checked...
  17. DannyMotor

    RD400 - Back from the Dead

    Last night I was able to pull the baffles, check for carbon (hardly anything in there), set the points gap to .014", set the timing to .070" (1.8mm) BTDC, put the new petcock on the tank (had to wait to source some fiber washers, found them at the hardware store for .20c!), and threw some fresh...
  18. DannyMotor

    Restoration project - CB400F 1975.

    I can't wait to see it under some clear-coat! That looks phenomenal!
  19. DannyMotor

    RD400 - Back from the Dead

    I originally used satin black PJ1 epoxy, but it came out too dull, so I went over it again with DupliColor Engine paint in "Ford Gloss Black". The wiring is 100%! I was able to fix the dent in my speedo housing with some strategic punch work and a skim coat of bondo. Not terrible, but perfect...
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