1976 YAMAHA RD400 Custom

Discussion in 'Some Assembly Required' started by Fast Idle, Feb 9, 2019.

  1. 3legs

    3legs Real men ride sidecars Supporter

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    Come on Steve I need my daily resto fix. I'm getting withdrawal symptoms:D

    He must riding the rings off the thing and enjoying himself too much (can't say I blame him) or he is searching for his next project.
  2. Fast Idle

    Fast Idle Since the Sixties Supporter

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    You're right on that Alex!
    It's almost sorted out, ordered more main jets today.
    One more change on the mains and I think it should be good.
    Been juggling all kinds of stuff at once. The RD, the H2, SUMMER STUFF!, the 93 RM125 and all kinds of other shit.
    I'll try and get the GO-PRO charged up and shoot some riding soon.
    Can't promise anything though, summer bike trip is just around the corner.
    I will say the RD is definitely a keeper. Been running my 16 mile loop and tuning it. The new brakes are way impressive, not too much and not too little, just perfect for this bike!
    Suspension is good, seat is comfy, handles well, no real issues, I like it a lot. As soon as the tuning is done I'll post some footage.

    :drink
  3. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Had some serious rain the last few days so I got some more done on the RM125.
    Mostly just cleaning up old parts and ordering replacements for the ones that were missing or damaged.
    The bike had definitely been thrashed on but I think it's going to be pretty nice when it's done. Not a nut and bolt restoration but a good rider.
    The hubs and brake calipers are looking good after soda blasting. Each rim has a ding but they still spin pretty true on the stand and there aren't any loose spokes.
    P1120062.JPG

    P1120063.JPG
    Seat cover was done for so I fitted a new one. It's really nice with grippy fabric.
    RM125 (25).JPG
    RM125 (21).JPG
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    Most of the plastics cleaned up OK but the number plates were thrashed.
    RM125 (23).JPG
    Picked up some nice used ones for $20 delivered.
    RM125 (22).JPG
    RM125 (24).JPG
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  4. Kai Ju

    Kai Ju Long timer Supporter

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    Do you soda blast outdoors, or in a cabinet ?
  5. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Outdoors for soda, cabinets for glass and sand.
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  6. Roofchop

    Roofchop Hands up mother stickers, this is a f**k up!

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    Astute viewers of Mr Idle already knew this....

    Pay more attention Mr Ju....:D
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  7. Kai Ju

    Kai Ju Long timer Supporter

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    I'm too poor to pay attention...
  8. more koolaid

    more koolaid Been here awhile

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    Indoor soda is more entertaining :lol3
  9. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Yeah, we've seen the pictures on that. :imaposer
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  10. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Got some more main jets for the RD but haven't had time to put them in.
    The RM has had the lift tied up too. I went through the front forks and put in new seals but have been waiting on fork oil before they could go back on.
    P1120056.JPG
    Parts are trickling in for the RM. The motor was pretty trashed. End up ordering a different crank, cylinder, and cases.
    The rod took a chunk out of the intake tract on the case, one cylinder stud was stretched really bad plus the oil plug boss was cracked and welded but there was a 1/2" repair plug in it without much bite.
    P1120067.JPG
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    Better off to get a different case for sure. Found a decent set for $100.
    P1120066.JPG
    The cylinder was kind of chewed on too so a better one is in route plus a stock Suzuki piston kit. Once it all gets here it will go out for a re-chrome.
    Got a cool graphics pack to spruce up the old plastics.
    P1120073.JPG
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  11. Kai Ju

    Kai Ju Long timer Supporter

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    what happened in '74 ?
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  12. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Freedom from school!:y0!
    :rofl
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  13. Scrivens

    Scrivens Long timer

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    Well, for me and RMs, in 1974 a mate was pulling the midnight to dawn shift at a servo on the highway and I used to go over and keep him company for a few hours several nights a week. An RM125 appeared at one point, leant up against the back wall of the workshop area, and stayed there for several weeks looking abandoned. Turned out it was owned by one of the day shift guys and it had died and he couldn't get it running again. Having nothing better to do I worked on it for a couple of hours, fired it up - it was loud - and spent some time on the back wheel in the forecourt until the cops turned up and had a few words. Neat bike.
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  14. Richarde1605

    Richarde1605 Long timer

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    Truth!
  15. Kai Ju

    Kai Ju Long timer Supporter

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    Depends on your POV, and who has to clean up the mess...
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  16. 3legs

    3legs Real men ride sidecars Supporter

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    Hey Steve, slightly off topic but do you have any suggestions on how to clean up old wiring loom ends, like the clear plastic covered bullet type female connectors. I have a complete wiring loom that is fine but the ends are old and dirty but still in good condition and I don't want to cut them off and put new connectors on ( i'm lazy plus I hate electrics:lol3 ).
  17. Richarde1605

    Richarde1605 Long timer

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    I have wired many bikes and shedloads of cars, I never tried to get the clear shells clear. Just easier for me to build a new one, or something better. You can buy the shells and male/female terminals, get some decent crimpers and you can reproduce the factory look, with careful selection of materials it is fun to build it how it could have been...

    Take lots of photos, unless you are doing a restoration just do one branch at a time. Check the wire colour either side if disconnecting/checking more than one wire at a time...
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  18. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Haven't really been able to get those clear shells clear again. I clean them as I do the rest of a harness using a rag that's fairly wet with spray cleaner (409). That's for the outside which is usually the dirty part. They clean up pretty good like that but still slightly yellowed. Then contact cleaner on a swab for the connector inside if it needs it. I have soda blasted the inside before and that works. Any that don't clean up well get replaced.
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  19. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Started putting on the graphics yesterday.
    125on 611 (3).JPG
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    Got the forks oiled and installed
    graphics (2).JPG

    graphics (3).JPG
    I like it.
    graphics (1).JPG
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  20. Neil E.

    Neil E. Been here awhile

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    You're going to have a few bucks into that "angry mosquito" when it's done. Time to try out vintage racing.
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