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  1. 1978 Honda 750a Hondamatic

    1978 Honda 750a Hondamatic

  2. New Member Introduction - Wil Robinson

    Member Introductions
    Hello Everybody, My name is William (Wil) Robinson and I am from Cinnaminson, NJ which is right across the bridge from Philadelphia. I am 22 years old and currently work as a support desk technician at a law firm in Center City Philadelphia. As soon as I turned 15 I bought a Tomos moped and...
  3. New Member- Excited to be here!

    Member Introductions
    Hi Everybody, Just here to introduce myself. I'm Jake and I live in Eugene, Oregon. I just picked up this 1978 Honda Hawk II. I own a Grom as well that I bought from my girlfriend after she upgraded. Wanted the Hawk because I was looking for something with a little more power (I'm new to...
  4. Greetings from Orlando

    Member Introductions
    Hi everyone. A little over month ago I became the 3rd owner of a 1978 CB400A Hondamatic Hawk in Tahitian Red. It had +/- 4700 miles on the clock, but according to the seller, hadn't been started up since 1992. It had obviously been somewhat protected from the elements, because although it had...
  5. 1978 Cb400TII Not Reaching Top Speed

    Engine Discussion
    Hey guys, I have a 1978 Cb400TII that I've been working on trying to get it tuned up after it was given to me by a family member. The bike has 24K miles on it and has not been sitting so any long period of time, it was used pretty regularly before I had it. The engine runs well by my...
  6. First time bike restorer in Savannah GA

    Member Introductions
    Hey everyone, I recently was given a 1978 CB400t by a friend who didn't have time to work on it. I am a mechanic for a golf course, so I took it on as a fun project. My friend had it in pieces, and I have recently really dove into it. It doesn't have carbs, so I need to locate those, and replace...
  7. How tough should the throttle be on the carb?

    Fuel Supply and Carburation
    Hey I took off the carb of my '78 400t and the ait to cab side seem to rotate fine. but the carb tot engine side (The throttle i think) is pretty stiff. I'm not sure is there is anything I could do to get it moving nicely? I used PB blaster / carb cleaner to free the other side (airbox to car).
  8. CB400t manuals to buy?

    Manuals and Technical Documents
    Hey all I just got into the twin game, if not the whole motorcycle scene with the purchase of my 1978 CB400T. It's gonna be my little winter project. Anyway I just wanted to know what manuals to get. I see there's a Clymers and maybe a hanynes? Then when looking around here people are sending...
  9. 1978 CM 185T no spark no fire

    Electrical Discussion
    So i've had this project bike for a bit now but can't get over this hill figuring out how to get the bike to fire. I have fuel flowing, she's kicking over but i'm not getting any spark from the plugs. I put in a new battery, cleaned the carb, made sure that's all in tact. Wiring: As far as...
  10. '78 CB400T II - Questions and guidance on dropping engine to replace bottom crankcase

    Engine Discussion
    Hey all. Before I've posted about my bike and it's oil leak. PO over tightened the oil drain bolt, and this resulted in a crack along the threads. He/She did a ****ty JB Weld job on it, and it's leaking. The leak has gotten worse over time. I decided that I want to fix this problem once and for...
  11. 78 CB400TII – First Bike (photos and fun)

    Project Logs
    I don’t have a lot of technical and mechanical experience, so I wasn’t sure about making a Project Log and having it end up being a public record of oh whoopses, but I’ve already learned a lot from reading other threads, and I think it would be nice to have an inventory of the things I end up...
  12. Exhaust pipe to power chamber gasket for '78 CB400TII

    Miscellaneous Discussion
    Hi all, I’m looking for some help. I'm trying to find the right part for a 1978 CB400TII. I hope this is the appropriate form section for exhaust questions. When I purchased the bike, the PO talked me through the work that he had done already, and the things he hadn't gotten to. He mentioned...
  13. '78 CB400a - Project Step Up

    Project Logs
    Just a quick intro about this project I've undertaken. I came into a 1978 CB400a through a family member recently. It's been in a basement for at least the past 10 years and the odometer shows 850 miles. As the story goes, said family member acquired this bike plus a second identical bike from a...
  14. 1978 CB250T Restore complete

    Pictures and Videos
    Well, more or less complete - i dont know if restorations are ever actually finished :-) Thanks for the help from all the posters at Hondatwins! This is a gopro video of a ride around sunny suburban Perth, Western Australia. Paul
  15. finding OEM rebuild kit for VB24A carburetor

    Fuel Supply and Carburation
    My dad and I are working on a 1981 Cm400A recently bought a pair of VB24A carburetors to replace the original ones which were broke. I have been looking for a rebuild kit to go though the thing, and poking around here I have herd aftermarket ones may not have the right jet sizes or vary...
  16. 1978 cb125s front brake arm

    Tires, Wheels, and Brakes
    Greetings, I have a 1978 cb125s and I am attempting to fix the front disc brake. I am specifically looking for part# 45320-397-720 or 45320-324-700. All the parts places I have contacted online no longer have these parts available. I would be interested in buying the parts I need if anyone...
  17. 1978 honda cb400t hawk 2

    Project Logs
    Hello, I'm new to the forums and recently bought a 1978 cb400 hawk for $325. The exhaust is rusty but it does run. I already bought a new oil filter as I plan to change the oil soon. I also cleaned the inside of the gas as it was rusty. I plan to turn this into a nice cafe racer style bike. I...
  18. 1978 Honda Hawk CB400A Hondamatic Owner's Manual (PDF)

    Manuals and Technical Documents
    I've been looking for a Owner's Manual for my 1978 CB400A for a long time now and I finally found it. I found this on a Yahoo! group in individual JPGs and combined into a PDF. MEGA link (PDF ~26MB):!65QSCRpR!OWeN_FMzw5X5Y272j3y9TOVJo_fdvS-4sdIgsSUKzAY Here is also an Imgur...
  19. New member, first bike. need help

    Member Introductions
    hi everyone, i just bought my first bike. its a 1978 Cb400t1 so its a kickstart basic bike. i obviously biught it used and it needs some work done. the previous owner left the petcock valve on "on" for who knows how long with old gassoline in it. i suspect that the engine has a combination of...
  20. a fond hello from Wawa....Canada eh.

    Member Introductions
    Hey guys, Painfully new on the scene here...Not so much to the Motorcycles or to engines but to the Twin Honda parade. I purchased a project bike(restoration/scrambler) 1978 CB400T Hawk ii with the Normal grocery list of issues... and the old "the carbs just need cleaning" line. that is what...