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Schooter's CB 750 Cheesy wanna-b build!

Discussion in 'Other Motorcycles' started by schooter, Jan 1, 2009.

  1. schooter

    schooter Active Member

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    WEll, i finally did it, i got another motorcycle. Heres the Skinny: 1981 cb 750 custom. 12k miles, been sitting for 3-4 years in a covered shed, EVERYTHING is there (phew), including the odd sissy bar you'll see in the picture :D . It desnt run, yet, the battery is dead, so im going to charge it over night and see what this 5+ yr old battery can do, if nothing ill pull the one off my xj and try. I will probably take the carbs to my local honda dealer and have them clean them, as well as possibly replace the font seal.
    I paid 350 for it, i think its worth that, even if it doesnt run, but i can lose much money on it. Do you think i paid too much?

    I also found some interesting things on this, a motorcycle security system that is completely disabled, and shot, and some rat poisen. have yet to find a way to get into the airbox to look at it.
    Im also mad that the mufflers on this are not separable from the headers, its one big piece, or am i wrong?

    Heres the bike when i got it home, after it tipped over in my s10 8O didnt hurt it. Note the gay sissy bar.
    [​IMG]

    Jealous of my clean tank?
    [​IMG]

    Heres the bike after i got dont with it today:
    [​IMG]



    Also, will i be hurting the structural integrity of the fram if i cut where i put the pencil mark?
    [​IMG]
     
  2. Zookie400

    Zookie400 Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    the frame should be fine if you cut it there.

    is the sissy bar made from solid stock? that looks really heavy!
     
  3. wizard

    wizard Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    I will probably take the carbs to my local honda dealer and have them clean them <QUOTE>

    WUSS, good job they don't still have the draft, or you would probably dodge that as well!
     
  4. schooter

    schooter Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    Ouch, i was going to take off my airbox last night, but even doing that scared me... it was soo tight in there
     
  5. rpgoerlich

    rpgoerlich Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    Remove those chrome airbox side covers, loosen the airbox to carb clamps and use a ratchet strap to pull the airbox towards the rear wheel after your sure you have all the mounting hardware and hoses off of it. This will give you enough room to remove the carbs and slide them out.

    Then your mission should be :p to carefully dis-assemble and clean those carbs yourself! Make sure and have the right tools, good screwdrivers, 6pt wrenches/sockets. Take your time and do one carb at a time then re-assemble it and move to the next carb. You dont have to take the rack apart. Those are easy carbs to clean, no diaphrams. Dont soak the whole carb, just the float bowl. I believe it has a rubber tip on the float valve. Make sure you have all rubber parts out before you go shooting carb cleaner in it!

    And a forum for it here :arrow: http://www.cb750c.com/
     
  6. dwcopple

    dwcopple Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    yeah, do it yourself, a reputable Honda shop will charge at least $100 to do a 4 carb rack. Those are simple. And I wouldn't cut the frame until you have a positively definite idea of the look you want AND know that you can accomplish. That really is a nice DOHC Honda and could be a gorgeous example. Think twice about hacking it. You could easily triple your money on it when you get it running and cleaned up!
     
  7. schooter

    schooter Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    i was thinking that, its nice, with some water and chrome polish, i could get some money out of it, but the paint is pure poop, flakes and so on, it look like a home paint job, theres spatter marks all over it.
     
  8. rpgoerlich

    rpgoerlich Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    You'd be lucky to get it in the shop to begin with and it'll probably cost ya around $250-400 for the carb job!

    Sounds like a discount for a paint job.
    It's only a tank and 2 side covers... Either sell it like it is or have some practice painting on it!
     
  9. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    I agree. It's way too complete of an example to start hacking up. Clean it up nice and triple your money in the spring easy. Or get it painted properly and make a $grand.
     
  10. schooter

    schooter Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    ya, my dad wont let me paint it like a john deere, i thought he would be stoked, but i plan on painting the engine black, or shine it up somehow, and paint it exactly like cheesey's bike.

    I put o nthe gas tank, side covers, and the xj700 seat, and i love how it looks! except for that ugly bar

    I pulle dthe spark plugs, and it crushed my heart, i think 2 were almost brand new, maybe the third, but they were white as snow! one was blacker than black.... so i got some playing to do.
    I bought a clymer manual, so we'll see whats going to happen
     
  11. schooter

    schooter Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    nah, the honda dealer is a small shop, they're family friends, sorta, i asked how much it would be to clean the carbs, and if i brought them in, 100 bucks, not including parts, or if i bring in the bike its 55 a carb. he said its about 30 bucks a carb for a rebuild kit. i dont have the money to do the rebuild kit, but i may use my manual and my dad and slowly tear into them, or get a family friend to help that is a mechanical wiz
     
  12. schooter

    schooter Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    oh the sissy bar is solid, probably only weighs 5 lbs tops, anyone on here can have it for free, just pay shipping
     
  13. schooter

    schooter Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    Ok, well here is a really rough lok at what my bike may look like, ill have revers clubman bars on, some paint, and just a fresher bike
    [​IMG]
    here is the plugs after i pulled them:
    [​IMG]

    And here is the surprise i found in the airbox, im not sure if its mold/poop/dogfood/mothballs:
    [​IMG]
     
  14. HalfCentury

    HalfCentury Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    That airbox is just nasty. Better put on a hazmat suit to clean it or expect to sire children with six heads.
     
  15. schooter

    schooter Active Member

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    Re: Schooter's CB 750 "Tractor" Build! (pic heavy)

    ya, i was getting pretty nautious, how should i pull the carbs off? loosen all 8 clamps ( one for engine part of boot and 1 for carb boot) and yank? or is there a method to the madness
     
  16. dwcopple

    dwcopple Active Member

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    no method, just remove throttle and choke cables, loosen the intake clamps and sit ON the bike grab each end of the rack and yank up and away...heat the intakes with a hair dryer first to soften the rubber. I wouldn't buy clubmans until you try flipping the stock bars upside down. either way you are gonna need to shorten the cables or buy new ones. You should really consider just painting and selling as it sits though. I can guarantee it will bring you much more $$$
     
  17. schooter

    schooter Active Member

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    well, i found a set of carbs on ebay, that say they work, and if i were to bid and win, i think it would cost me about 50 bucks shipped, i think i will save money doing that.. and thanks for the tips, ill try that tommorrow after i weigh in my cattle for the fair. Ya i was going to put the clubmans upside down, so its like a raised drag bar, or, depending on how much jc whitney or what ever is shipped to my door i will get straight up drags, i knwo they will clear my tank without a riser.
    i could probably paint it and sell it for more, but i dont really want to. I want t osell my maxim, ride this, and sell it if i ever need money for collage, cuz i imagine it will sell fast cuz these bike or worth some cash
     
  18. TIMEtoRIDE

    TIMEtoRIDE Active Member

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    First thing- - compression test- - why is 1 plug black??

    If you don't hack the frame or ruin the stock parts, you can always put it back together stock when you're done playing with it. Make a duffle bag rack, or a smooth tail piece to hide the frame.

    And I bet the insides of your carbs look just like these. . . but smaller.

    http://globalcxglvtwins.hostingdelivere ... f760bcc933
     
  19. schooter

    schooter Active Member

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    well, according to the sticker i found on the bike, he was running the wrong kind of plugs, is there a spearate mixture screw on the carbs?
     
  20. dwcopple

    dwcopple Active Member

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    what does your manual say? about the plugs and the mixture screw?
     
  21. TIMEtoRIDE

    TIMEtoRIDE Active Member

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    If your carbs are exactly like the CX-GL carbs, but smaller, then your idle mix screws are on the bottom, in front of the float bowl, and designed with a wing that hits the bowl, limiting your tweaking, and that wing is on a thin neck which WILL snap off if the threads are too gummy, so WATCH IT!

    Once snapped, you will need to hack saw a screw slot into the mix screw.
     
  22. schooter

    schooter Active Member

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    eh, im just goingt o buy some new carbs, these are beyond hope, and will cost me more to fix and buy new, ill post some lovely pictures of the rat poisen? i found in then, and how gummy they are, and unfortunately, im not talking about bears here.
     
  23. schooter

    schooter Active Member

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    oh, i dont have my manual yet, i found a sticker on the frame with all the basic info, spark plug type, motor oil, umm idk, just stuff
     
  24. schooter

    schooter Active Member

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  25. SecaRob

    SecaRob Member

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    Disclaimer: the motorcycle has some complications idling, but is able to by turning the mixture screw.

    Who is the guy kidding :lol: :lol:
     
  26. dwcopple

    dwcopple Active Member

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    BINGO!!!
     
  27. schooter

    schooter Active Member

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    hey, i jsut sand blasted the tank, and my dad says that being exposed to the air will make it rust, anything i can do to prevent this? i plan on putting primer on tomorrow
     
  28. schooter

    schooter Active Member

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    and what do you mean, who is this guy kidding? is he saying the carbs need to be cleaned or something?, cuz i dont get it..
     
  29. schooter

    schooter Active Member

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    also, how should i paint chrome? its too tough to sand blast or us aircraft remover, lol, though that may shine it up?, anyways, shoulsd i jsut rough it up with 220 sand paper and them spray on some primer?
     
  30. dwcopple

    dwcopple Active Member

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    150 grit always worked for me. self etch primer helps too. slather the tank in wd40 or wipe it with an oiled rag. when it is time to paint acetone is your friend.

    BTW, I'll still give ya $500 for the Husky...or has anyone inquired on your Craigslist ad?
     
  31. schooter

    schooter Active Member

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    lol, dude, aint gonna happen, besides you said 600 earlier. i got an offer for 1500 from a guy in kentuckey or something.. ill use 220, since i already bought it..
     
  32. schooter

    schooter Active Member

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  33. schooter

    schooter Active Member

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    Heres just some general pictures, havent been updating you cuz ive been getting frustrated..
    1. pretty much stripped down... well kinda, probably as far as ill go
    [​IMG]
    2. heres a neat way to seal up the hole i nthe motor:
    [​IMG]
    [​IMG]
    3.heres the tank after i sandblasted it, gonna sandblast it again, and do it right, bondo some minute dents and stuff.
    [​IMG]
     
  34. Zookie400

    Zookie400 Active Member

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    DELICIOUS! clearly the mice were munching on d-con, and clearly d-con does not work for CRAP!
     
  35. wizard

    wizard Active Member

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    Schoot' my young friend, in the interest of workplace safety, don't work on the bike on the kick stand, if it hasn't got a centre stand, get it up on a strong box or crate. Wiz.
     
  36. schooter

    schooter Active Member

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    naw, its got a center stand, its up on it rite now.
    i jsut figured out where the jets were, i could only see through 1 out of 8..
     
  37. Lou627

    Lou627 Member

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    if you dont clean and rebuiild those carbs yourself im coming to michigan to kick your ass! Mr red liner! serously my young friend, give it a shot, its alot simpler than you think. you owe it to us for pissing us off for the past 6 months :)
     
  38. SecaRob

    SecaRob Member

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    :lol:

    Schooter, PM me with your email address I can send you something that will help with the carbs.
     
  39. wingnut325

    wingnut325 Member

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    If these can be saved which they were with only a weeks work so can yours;

    [​IMG]

    If you don't clean then and set them up everything else you are doing will be for nothing unless you just want to sit on it in the garage and go vroom , vroom
     
  40. schooter

    schooter Active Member

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    thats why a bought a clean set :D
    btw, how have i pissed you off, ive only gotten 2 strikes towards a permanent ban from this site... non of which have been for offense towards a member, just insurance scam and ebay fraud... if you could call those 2 that, but rick was right in what he did, and now im a good boy
     
  41. Lou627

    Lou627 Member

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  42. schooter

    schooter Active Member

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    well, i got the tank painted, just not clear coated.
    [​IMG]
    [​IMG]
    Unfortunatel im grounded indefinately from working on my bike.... I didn't do my drafting homeowrk on saturday, but i got it done on Sunday...

    does the engine have to be spotless to paint it? if so, i may wait till it thaws outoutside so i can powerwash it, its kinda of dirty, like little specks, or is this engine paint some tough snot?
    BTW, stupid napa got in a order for me, but its not the nice duplicolor 1200 F stuff, its some brand 1300-2000, dupli has some gloss, but this stuff is FLAT.
     
  43. schooter

    schooter Active Member

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    oh ya, lol i tried to make a pan seat out of card board according to the dimensions given off of ebay so i could get a good image in my head of what it looks like
     
  44. schooter

    schooter Active Member

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  45. nsosh5

    nsosh5 Member

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    Don't Paint the Engine!!!!!!!!!!!!!!!!!!!!!!!!!
    Aluminum can be just as shiny as crome!!!!! It takes some work but it is well worth it. Start with 800 then go to a 1000 apply some mothers and shine it up to see how far you have left to go. Then finish up with some 2000. Finish up with mothers and it will be so shiny that if you look at it, it will blind you. It will look 1000 times better than spray paint.
     
  46. schooter

    schooter Active Member

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    wahhh i dont want to.... so much work.... no! i wont! i think ill paint it, and then grind the fins so they show chrome, that will look good
     
  47. Ace_Frehley

    Ace_Frehley Member

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    either way your going to have to sand it schooter. you need to roughup/clean the build up off the aluminum by sanding it. Otherwise the paint will not stick.
     
  48. schooter

    schooter Active Member

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  49. dwcopple

    dwcopple Active Member

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    get your sandblaster ready!
     
  50. schooter

    schooter Active Member

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    well, im going to wire wheel it.... and then near the end, ill use that red paint, throw on a honda wings symbol, and paint over it, cuz it says that paint is heat resistand, so it should hold up
     

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