My First Bike 1966 CB450-Future Cafe Racer
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My First Bike 1966 CB450-Future Cafe Racer

This is a discussion on My First Bike 1966 CB450-Future Cafe Racer within the General forums, part of the Caferacer.net Forums category; Iím new to forums and to motorcycles. Iíve always loved cafť racers and old CB450ís, so Iím making one. I got it on EBay last ...

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  1. #1
    Junior Member Brgchap's Avatar
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    My First Bike 1966 CB450-Future Cafe Racer

    Iím new to forums and to motorcycles. Iíve always loved cafť racers and old CB450ís, so Iím making one.




    I got it on EBay last month for $1475

    Since then Iíve:
    -Cleaned it up
    -Rebuilt the carburetors
    -Replaced the points
    -Rebuilt the advance mechanism
    -Adjusted the valves
    -Adjusted the timing
    -Installed new tires
    -Installed a stainless steel bolt kit
    -Rebuilt the brakes
    -Replaced front brake cable
    -Replaced all of the light bulbs
    -Repaired tachometer and speedometer

    [img]http://render2.snapfish.com/render2/is=Yup6aQQ%7C%3Dup6RKKt%3AxxrKUp7BHD7KPfrj%3DQofrj 7t%3DzrRfDUX%3AeQaQxg%3Dr%3F87KR6xqpxQQalxGJnxnl0x v8uOc5xQQQ0ePlPGllaoqpfVtB%3F*KUp7BHSHqqy7XH6gXPlP %7CRup6lQQ%7C/of=50,590,442[/img]

    This is what it looks like now

    [img]http://render2.snapfish.com/render2/is=Yup6aQQ%7C%3Dup6RKKt%3AxxrKUp7BHD7Kofrj%3DQofrj 7t%3DzrRfDUX%3AeQaQxg%3Dr%3F87KR6xqpxQQalxGJnxnl0x v8uOc5xQQQ0ePlPJlPJJqpfVtB%3F*KUp7BHSHqqy7XH6gXPoa %7CRup6lQQ%7C/of=50,590,442[/img]

    I'm still trying to decide what to do for air cleaners.

    My goal right now is to get the bike running. I plan on building it as I ride it. This winter I plan on a full rebuild, but for now I just need transportation.

    Since purchasing it, I have not been able to get it to run. The left cylinder fires fine but the right cylinder backfires through the exhaust and carburetor. It runs better with the choke closed but once the choke is opened, the RPMs ramp up and it starts backfiring.

    Diagnostics Iíve done so far:
    -Changed out the spark plugs
    -Swapped coils and leads
    -Valve lash, points, and timing
    -Carb and advance mechanism rebuild

    Iím beginning to wonder if itís a sticking valve but I donít want to pull the head until I have ruled out all other possibilities. Other clues as to what may be causing this are compression of 130psi and the plugs foul quickly. If anybody has any ideas, I would appreciate it.





  2. #2
    Senior Member ProTeal55's Avatar
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    You have yourself a sweet looking bike.
    As far as airfilters go, I just took some valve cover breathers and honed them out alittle to fit over the carbs on my CB450--->


    Keep up the good work !

    ProTeal55
    Member: Ton-Up Club Chicago
    1972 CB750 Hooligan/Street Fighter -4 SALE !
    1974 CB/CL450 Cafe/Bar/Stripclub Racer - 4 SALE !
    1955 Chevrolet Bel-Air Hardtop

  3. #3
    FR
    FR is offline
    Senior Member FR's Avatar
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    Brgchap, welcome, and that's a sweet looking Black Bomber. Have you checked the carb manifolds for cracks/air leaks? That may be causing some of your running problems. You can either pull them off to inspect them visually, or try spraying carb cleaner on them while the engine is running to see if you get a momentary increase in rpm. If they're the original manifolds, you should probably consider replacing them anyway.


    FR


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  5. #4
    Senior Member oldschoolorange's Avatar
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    Hey ProTeal55 what bike did you get your rear sets from?

    Hey someone pas me the wrench........ Ahh screw it where is the torch

  6. #5
    Senior Member ProTeal55's Avatar
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    The rearsets came offa GSXR 1000. All we had to do was make the left side linkage about 2'' longer, and make up the right side and it was done.. Under $100 invested...

    ProTeal55
    Member: Ton-Up Club Chicago
    1972 CB750 Hooligan/Street Fighter -4 SALE !
    1974 CB/CL450 Cafe/Bar/Stripclub Racer - 4 SALE !
    1955 Chevrolet Bel-Air Hardtop

  7. #6
    Senior Member oldschoolorange's Avatar
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    cool thanks

    Hey someone pas me the wrench........ Ahh screw it where is the torch

  8. #7
    Member Ron Bullard's Avatar
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    Great looking Black Bomber... I love the looks of vintage bikes w/modern rubber.

    Ron

    Ron Bullard
    [email protected]

    http://springvinmoto.com/gallery/vie...umName=pdx_ron

  9. #8
    Moderator ROSKO's Avatar
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    That Black Bomber is a beauty! Great price too, they are appreciating pretty fast so hang on to it.

    I just sold a set of k0 airboxes! Damn, that would have been perfect. I run UNI filters on my 450 and haven't had any problems whatsoever (even in the rain). Just make sure to clean and oil them regularly.

    My opinion is that the early 450's were styled to be 'out of the box' cafe racers. The styling is pretty unique, you wouldn't want to eff with it too much. The closer to stock you keep it the more it will be worth.





    BORN TO LURK, FORCED TO WORK.
    www.NYCvinMoto.com
    www.VinMoto.org

  10. #9
    Senior Member fuzzybutt's Avatar
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    sweet looking black bomber. if you cafe it, just dont do anything irreversible so if you ever sell it it'll be worth way more

    Political correctness

    A doctrine fostered by a delusional, illogical, liberal minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end.

  11. #10
    Senior Member LiLBull's Avatar
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    cool bike take the rear fender off,get another one not in good shape and cut it so its a splash gaurd for the lower part till under the seat and put a solo seat on her, save the fender and seat, for the resto guys and ride the wind.Same thing for front fender save it for the purists and put a short one on,a cut new cheapo repro or on ebay they work and your going to cut it down anyway .simple pod filters oil them lightly and ride I hate seeing bikes with no filters makes no sence at all, one tiny grain of sand dirt f the whole engine up.

    you can take of the suspect side exhaust and carb manifold and take the plugs out both sides and use the kick start to hand turn the engine as you look down at the valves.or put some mystery oil in your fuel tank to lub the valves read the can tell s you how much to put in I love the mystery oil.

    old 450 twins ROCK,top heavey little bastards but cool,ruff till you get up the power band so I like thread lock sealent so things dont become adrift with all the vibrations.

    Im so far behind ,that I think Im in first.

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