73' cb450
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Thread: 73' cb450

  1. #1
    Senior Member krinkelfish's Avatar
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    73' cb450

    Took a little spin to get some sushi yesterday, got a little chilly on the way back!
    73' cb450-f0dd65c7-81dc-48d5-8bdd-39d802e4703a_zpsuaqinidx.jpg
    73' cb450-a31b43ea-fe97-4b0a-ac0f-620625ed72ea_zpsxbiwxc1e.jpg
    73' cb450-1ec57274-c022-40f2-81f6-6cf5e728e265_zpshyfcfusq.jpg

  2. #2
    Senior Member 76TWIN's Avatar
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    nice bike
    '76 CB500T Frankenbike

    Carpe narem.

  3. #3
    Supporting Member jd50i's Avatar
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    Beautiful bike.
    Jim

    1973 CB 450 K6
    1975 CB 500T
    1985 CB650SC Nighthawk
    1985 VF 1100S Sabre
    2008 K1200LT
    2012 Buddy 125 (wifes)

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  5. #4
    Junior Member Diego's Avatar
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    Such a nice model! Congratulations.

    Cheers,

  6. #5
    Junior Member whrdapp's Avatar
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    Nice bike

  7. #6
    Senior Member krinkelfish's Avatar
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    Haven't posted in a while... Last night I was doing about 70 on the highway and suddenly started losing power.
    limped to the shoulder and motor died, I got it running enough (full throttle, first gear barely moving) to get off the exit ramp. Lots of white smoke and backfiring, I'm hoping its a carb or spark plug issue and not rings or head gasket??

  8. #7
    Senior Member JamesPal's Avatar
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    Bummer, what a nice bike. White smoke might be oil. First, check the oil level, then do a compression check.
    Jim Palmer
    '85 GL1200I (Garage Find)
    '81 GL1100 STD (Project)
    CB450 K5 Done
    http://www.hondatwins.net/forums/1-p...s-cb450k5.html
    "If everything seems under control you are not going fast enough" Mario Andretti...

  9. #8
    Senior Member krinkelfish's Avatar
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    Uhm, had a sec to look at it last night, I checked the oil and there isn't even a drop of oil on the dipstick?!
    what the heck? It was full 3 months ago, and there are no leaks or puddles of oil on my garage floor, how could I have burned through 4 qts (or whatever it takes can't remember if the top of my head)

  10. #9
    Senior Member tbpmusic's Avatar
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    That happens on 450's sometimes - you didn't burn the oil, it blew out the breather.
    It happened to me once - prolonged high speed riding just blew all the oil out the breather, toasted the crank and top end.
    Hate to say it but your engine probably suffered substantial damage.

    As an aside, checking the oil should be a part of a pre-flight inspection you do every time you start the engine..........
    Last edited by tbpmusic; 09-21-2016 at 09:42 AM.
    Bill Lane
    No advice, just info

    '75 CB200T, '71 CB450 K4 Half-Breed, '72 CL350 (Sold), '81 CM200T, '72 C70M

    http://www.bikeexif.com/honda-cb450-restoration

  11. #10
    Senior Member krinkelfish's Avatar
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    Hey, you said "sometimes" it happens? What the heck did I do wrong to make all the oil blow out the breather tube?

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