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Turbos, Hondas, 4-bangers, what could go wrong?
 Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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So, just ordered my spark plug wire stuff. Apparently the first time I put the stuff together, I forgot that I needed 2 sets of caps - 2 in each set.
vintagecb750 was the only site with any in stock, and they only have 1 set. Thankfully, a local shop I called yesterday before said that they can easily get 'em. They quoted me $80 for just parts, and I'm getting 'em for $52 shipped. He did offer to help throw 'em together if I have any issues. I will probably have to buy the other set from them.
FYI, updates to this will be much slower in the next few weeks. In 2 weeks, I am moving to Ann Arbor (Northville, actually) since I've accepted the job at the University of Michigan. I will not be bringing my tools, as I will be leaving the Integra here for now. So I have to get what I can done now, and then go from there.
Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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Well,it sucks that you have to be scattered out for a while,but I'm glad the job interview worked out for you  Congratulations!
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Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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Quick question. What sized sprockets should I get? I want something that will comfortably do 80 mph on the highway at a decent RPM, yet won't take 20 minutes to get up to speed.
I'm going to be gone from where I am 2 weeks from tonight, and would like to have the bike up-and-running before then. I realize I won't have the carbs rebuilt or the motor done, but I want to be able to at LEAST ride it.
Any suggestion? I want to order everything by Tuesday.
Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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Administrator
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Cda,where you were wondering if you had a smaller motor,i dont know if the DOHC's do,but on the SOHC's it has "736cc" embossed on the case. Maybe yours does too?
Wish I could help you with the gearing. Have you been able to find what stock gearing should be for a DOHC?
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So is there any decent way to find out, based on my current ratio of 2.61111, what I would need to go a particular RPM?
I would need to do some riding again to find out precisely what my at-this-rpm-my-exact-speed-is measurements. Something I can easily do...
That way I can find out precisely, 100%, what I need for my desired speeds and such.
Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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Administrator
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I know on the SOHC's they came with 18-46 and 18-48 The 18-48 (mine) were for the F models for more pep. I'm 99% sure on those numbers
The 736cc was on the jugs somewhere.
Going to a smaller front sprocket causes the chain to wrap real tight and is not recommended. 18 is the norm and 17 gets used,but I have been told to shy away from the 16
Did you happen to download the FSM for your bike? I should have it in there
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Ha, hadn't even thought of that!
From the first couple pages (The general information):
 The 1981 CB750K Addendum:
 I'd like to do 5k rpm @ 75 or so. What ratio do I need, if I'm doing 6k @ 60 rpm or so?
Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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Administrator
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Well,on my bike with a 120/90-18 rear tire I do 70ish at 5k with that 18-48 on the chart there.
But,if a 18-48 gives you a final drive of 2.555... that is deeper than the 2.1111....you already have  I really dont know what to think about all this. I know you know what you are talking about,but according to the ratios,your bike should not be cruising so high.Im confused. 
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That's why I think I've got a smaller engine, or thought initially about the HP being so low causing my lower top-end speeds.
And my final drive is 2.61111. So I have a taller gearing than you, and should be even faster at the top end!
I'm so freaking puzzled. On Mon, Apr 30, 2012 at 3:28 AM, shinyribs [via Honda CB750'S] <[hidden email]> wrote:
Well,on my bike with a 120/90-18 rear tire I do 70ish at 5k with that 18-48 on the chart there.
But,if a 18-48 gives you a final drive of 2.555... that is deeper than the 2.1111....you already have![]()
I really dont know what to think about all this. I know you know what you are talking about,but according to the ratios,your bike should not be cruising so high.Im confused.![]()
Montvale,Virginia
Piute said it best: "wheres my 10mm?"
Hellbilly-"that is a great way to tell if you have come to your senses, when you start drilling random holes in things... "
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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I may have had an epiphany.
Could someone measure the width of their sprockets?
I wonder if my sprockets are the wrong size. The correct tooth, but wrong size across.
That's GOT to be the only way that it's going so slow.
I'd like to order chain and gears tonight, so I can hopefully get 'em within the next week or so. I'm moving not this weekend, but next weekend, and am planning to ride the bike out there. Since it's 2.5, 3 hours at highway speeds, I'd rather just have the bike operational.
But this gearing needs to be figured out before I do anything else. It's got to be either gearing, or something is slipping. Which would HAVE to be clutch.
Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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I'm going to go outside and start working on the Integra's motor. Goal is to get the head off it by tonight, so once I've got enough to get it done I can just ship it out. Shouldn't take more'n a couple months to afford it.
Meanwhile, I'm considering removing my carbs, giving 'em a good cleaning, and putting 'em back on. But not sure as to what I'm doing. I know there's the sticky with youtube videos, but those aren't the CB carbs.
I'm going to have to figure out something. And quick.
Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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Administrator
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If your sprockets are the wrong size for your chain it would cause the funky wear your has,but it wouldn't affect the gear ratio. Diameter is diameter,regardless of the width. Just my two cents.
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Administrator
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If your sprockets are the wrong size for your chain it would cause the funky wear your has,but it wouldn't affect the gear ratio. Diameter is diameter,regardless of the width. Just my two cents.
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Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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I'm going to order a chain and sprockets tonight based on a gear calculator. I'm also going to rebuild my carbs.
Does this guide look correct for things? I'd rather not spend the $40 for the Randakk guide if this is basically it...
http://www.cb750c.com/publicdocs/SeanG/Honda_Carb_Manual_revD.pdfI'm going to rebuild my carbs, do the chain/sprockets, replace the spark plug wires when everything comes in this week, and then hope for the best. After I get all these done, I expect that I can do what I want to do. Except that the motor will still be tired. Ish.
Any tips on how to clean the petcock so I can verify there's no blockage there as well?
Off to pull the head now. I have been lazy until now... :D
Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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BTW, tomorrow is the first day of the MSF. I'm on a newly-created wait list, and I'm first on the list. As long as ONE GUY does not show up... I'm in.
Turbos, Hondas, 4-bangers, what could go wrong?
Shiny: [...] Considering the weather you've had to put up with I'd say you get an Iron Butt award and a Frozen Nipple trophy to go along with it. First time I've ever posted the word nipple... it ends here.
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