Montreal Manchild with an '81 Honda CB750K
- Thread starter Jimbonaut
- Start date
Gassed and oiled the old girl up today and fired her up for the first time - man she literally leapt into life. Totally wasn't expecting that, thought there might be a bit of a cough and a splutter to clear the ol' pipes but no - she came out fighting. Thing is, the engine is revving pretty high (like the choke is pulled, but it wasn't - or the throttle was open but it wasn't either).
No doubt it could be one of a number of things, but might the vacuum sync bring those revs down? Not sure where to start, but I'm all ears.
Man it's good to hear Rhonda in full voice. She's a throaty little beast to be sure
No doubt it could be one of a number of things, but might the vacuum sync bring those revs down? Not sure where to start, but I'm all ears.
Man it's good to hear Rhonda in full voice. She's a throaty little beast to be sure
I'd put money on the other carbs being good but then again I bet my buddy last night a lifetime supply of cheeseburgers he couldn't reconnect the choke cable with the carbs in place and he did.
Pull the carbs, get a better fit in the insulators and try again?
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Pull the carbs, get a better fit in the insulators and try again?
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I'd sync it first with some good gauges. Until you do that you're just looking for problems where there may not be any. Proper sync on my 360 (different animal but same concept) brought my idle down from 1900 to 1200 just like that. It was idling at 1900 even after a good bench sync and I looked all around for vacuum leaks etc.
And like hillsy said make sure the throttle stop is just about all the way backed off. I like to back it out until the throttle linkage stops moving, then turn it in till it contacts and then go about a half turn from there depending on the bike.
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And like hillsy said make sure the throttle stop is just about all the way backed off. I like to back it out until the throttle linkage stops moving, then turn it in till it contacts and then go about a half turn from there depending on the bike.
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Dude! It was totally a vacuum leak - pulled the carbs, heated up the boots and reseated them. Fired up like a champ and Rhonda sounds like a banshee.
Thanks a million one and all - not much of this would have happened without the help I've got here
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Thanks a million one and all - not much of this would have happened without the help I've got here
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CarbsAndCylinders
Careful With That Axe Eugene
That's great! You should still sync your carbs though.
Damn you're right. I should go to barber this fall, do u all go there and take your rides? We have a show in England called the Goodwood Revival which is a weekend of '40's to '60's race cars and bikes, my old man dusts off his old fedora and goes every year. Barber sounds like a great laugh - I'm in. So's the wife and Rhonda though they don't know it yet, leave them to me.
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Didn't work for me. Best way to post a vid is to upload to YouTube, then paste the link in the box with one character (like a period . ) before the address.
