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Author Topic: 1974 CB360 Engine Troubles (I think)  (Read 8333 times)

Offline trek97

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Re: 1974 CB360 Engine Troubles (I think)
« Reply #230 on: Oct 03, 2017, 22:34:04 »
Sounds as if it may be running on one cylinder until it gets warmed up. 
Did you sync the carbs?
Also, Read in the manual about setting Air/Fuel mixture.
The bike MUST be fully warmed up to operating temp and parked on center stand to do this properly.

Offline rsjudka

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Re: 1974 CB360 Engine Troubles (I think)
« Reply #231 on: Oct 04, 2017, 02:23:35 »
Sounds as if it may be running on one cylinder until it gets warmed up. 
Did you sync the carbs?
Also, Read in the manual about setting Air/Fuel mixture.
The bike MUST be fully warmed up to operating temp and parked on center stand to do this properly.

Ah I don't remember if I synced the carbs after I replaced the diaphragm!

But I have set the A/F screws multiple times (trying to get rid of backfiring and black deposits in exhaust pipes) but I could have been doing it wrong lol

To set the A/F screws I'm just looking for the point of highest rpms on each carb right?

Offline trek97

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Re: 1974 CB360 Engine Troubles (I think)
« Reply #232 on: Oct 04, 2017, 08:51:03 »
Ah I don't remember if I synced the carbs after I replaced the diaphragm!

But I have set the A/F screws multiple times (trying to get rid of backfiring and black deposits in exhaust pipes) but I could have been doing it wrong lol

To set the A/F screws I'm just looking for the point of highest rpms on each carb right?

If the carbs were synced before diaphragm they will still be good.  As long as the lock nut and adj screw hasnt moved.

Yep, highest rpm.  The bike MUST be at operating temp for this.  You should be able to get them real close as its easiest to hear the rpm changes w your dual exhaust.

For me its easier to hear to hear rpm change.  As the stock tach really isnt accurate enough to show the small changes.

Besides the fact Im cheating using the digital Oxygen sensor.   ;)

Next time you fire it up and feel its accelerating slowly.  Touch the exhaust headers and see if one is cooler than the other.
« Last Edit: Oct 04, 2017, 09:11:55 by trek97 »

Offline crazypj

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Re: 1974 CB360 Engine Troubles (I think)
« Reply #233 on: Oct 11, 2017, 14:58:09 »
Just one thing you need now...



LOL,  8)
'you can take my word for it or argue until you find out I'm right'
I gave my girlfriend an orgasm the other night, but, she spat it back at me
 Some humans would do anything to see if it was possible to do it. If you put a large switch in some cave somewhere, with a sign on it saying 'End-of-the-World Switch. PLEASE DO NOT TOUCH', the paint wouldn't even have time to dry
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CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0