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Author Topic: Advice please re carb synchronization  (Read 1007 times)
cantom
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Posts: 34


Ontario


« on: August 15, 2013, 12:58:16 PM »

I've read a number of writeups on how to do this. I bought a Morgan Carbtune and have it to hand.

Now, looking at the carb banks with the covers off....I see a fitting on each carb, just under the little enrichener/choke valve right near the outside. On each one, there is a curved fitting that curves inwards towards the center of the bike. A hose runs from there to a little block on the side of the carb. So, like a 2-3 inch hose. None of my carbs has a cap on this fitting, each of them has this little hose. There are no clamps on any of the hoses on either side.

A few of the fittings are tightly surrounded and look awkward as hell to get the hose on and off. Literally you'd be lucky to get a finger in there.

Once I get the hoses on the fittings I know what to do.
But any advice from those who have done this job would be much appreciated.
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N8171S
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Posts: 184

Marlboro, Mass


« Reply #1 on: August 15, 2013, 01:10:04 PM »

Purchase a long needle nose pliers with a 45 degree bend at the tip.  Works great.
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cantom
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Posts: 34


Ontario


« Reply #2 on: August 15, 2013, 01:13:03 PM »

At this point, I'm not sure if I am even looking at the right fittings. There are lots of words written about synching the carbs, but few if any clear pics showing exactly where the synch hoses attach? Does anyone have any pics?
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98valk
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Posts: 13520


South Jersey


« Reply #3 on: August 15, 2013, 01:18:44 PM »

sounds like your talking about the carb bowl drain hoses. for sync the connection will the hose fitting at the base of the intake manifold. if u desmogged only the one hose for petcock vacuum unless using pingle then all should have hose caps.
get a copy of the honda service manual.

free download here
http://www.valkyrienorway.com/
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1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp

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Patrick
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Posts: 15433


VRCC 4474

Largo Florida


« Reply #4 on: August 15, 2013, 01:42:41 PM »

Maybe this the reason some folks have had trouble with this task, never thought about that.
The tubes/fittings you're looking at appear to me to be the wrong ones. This is pretty easy, the ones you want to use are the little nipples on the back side of each intake runner which is/are pretty close to the cylinder head. There should be caps on #'s 1,5,2. Hoses should be on #'s 3,4,6. That is, if this monster has not been desmogged, if it has then there will only be a hose on #6 if the factory petcock has been used.
#3 is the base to which all others are adjusted to.
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cantom
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Posts: 34


Ontario


« Reply #5 on: August 15, 2013, 01:54:24 PM »

Actually, that helps a lot...I was looking at the wrong fittings it seems. Thanks much to both of you that have pointed this out! Tonight I'll see if the base of manifold nipples are a bit easier to get at...and I have already bought 2 sizes of long reach 45degree tip pliers.

As I say though, I have yet to see an actual picture of the fittings that are used, on any tech article I've happened on.
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Tx Bohemian
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Posts: 2274

Victoria, Tx


« Reply #6 on: August 15, 2013, 01:54:55 PM »

Purchase a long needle nose pliers with a 45 degree bend at the tip.  Works great.

Or get some hemostat clamps.  A bit thinner than needlenose, are locking, and have grips on the clamping end.
They come straight and with about a 30o angle at Harbor Freight for about $5.

They come in really handy for clamping stuff too, like vacuum hoses (or blood vessels too, I suppose).
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Al
cantom
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Posts: 34


Ontario


« Reply #7 on: August 15, 2013, 02:52:13 PM »

I popped in at home, and found those fittings...one hell of a lot easier to access than those other buggers I was mistakenly eyeing!

I pulled the cap off number 5 with my new 45" pliers...piece of cake.  laugh

Hope to do the synch tonight.
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The emperor has no clothes
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Posts: 29945


« Reply #8 on: August 15, 2013, 04:03:39 PM »

Purchase a long needle nose pliers with a 45 degree bend at the tip.  Works great.

Or get some hemostat clamps.  A bit thinner than needlenose, are locking, and have grips on the clamping end.
They come straight and with about a 30o angle at Harbor Freight for about $5.

They come in really handy for clamping stuff too, like vacuum hoses (or blood vessels too, I suppose).
They used to be pretty handy for a doobie as I remember angel
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cantom
Member
*****
Posts: 34


Ontario


« Reply #9 on: August 15, 2013, 05:30:00 PM »

Carbs are now synced...they were a bit off, nothing too terrible but it did need to be done. It was easy and almost fun with the Morgan CarbTune.

The long 45 degree pliers are truly the cat's a** for this job.

Thanks for the advice!
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Hoser
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Posts: 5844


child of the sixties VRCC 17899

Auburn, Kansas


« Reply #10 on: August 16, 2013, 12:03:31 PM »

Purchase a long needle nose pliers with a 45 degree bend at the tip.  Works great.

Or get some hemostat clamps.  A bit thinner than needlenose, are locking, and have grips on the clamping end.
They come straight and with about a 30o angle at Harbor Freight for about $5.

They come in really handy for clamping stuff too, like vacuum hoses (or blood vessels too, I suppose).
They used to be pretty handy for a doobie as I remember angel
Oh yeah! only way to handle a roach.   cooldude  Hoser  Cheesy
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Patrick
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Posts: 15433


VRCC 4474

Largo Florida


« Reply #11 on: August 16, 2013, 12:23:16 PM »

Purchase a long needle nose pliers with a 45 degree bend at the tip.  Works great.

Or get some hemostat clamps.  A bit thinner than needlenose, are locking, and have grips on the clamping end.
They come straight and with about a 30o angle at Harbor Freight for about $5.

They come in really handy for clamping stuff too, like vacuum hoses (or blood vessels too, I suppose).
They used to be pretty handy for a doobie as I remember angel
Oh yeah! only way to handle a roach.   cooldude  Hoser  Cheesy


I just step on a roach when I can catch up to it.
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Farther
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Posts: 1680


Quimper Peninsula, WA


« Reply #12 on: August 16, 2013, 05:15:10 PM »

Purchase a long needle nose pliers with a 45 degree bend at the tip.  Works great.

Or get some hemostat clamps.  A bit thinner than needlenose, are locking, and have grips on the clamping end.
They come straight and with about a 30o angle at Harbor Freight for about $5.

They come in really handy for clamping stuff too, like vacuum hoses (or blood vessels too, I suppose).
They used to be pretty handy for a doobie as I remember angel
Oh yeah! only way to handle a roach.   cooldude  Hoser  Cheesy
I just step on a roach when I can catch up to it.
Pretty tought to catch up to a roach after doing one.  Wink
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Thanks,
~Farther
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