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Author Topic: Where do these pipes go  (Read 2853 times)

Offline royhall

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Where do these pipes go
« on: September 26, 2015, 02:19:48 PM »
Could somebody give me a pointer as to where the three pipes go in the picture.

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I assume the single larger pipe is the fuel feed in which case why has the fuel tap got 2 outlets. What are the two small pipes doing, breathers perhaps?
Cheers.
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Offline Bullit

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Re: Where do these pipes go
« Reply #1 on: September 26, 2015, 02:48:43 PM »
Are they attached to the bottom of the carbs? If so they are the overflows and need to point downwards
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Offline Trigger

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Re: Where do these pipes go
« Reply #2 on: September 26, 2015, 03:20:26 PM »
The large pipe is your fuel and there should be two small pipes that are vent tubes, that just vent ;)
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Offline Chris400F

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Re: Where do these pipes go
« Reply #3 on: September 26, 2015, 03:23:52 PM »
Both the tap on my bike and on a spare tank I have only have a single outlet, not sure why yours has two.

Smaller pipes appear to be breathers and are routed over the airbox and down behind the engine, exiting where the overflow/drain tubes go.

I sold a set of carbs on eBay recently, don't know if this picture helps.
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Offline royhall

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Re: Where do these pipes go
« Reply #4 on: September 26, 2015, 03:30:41 PM »
Thanks guys.So the vents go over the right of the air filter box and down below swing arm height with the 4 bowl drains? Looks like I will have to blank off one of the feeds from the tap. Didn't get chance to see this as it was all apart when I got the bike. Thanks.

Just had a good look at the fuel tap and it is one of these http://www.ebay.com/itm/K-L-Fuel-Valve-Petcock-16950-300-020-Honda-CB500K-CB550K-CB750K-18-4129-/191693311006?fits=Model%3ACB350F&hash=item2ca1cfcc1e&vxp=mtr  . As its nearly new I will keep it. It says on the site to get a splitter to join them together, so I shall do that (or just blank one).
« Last Edit: September 26, 2015, 03:59:37 PM by royhall »
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Current bikes:
TriBsa CCM 350 Twin
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Triumph Trident 660 in Black/White
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Suzuki GS1000HC
Honda CB450K0 Black Bomber
Honda CB750K5 in Planet Blue Metallic (Current Project)

Offline Trigger

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Re: Where do these pipes go
« Reply #5 on: September 27, 2015, 09:31:44 AM »
looks like you may have a 400 set of carbs and a 350 fuel tap.
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Offline royhall

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Re: Where do these pipes go
« Reply #6 on: September 27, 2015, 09:54:33 AM »
Is there a difference Trig, I thought it was just the jetting. The original picture is a spare set of 350F and they are identical. Am 99% sure there the same but there's always that 1% of doubt.
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Current bikes:
TriBsa CCM 350 Twin
Honda CB350F in Candy Bacchus Olive
Honda CB750F2 in Candy Apple Red
Triumph Trident 660 in Black/White
Triumph T100C
Suzuki GS1000HC
Honda CB450K0 Black Bomber
Honda CB750K5 in Planet Blue Metallic (Current Project)

Offline Trigger

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Re: Where do these pipes go
« Reply #7 on: September 27, 2015, 10:46:51 AM »
Quote from: royhall on September 27, 2015, 09:54:33 AM
Is there a difference Trig, I thought it was just the jetting. The original picture is a spare set of 350F and they are identical. Am 99% sure there the same but there's always that 1% of doubt.

What is the Carb number ?

just had a good look and you are right, you have a fuel tap off a CB500/CB750K. So its just the wrong tap for a CB350 ;)
« Last Edit: September 27, 2015, 10:55:12 AM by Trigger »
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Offline royhall

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Re: Where do these pipes go
« Reply #8 on: September 27, 2015, 11:05:24 AM »
Yes it's definitely a 500 tap, but its nearly new and fits okay so I will order a splitter for it. Cheers.
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Honda CB350F in Candy Bacchus Olive
Honda CB750F2 in Candy Apple Red
Triumph Trident 660 in Black/White
Triumph T100C
Suzuki GS1000HC
Honda CB450K0 Black Bomber
Honda CB750K5 in Planet Blue Metallic (Current Project)

Offline Tiny Tim

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Re: Where do these pipes go
« Reply #9 on: September 27, 2015, 12:44:13 PM »
350 fuel taps are hard to come by.
I did find a new one in Italy and yes it was pricey.
The tap on my 400 has one outlet, would that fit?
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Offline royhall

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Re: Where do these pipes go
« Reply #10 on: September 27, 2015, 01:43:31 PM »
No, the 400/4 is a screw fitting tap. This ones nearly new so it's fine with a 2 into 1 splitter.
« Last Edit: September 27, 2015, 01:45:28 PM by royhall »
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Current bikes:
TriBsa CCM 350 Twin
Honda CB350F in Candy Bacchus Olive
Honda CB750F2 in Candy Apple Red
Triumph Trident 660 in Black/White
Triumph T100C
Suzuki GS1000HC
Honda CB450K0 Black Bomber
Honda CB750K5 in Planet Blue Metallic (Current Project)

Offline Tiny Tim

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Re: Where do these pipes go
« Reply #11 on: September 27, 2015, 02:01:41 PM »
Ah, didn't look at that bit.
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