Drain Carb Bowls question - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
 
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post #1 of 5 (permalink) Old 11-28-2014, 07:06 PM Thread Starter
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Drain Carb Bowls question

Hey guys,

Never done this before. Currently tearing my 99' Yamaha VStar 650 Custom down to bobber it. As I am doing that, I wanted to take some engine parts off to clean/paint/repair. I noticed these rubber hose things (about 2" diameter) coming out of the heads and going into the bottom of the carb. They are all cracked and need to be replaced. My buddy told me before I take my carb off to make sure I drain the fuel left in the bowls. This is all french to me, but I believe I can do it with the help of you fine folks.

Thanks!
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post #2 of 5 (permalink) Old 11-29-2014, 07:05 PM
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Bien mon ami, here it is. You should have two screws, one for each bowl, at the bottom of the carbs. Unscrew them and the fuel will drain out. You can do this once the carbs are removed if you wish. The rubber hose things are the intake boots.

2009 Stratoliner S

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post #3 of 5 (permalink) Old 11-29-2014, 11:20 PM Thread Starter
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I was actually just looking at those and said "I bet that's where they drain". Thanks man. Got the throttle cables off, do the rest of the wires and hoses tomorrow. Have to replace those rubber carb joints going from the block to the carb. Bit cracked, and they are rubber. Thank you!
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post #4 of 5 (permalink) Old 01-13-2015, 06:46 AM
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I just went through all of this on my 650 just 2 months ago.
My boots were all cracked. Purchased the new ones on ebay.

If you plan on changing the exhaust to a more free flowing design
you most likely will require rejetting.

The cc&D forum has a great table that shows typical jetting requirements per what you have installed.

Also the Ziv kits are awesome.

PMS metering screw mod can be done correctly if you take your time.
Just ask me how I know.

2000 Vstar 650 Classic , Firethorn orange Metal flake Urethane, OEM tall Windshield, 47 Harley Tail light mod, progressive springs, hard bags painted to match w/chr. bullet accents Custom Modified rear rack/backrest, Cobra Modified exhaust w/ chrome Pencil tips, Hyper charger kit,
PRV 15, Riser mounted speakers, Chrome levers,Fringe grips, studded Leather bib with pocket, Billet Oil filter relocation kit , 3.5 PMS w/ stock pilots, mains- 122.5, Custom billet t signals
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post #5 of 5 (permalink) Old 03-20-2015, 09:20 AM
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Just replaced my carb to head manifold rubbers not too long ago.

Also can confirm the screws poking out of the middle on the left side (if you're sat on the bike) are the drain screws for the bowls.

If you're replacing the manifold inlet rubbers, make sure to get some silicone gasket compound like permatex blue. Just to make sure.

Also some green Loctite for the threads of the bolts that hold the rubbers in. (My old ones vibrated loose before I replaced them).

'99 XVS 650 Classic.

XVS 650 custom rear end and seats
Aftermarket flashers
Gothic style Z bars
Cobra Slash-Cut Drag Pipes wrapped in black
122.5 main jets, needle at 5th shim.
K&N pod filters placed directly onto carbs
Mixture screws at stock positions
Custom front mudguard (New one is being painted however)
Brand new ignition coils and NGK resistor caps
Yamaha YZF-R1000 right-hand calliper.

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