My Carb Rebuild.....The Good, The Bad.....and the ugly. - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 16 (permalink) Old 03-26-2012, 09:23 PM Thread Starter
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Talking My Carb Rebuild.....The Good, The Bad.....and the ugly.

Well after much reading and watching. I pulled the carbs. I have seafoamed and fiddled with these carbs for 3 weeks now. They were somewhat of a pain to pull, but man it feels good to get them off. Im sure I will say lots of bad words trying to get them back in.

Watched both carb vids, what a help.

First what do I soak them in to clean them? I can get loads of carb cleaner but I don't really know if that will clean it fully.

Going to replace as many of the screws and bolts as I can. Man the OEM ones are soft. Dont really know if this has ever been apart, cant really tell. The floats were both stuck completely. Can I soak the floats to clean them up? Im sure I need something that is safe for the rubber.


I have lots of pictures, feel free to use them for whatever you need. I have more but it would only let me upload 5.

This was a great learning experience. I'm the type of person that learns by watching and doing. I really felt that I needed to do this rather than dump money to a mechanic.

Lastly, please winterize your bikes....... I'm sure will be doing everything I can to make this baby last. This seems to be more than just 1 winter worth of crap.
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2003 VN750

Deka MF Battery
Cleaned and Rebuilt Carbs Multiple Times
NGK Iridium Plugs
New Plug Wires
New Petcock w/screens
Fuel Tank Rust Removal - The Works Method
ACCT to MCCT Conversion
Brake Fluid Flush - Nice and Firm now


The List

Spline Lube
Fork Seals/Dust Caps
New Front Tire
HID Headlight Kit
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post #2 of 16 (permalink) Old 03-26-2012, 09:29 PM
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When I clean mine I just soak them in a gallon bucket of Carb Cleaner.. My was Gunk brand and it had a screen for me to lower the parts into the bucket.. Came out great.. In Maryland a bucket of the stuff is around 25 bux.. but well worth it to me..

I also replaced all of my screws just like roach did in the video.. Gave it a nice clean look and made it easier to get off in the future.

Goodluck with the install!

Accomplishments;

Changed Final Drive Fluid
Iridium Plugs

NGK Spark Plug Wires
Bridgestone Spitfire Tires
Maintenance Free Battery
Lubed the Spline
Shaved and Coastered
Under Tank Air Filter
Re-Jetted
Vn900 Seat Mod w/ Honda 1100 Backrest
Rebuilt Petcock
Custom Mirrors
Custom SaddleBags
LED Taillight
Heads Up Voltage Monitor

Upcoming: Change front fork Seals & Oil, install highway pegs & floorboards
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post #3 of 16 (permalink) Old 03-26-2012, 10:26 PM
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Eeeeeeeewwwwwwwwww.

I always used Gumout in the pour can and mason jars. I have a friend that bought an Ultrasonic cleaner....but

some stuff just needs to be physically scrubbed.

We used the the proper sized drill bits to clean jets and simply replaced whatever looked bad at the shop. Given the age of the Vulcan now it will likely be harder to find parts for it as time goes on..... So just be gentle with your parts.

KM

If You Are Not Sure If I Am Joking or Not....I AM !!Photos:
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post #4 of 16 (permalink) Old 03-26-2012, 10:40 PM Thread Starter
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http://www.amazon.com/Supply-2002-20.../dp/B000WP9XVK

Will these work....seems too good to be true?



2003 VN750

Deka MF Battery
Cleaned and Rebuilt Carbs Multiple Times
NGK Iridium Plugs
New Plug Wires
New Petcock w/screens
Fuel Tank Rust Removal - The Works Method
ACCT to MCCT Conversion
Brake Fluid Flush - Nice and Firm now


The List

Spline Lube
Fork Seals/Dust Caps
New Front Tire
HID Headlight Kit
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post #5 of 16 (permalink) Old 03-26-2012, 10:45 PM Thread Starter
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http://offer.ebay.com/ws/eBayISAPI.d...C%2FbidInfo%3E


Another option but pricey. 1 of them is toast....the other one seems ok. Not reall sure how soft it should be? Any suggestions.



2003 VN750

Deka MF Battery
Cleaned and Rebuilt Carbs Multiple Times
NGK Iridium Plugs
New Plug Wires
New Petcock w/screens
Fuel Tank Rust Removal - The Works Method
ACCT to MCCT Conversion
Brake Fluid Flush - Nice and Firm now


The List

Spline Lube
Fork Seals/Dust Caps
New Front Tire
HID Headlight Kit
Quicksilver3602 is offline  
post #6 of 16 (permalink) Old 03-26-2012, 10:49 PM Thread Starter
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http://www.cheapcycleparts.com/model...semblies/73724

Dear lord gaskets are $$$$.



2003 VN750

Deka MF Battery
Cleaned and Rebuilt Carbs Multiple Times
NGK Iridium Plugs
New Plug Wires
New Petcock w/screens
Fuel Tank Rust Removal - The Works Method
ACCT to MCCT Conversion
Brake Fluid Flush - Nice and Firm now


The List

Spline Lube
Fork Seals/Dust Caps
New Front Tire
HID Headlight Kit
Quicksilver3602 is offline  
post #7 of 16 (permalink) Old 03-27-2012, 08:55 AM
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Nasty looking carbs. You really can't get the carbs totally clean unless you have a good air compressor and a air spray nozzel ( actually an inflator nozzel ) and blow out every small orifice, jet seat, jets, and the needle seat. You can only dissolve so much crud, the left over, and hidden, has to be blown out.

JM2001

" Loud Pipes Risk Rights "

2001 Vulcan 750
marbled
TOC upgrade on ACCT
Air/fuel mixture set to 2 1/2 out
rectifier relocated
splines lubed
iridiums
decals removed
upgraded mirrors
Pic up coil mod done
degoated
All LED lighting
Upgraded Mosfet rectifier
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post #8 of 16 (permalink) Old 03-27-2012, 11:57 AM
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Quote:
Originally Posted by JM2001 View Post
Nasty looking carbs. You really can't get the carbs totally clean unless you have a good air compressor and a air spray nozzel ( actually an inflator nozzel ) and blow out every small orifice, jet seat, jets, and the needle seat. You can only dissolve so much crud, the left over, and hidden, has to be blown out.
I agree, compressed air is your friend. I used carb cleaner, a toothbrush, small wires and an air hose to clean mine.

Replace any cracked or worn-out rubber stuff. Normally it can mostly be re-used.

Take it easy on the plastics and rubber with the carb cleaner. I try and use the carb cleaner on metals only.

Street
1985 VN750 Acquired Feb, 2011 - 13,676km
Mods - Ear Shave, Pickup Coil Gap, Drilled Clutch Basket, Shift Tie Rod, Mosfet R/R, MF Battery, De-Goated (H-Pipe), MCCT, Heated Grips, Plexistar 2 Windshield

Dirt
2004 KTM SX 125 - 1979 Can-Am Qualifier 250 - 1971 Kawasaki F6

Video Tutorials - Engine Rebuild - Fork Seal Replacement - Grease Swing Arm Bearings - Carb Rebuild - Spline Lube - Refilling Rear Shocks - Grease Steering Bearings
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post #9 of 16 (permalink) Old 03-27-2012, 12:12 PM Thread Starter
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Any opinions on the Supply Air Cut Off Valves? Links above.



2003 VN750

Deka MF Battery
Cleaned and Rebuilt Carbs Multiple Times
NGK Iridium Plugs
New Plug Wires
New Petcock w/screens
Fuel Tank Rust Removal - The Works Method
ACCT to MCCT Conversion
Brake Fluid Flush - Nice and Firm now


The List

Spline Lube
Fork Seals/Dust Caps
New Front Tire
HID Headlight Kit
Quicksilver3602 is offline  
post #10 of 16 (permalink) Old 03-27-2012, 02:06 PM
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If they are that bad, you may be out of luck. I have always used a few cans of spray carb cleaner like Gumout, a tiny stiff bristled brush that carb cleaner won't melt, and a small E string from a guitar. Don't need compressed air, that is in the spray cans of carb cleaner.

If it is just gunked up from leaving gas in it, it can be cleaned. If it is badly corroded from water being in there, look for some more carbs.

I am a motorcyclist, NOT a biker.


1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike
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