Clean Carb Jets without removing carbs from engine - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 7 (permalink) Old 09-26-2009, 06:20 PM Thread Starter
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Clean Carb Jets without removing carbs from engine

First I want to thank the thousands of posts, Many,Many of you have been very helpful in keeping my 92 VN750 running with 23,000 miles. However have encountered a carb problem. Bike sat since Bike Week. and the beast just stumbled at mid range 2-4k. Tried many of the seafoam tricks "GREAT STUFF"
but nothing worked. I did not want to take the carbs off the engine. Lost sleep over it ahhhha!theres a way to get to the jets, Just remove the lower cover drain plate!!!! Used a 7mm wrench and presto there are the jets. They can now be removed with a offset screwdriver or 1/4 rachet driver. I use a dental mirror {buy at flea market) to see the jets.This is the way to rejet for those of you who are De-earring and adding those new hot pipes. I blasted with spray Gumout, used Advanced spray carb cleaner {cheaper).
Note on the main jet I lifted the needle vacum assembly, placed a plastic sharpie to hold it up and sprayed away. Use the red spray nozzle in the jet holes. Note on midrange stumble problems the needle jet gets goop on it, this cleans both needle and jet!! Let the jets sit for about a hour, blow out with compressed air. Use a rubber hose fitted on the jets. Then I fired it up and took it for a hard ride, and WOW, it's a beast again!!!! This worked for me and hopefullly will work for you!
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post #2 of 7 (permalink) Old 09-27-2009, 08:11 AM
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Well done! I suppose it is possible, I've just been too afraid to try it. Nice description - thanks!

C
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post #3 of 7 (permalink) Old 09-27-2009, 12:34 PM
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I'll have to give that a try!

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post #4 of 7 (permalink) Old 04-08-2015, 02:35 PM
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Pics? I've got my cover plates off but I don't see any sort of "assembly" that I can lift or move to clean under. I've got a midrange stumble like you said but it looks pretty clean in there to me.
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post #5 of 7 (permalink) Old 04-09-2015, 12:18 AM
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yup did that trick once when after a rebuild one of the gaskets started to leak right before a ride, popped them off and a little rvt super black and she was good to go. still is lol.

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post #6 of 7 (permalink) Old 04-09-2015, 06:10 PM
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Quote:
Originally Posted by bluguitar89 View Post
Pics? I've got my cover plates off but I don't see any sort of "assembly" that I can lift or move to clean under. I've got a midrange stumble like you said but it looks pretty clean in there to me.
I understand your situation but you are responding to a thread from 2009. I do not know if those members are still active at this time. If my memory serves me right I believe CRobins was said to be pretty good with the rebuild projects and also had a vast collection of spare parts. Good luck and let us know how you make out.

and always remember, "Ride until you rot!"
**Really not sure if the Big "C" is back right now
but having to face the fact that this is a lifetime routine
going forward. Five operations done and it still continues.

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post #7 of 7 (permalink) Old 04-09-2015, 07:20 PM
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Question

Quote:
Originally Posted by bluguitar89 View Post
Pics? I've got my cover plates off but I don't see any sort of "assembly" that I can lift or move to clean under. I've got a midrange stumble like you said but it looks pretty clean in there to me.
Sounds like you might have the covers off the coasting enrichers. Round cover on the side of the carb?

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