Katana of the Month - October 2007  SEQX34
 

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Mechanics 101 Can't get it to run right? Find a trick to add HP?
From the first oil change to completely rebuilding the engine,
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Old 03-20-2012, 02:20 PM   #1
thearbear1990
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just had a couple of questions for you guys on here. 1. I cant seem to find the a/f screws to ajust them. 2. well should I ajust the a/f screws before I do a carb sync?? Thanks guys
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Old 03-20-2012, 02:24 PM   #2
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A/f screws will have a plug over them if they have never been messed with. Located on bottomthe of carbs. Set at 2.5 turns out.
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Old 03-20-2012, 02:25 PM   #3
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A dealer of rebuilt Katana carbs.
Partly Chris's Motorcycles
A rebuilt set of carburetors will cost more than $5 dollars
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Old 03-20-2012, 02:28 PM   #4
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thanks guys I would be lost with out you guys, the book isent much help yet. I dont know why I have one as of right now lol.
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Old 03-20-2012, 04:08 PM   #5
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2. yes, set AF first, sync after
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Old 03-21-2012, 12:32 PM   #6
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Quote:
Originally Posted by dany_cya View Post
2. yes, set AF first, sync after
Really?
That's never how I've done (not that I've been doing it right),
By why not synch first?

The pilot screw setting shouldn't affect vacuum but how the carbs are synched will affect your ability to set the pilot screws right???
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Old 03-21-2012, 02:11 PM   #7
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Quote:
Originally Posted by ejether View Post
Really?
That's never how I've done (not that I've been doing it right),
By why not synch first?

The pilot screw setting shouldn't affect vacuum but how the carbs are synched will affect your ability to set the pilot screws right???
Okay, lets think about this. You get the carburetors all back on, installed and squared away. You sync them. Then you pull them back off, adjust the A/F screws and throw them back on. By syncing them and than taking them back off, you just destroyed everything you did by syncing them.
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Old 03-21-2012, 03:12 PM   #8
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Quote:
Originally Posted by arsenic View Post
Okay, lets think about this. You get the carburetors all back on, installed and squared away. You sync them. Then you pull them back off, adjust the A/F screws and throw them back on. By syncing them and than taking them back off, you just destroyed everything you did by syncing them.
I see!
There's the difference. I set my A/F screws while the carbs are on the bike.
That being the case, no reason to resynch.

I get the reasoning now though, thanks arsenic.
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Old 03-20-2012, 10:47 PM   #9
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thank you!!!! well I set the a/f and it has way better respons but still bogs at 3-5 thousend rpms. Is that a carbs sync prob or a vac prob? I think I have water getting into the engine becouse, I have white smoke off the headers after it gets worm. so would that be the couse of the sputer or a carb sync?? otherwise I got it to idle good and the high ranf rpm is good.
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Old 03-20-2012, 11:16 PM   #10
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Well, a sync problem IS a vacuum problem. I wouldn't try to diagnose ANYTHING until you do that.
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