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sinc carbs tool

Started by las1200, October 30, 2010, 05:43:05 PM

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Travis398



When all you have is a hammer, everything looks like a nail.

las1200

The carbs seem to so off tune that i can't sinc with this tool. Oil gets suked too fast on carb 2.
Is there any suggested starting setup for those 3 throttle screws?
Should i change idle mix screws or live untouched?

Arnie

Quote from: las1200 on November 03, 2010, 06:33:50 PM
The carbs seem to so off tune that i can't sinc with this tool. Oil gets suked too fast on carb 2.
Is there any suggested starting setup for those 3 throttle screws?
Should i change idle mix screws or live untouched?


The 3 throttle screws are for setting balance.  They do not affect mixture strength.
I don't know if there's a "starting point" other than to have the throttle plates at the same angle.  Unfortunately, I think you'll have to have the carbs off the engine to see the throttle plates.
If your #2 has very high vacuum, then the throttle plate will be more CLOSED on that carb.  Try to adjust the screw between #2 & #1 so it opens #2 a bit more.

Cheers,
Arnie

Scooterbob

Quote from: Travis398 on November 01, 2010, 08:08:49 PM
Here is another for $75 and Free shipping

http://cgi.ebay.com/ebaymotors/Motion-Pro-SYNCPRO-Carb-Tuner-SYNCHRONIZER-TOOL-08-0411-_W0QQcmdZViewItemQQhashZitem53e47e45a0QQitemZ360315766176QQptZMotorcyclesQ5fPartsQ5fAccessories 
 

That's the one I got.  Bought mine for $40 plus $9 shipping off of EBay.  Synced mine last weekend with it.  Wasn't too far off though.  Didn't notice any difference in performance, but it sure starts easier when it's hot now.  No complaints.
Do not argue with an idiot. They will drag you down to their level and beat you with experience.


-----Bob G.-----

las1200

ok, finnaly synced the carbs. :crazy:
I realized that carbs were too much de-syncronized so made difficult or impossible to use the 4 tube tool.
So made a new one with only 2 tubes and much taller (2 meters).
Fewer screws do adjust and higher tubes made it possible. Worked perfect as described.
It didn't help on reducing notorious vibrations on handlebars thow. :nea:
Any suggestion to look at?

Thanks

mikeholzer


The next step is to do the motor mount maintenance. Pull them apart, clean and lubricate. Made a huge difference on my '92. Theres a tutorial here somewhere...