edszx14
Expert Class
Posts: 271
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posted January 01, 2011 12:41 PM
Throttle bodies sync
Hello Everyone and Happy New Year. I am sure this has been discussed but I couldn't find it anywhere. Has anyone checked the throttle bodies sync. and if so were they out of tolerance. How many miles were on the engine when you checked them. My bike is coming up on 10,000 miles and would like to know your ideas on syncing the throttle bodies. Many thanks in advance.
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Ed
  
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madnessracing
Pro
Vmax and Busa Beater
Posts: 1140
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posted January 02, 2011 09:28 AM
 Edited By: madnessracing on 2 Jan 2011 17:28
No need for that Keep running your bike!
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Shorty's Performance
Team Madness Racing
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INTIMIDA2OR
Needs a life
RED rider!
Posts: 13081
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posted January 02, 2011 11:04 AM
+1!
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'06 Passion Red ZX-14
*Lee*
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INTIMIDA2OR
Needs a life
RED rider!
Posts: 13081
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posted January 02, 2011 11:09 AM
Almost 71k on my beautiful Red 06 . Checked twice. Once at 40k 2nd time at 60k. No adjustments needed. I think i'll check them again only if she starts to run rough.
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'06 Passion Red ZX-14
*Lee*
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Rook
Pro
Posts: 1125
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posted January 02, 2011 01:01 PM
Edited By: Rook on 2 Jan 2011 21:06
Checked mine at some time after they were due on routine checks. All was good far as I can tell . I came up with this cheap-o way to check them. Bought the gauge at Harbor Freight for about $19. As you can see, the needle waves back and forth quite a bit but I was satisfied that both banks looked like they were bouncing in the same range. I revved the motor to 3.5K and the needle was pretty steady. It was suggested to me that I might try stepping down the inlet of the gauge with some smaller tubing to get a more steady reading at idle. I will probably try that soon when I check the sync again. The proper tools to check T boddies are quite expensive. Motion pro makes a manometer for around $100 and they also make an adjuster tool (there is a straight slot and phillips--ZX-14 is phillips--I think--check that. The tester gauge suggested by Kaw service manual is about 1K $$$!
IMO --probably T-body sync not a real necessary procedure but a fun way to get to know how the bike works a little better and pretty cheap as long as you don't need to buy the adjuster tool or anything else. Might as well try the cheap-o way for peace of mind.
There is some good text here but photos have all gone. PM me if you care for any further advice.
http://www.zx14ninjaforum.com/messages.cfm?threadid=A0CC8A10-1372-66AE-3B994BAEA781FE69
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INTIMIDA2OR
Needs a life
RED rider!
Posts: 13081
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posted January 02, 2011 01:14 PM
You need to get a pair of vise grips to pinch the line if you are gonna use a standard vacuum gauge with no restrictors otherwise you get the needle fluctuation like you described.
No need to rev the rpms to check sync either only idle and blip the throttle between adjustments.
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'06 Passion Red ZX-14
*Lee*
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edszx14
Expert Class
Posts: 271
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posted January 03, 2011 07:51 PM
Thanks guys for the info. I like the pics too. Sounds like the t-bodies really dont need checking unless the engine starts to run a little rough or hard to start. Thanks again.
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Ed
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INTIMIDA2OR
Needs a life
RED rider!
Posts: 13081
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posted January 03, 2011 07:53 PM
quote:
Thanks guys for the info. I like the pics too. Sounds like the t-bodies really dont need checking unless the engine starts to run a little rough or hard to start. Thanks again.
Pretty much it!
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'06 Passion Red ZX-14
*Lee*
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Rook
Pro
Posts: 1125
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posted January 03, 2011 08:10 PM
quote:
You need to get a pair of vise grips to pinch the line if you are gonna use a standard vacuum gauge with no restrictors otherwise you get the needle fluctuation like you described........
Do you mean pinch the rubber tube going to the gauge? That would do the same as stepping the tube down. Less volume getting pulsed around and less needle flutter. I suppose any clamp that can be adjusted to squeeze just the right amount without blocking would work. Thanks for the suggestion.
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INTIMIDA2OR
Needs a life
RED rider!
Posts: 13081
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posted January 03, 2011 08:25 PM
quote:
quote:
You need to get a pair of vise grips to pinch the line if you are gonna use a standard vacuum gauge with no restrictors otherwise you get the needle fluctuation like you described........
Do you mean pinch the rubber tube going to the gauge? That would do the same as stepping the tube down. Less volume getting pulsed around and less needle flutter. I suppose any clamp that can be adjusted to squeeze just the right amount without blocking would work. Thanks for the suggestion.
Yep pinch the tube going to the guages. You can turn the knob on the vicegrips to stabilize the needle , not pinch the line completely .
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'06 Passion Red ZX-14
*Lee*
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samin
Novice Class
Posts: 94
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posted March 31, 2012 10:46 AM
Sorry to bump this old topic...
Today, I measured vacuums with SyncPRO (first time) but I dont have a clue if any adjustments is needed? I would say yes, cyl. no2 is lil too low? My bike has 23k miles.
No values or pics, but 40sec video clip is here: http://www.youtube.com/watch?v=-iOiXMlnhcU&feature=youtu.be
What kind of tools do you guys have for adjusting pilot screws? Is kawis special tool only way to go?
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*Who's General Failure and why's he reading my disk?
* ZX-14 ABS -08, Finnish guy ^^
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