Throttle Body Sync - Kawasaki Versys Forum
 
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post #1 of 13 (permalink) Old 05-06-2010, 09:59 AM Thread Starter
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Throttle Body Sync

OK Gents...Heard that if the throttle bods are syc'd the bike will run sorta rough...Not sure if that's true, but if it is, how would this cigar smokin V rider sync'm...Tkx All

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post #2 of 13 (permalink) Old 05-06-2010, 01:05 PM
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That's true, but not necessarily the only reason to make a bike run rough. But, that's usually the first thing I check.

There is a good How To guide for the shade-tree mechanic on the other Versys forum written by Clunk:
http://www.versys.co.uk/index.php?op...5&topic=6280.0

If you have a throttle sync tool that can get into that tight space, you don't have to take the tank off. Motion Pro makes one and it's about $29 from your local bike shop.

Gustavo


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post #3 of 13 (permalink) Old 05-06-2010, 11:13 PM Thread Starter
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Thanks Gustavo...Oh Lordy, motion pro looks like a dangerous place for my wallet...

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post #4 of 13 (permalink) Old 05-07-2010, 10:50 AM
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Quote:
Originally Posted by Gustavo View Post
If you have a throttle sync tool that can get into that tight space, you don't have to take the tank off. Motion Pro makes one and it's about $29 from your local bike shop.
Gustavo
Gustavo,

Could you post a picture of your sync tool, please?

Ed
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post #5 of 13 (permalink) Old 05-07-2010, 11:15 AM
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post #6 of 13 (permalink) Old 05-07-2010, 12:30 PM
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http://www.motionpro.com/motorcycle/partno/08-0119/

Motion Pro's PILOT SCREW ADJ TOOL has 1" of reach at 90 degrees which is actually too long to fit between TB vacuum bypass screw and the injector's plug-in.

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Originally Posted by pversys View Post
I have the $25.00 tool. I did have to dremel about a half an inch off the end in order to get it to fit but once I did I was able to maneuver it over the adjuster openings. I haven't hooked up the carbtune but it looks as though I am going to be able to do it. I'm gonna go ahead and rate it a 4 bloody knuckles project considering I already have one trying to get it in there.
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These pictures are just the worst but you will get the idea, just pop a metal disk onto the dremel, pull the flathead bit as far out as you can and cut the end off. (View Post to see pic attachments.)
Kawasaki # 57001-1603 Pilot Screw Adjuster tool has two angles and is made to fit (Back-order from Japan and listed at $155.41 CDN in 2007.)



Kawasaki tool # 57001-1239 ($75.40 MSRP) shown on page 2-13 and 2-16 of EX500 manual, is also used on Ninja 650R: http://zmey.my1.ru/_ld/0/1_servis2005.pdf
$67.86 from: http://speedsupplies.com/partslistin...00&category=KW

You may as well remove airbox and prop up rear of fuel tank to do it. It also allows access to TB vacuum fittings to hook up vacuum gauges or manometer.
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post #7 of 13 (permalink) Old 05-08-2010, 05:54 AM
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Can you reach them with a regular screwdriver with the airbox off?

Steve

I bought a motorcycle because my wife said that I couldn't! Now I have two and she still says I can't have another one!
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Sounds like a challenge to me!

Now I have four!
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post #8 of 13 (permalink) Old 05-09-2010, 12:34 AM
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Originally Posted by sharrison56 View Post
Can you reach them with a regular screwdriver with the airbox off?
Absolutely... Leave the right TB vacuum bypass adjustment screw closed, and adjust the left TB screw that's already turned out to balance vacuum at 1300 rpm idle.

Last edited by invader; 05-10-2010 at 04:57 AM.
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post #9 of 13 (permalink) Old 05-09-2010, 03:31 AM
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Here's the left throttle body's vacuum bypass adjustment screw at the end of red pointer, as seen from fuel tank's rear mount. I covered up the TB inlets with my original air filter's foam element, wrapping it on both with electrical tape to perform the adjustment:


Last edited by invader; 05-10-2010 at 04:57 AM.
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post #10 of 13 (permalink) Old 05-14-2010, 04:03 AM
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Absolutely... Leave the right TB vacuum bypass adjustment screw closed, and adjust the left TB screw that's already turnedout to balance vacuum at 1300 rpm idle.
This sounds easy... Any other things we should know?

So the default right TB sdjustment screw is closed, just adjust the left one? Don't really care what the level is as long as they are both the same (balance)?

I remember someone at other forums just use a coke 2 liter plastic bottle and some aquarium's tube and make himself a throttle sync gauge...

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Current bike
09 Kawasaki Versys

Previous bikes
07 Suzuki GSXR 1000
07 Yamaha FZ1
06 Harley Davidson Softail Deuce
06 BMW K1200 GT
05 Suzuki Vstrom 650
01 Yamaha Vstar 650
90 Yamaha FZR 600
7x Yamaha Enduro 125

Last edited by LAVersys; 05-14-2010 at 04:23 AM.
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post #11 of 13 (permalink) Old 05-14-2010, 05:24 AM
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Originally Posted by LAVersys View Post
So the default right TB sdjustment screw is closed, just adjust the left one? Don't really care what the level is as long as they are both the same (balance)?

I remember someone at other forums just use a coke 2 liter plastic bottle and some aquarium's tube and make himself a throttle sync gauge...
Yes to both questions.

You should be able to make your own manometer. It does have to be taller to avoid sucking up the lighter than mercury fluid used, and you need to add a restriction near both ends of 1/4" tubing to dampen vacuum pulses. You can use carburator main jets or stick in a length of plastic pen refill wrapped in some electical tape for a snug fit in the tubing. Check vacuum balance at 1300 rpm idle on warmed up engine. Close left TB vacuum bypass adjustment screw if left vacuum is low (lower fluid level in tubing), open it if left vacuum is higher. Make small adjustments and observe fluid levels which will dance up and down a bit in manometer. Set both levels as equally as possible while making sure idle is still at 1300 rpm.

http://www.zivney.net/library/carbsync.pdf
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post #12 of 13 (permalink) Old 05-14-2010, 07:04 AM
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You'll need to add a length of smaller 1/8" ID rubber vacuum hose to each end of your homemade manometer's 1/4" ID clear vinyl tubing to hook it up to TB vacuum fittings... After you're done, you can couple both fittings with 6" of the 1/8" hose if you'd like to try the 'vacuum hose mod', and you could also remove your subthrottle plates (without dropping screws) while you're in there.
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post #13 of 13 (permalink) Old 05-14-2010, 01:23 PM
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Invader... U know everything... R U sure you are not HAL-9000 or something... Haaaaaaaaaa

I really appreciated all you help and knowledge!!!

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Current bike
09 Kawasaki Versys

Previous bikes
07 Suzuki GSXR 1000
07 Yamaha FZ1
06 Harley Davidson Softail Deuce
06 BMW K1200 GT
05 Suzuki Vstrom 650
01 Yamaha Vstar 650
90 Yamaha FZR 600
7x Yamaha Enduro 125
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