What Sadistic bag of CRAP did the Vacuum cap !!!!! - SV1000 Portal
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post #1 of 19 (permalink) Old 12th March 2020, 02:41 AM Thread Starter
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What Sadistic bag of CRAP did the Vacuum cap !!!!!

I am going to balance the throttle bodies but would like to know... what sadist put that vacuum cap on that front throttle nipple, I have been cursing for the past 30 minutes and am no closer to getting it off, my hands must be too big.

I read that I don't have to take the air box off at this stage and that it is accessible by running my hand through the right hand side of the bike, yeah well that ain't working!!!!!!!!!

Anybody devised a trick to this job?

Can't fit needle nose pliers in there either.

Frustrating is not a word that describes this job.
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post #2 of 19 (permalink) Old 12th March 2020, 02:47 AM
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It's likely that the rubber cap has adhered to the metal. I destroyed mine when I pulled them off. No biggie though since I left extension tubing in place and capped the ends of those off.
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post #3 of 19 (permalink) Old 12th March 2020, 02:56 AM Thread Starter
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Quote:
Originally Posted by oldbaldsob View Post
It's likely that the rubber cap has adhered to the metal. I destroyed mine when I pulled them off. No biggie though since I left extension tubing in place and capped the ends of those off.
It's that butterfly clip that is causing the problem
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post #4 of 19 (permalink) Old 12th March 2020, 03:13 AM Thread Starter
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If I can't take it off leave it on, I pushed the butterfly clip forward so that it is off the rubber cap and yes it now appears that the cap is indeed stuck to the nipple... oh the pain!!!!!
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post #5 of 19 (permalink) Old 12th March 2020, 03:13 AM
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Ah, I used some long, curved needle nosed pliers for the spring clips but then had to rip off the rubber covers.


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post #6 of 19 (permalink) Old 12th March 2020, 04:17 AM Thread Starter
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Originally Posted by oldbaldsob View Post
Ah, I used some long, curved needle nosed pliers for the spring clips but then had to rip off the rubber covers.
I didn't have anything that fine just a standard pair suitable only for gorilla hands. Anyway, phase one done.

To get the butterfly clip off I had to put my hand in palm facing up then I had more grip and leverage. I then pushed the clip off the rubber towards the front of the bike so it went onto the metal nipple then it was brute force pulling the rubber cap off the nipple.

I got my 4mm tube (thank you missing link) pushed all the way onto the nipple and put a plastic cable tie on it to hold it in place.

The rear nipple was a lot easier to get to and I used the cable tie routine again.

I trimmed the hoses down and sealed the ends with vacumm connector caps and cable tied those as well just to be that bit more secure.

Next phase of the nightmare is making a manometer.
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post #7 of 19 (permalink) Old 12th March 2020, 05:00 AM
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Quote:
Originally Posted by Cruze View Post
I am going to balance the throttle bodies but would like to know... what sadist put that vacuum cap on that front throttle nipple, I have been cursing for the past 30 minutes and am no closer to getting it off, my hands must be too big.

I read that I don't have to take the air box off at this stage and that it is accessible by running my hand through the right hand side of the bike, yeah well that ain't working!!!!!!!!!

Anybody devised a trick to this job?

Can't fit needle nose pliers in there either.

Frustrating is not a word that describes this job.


Just pop the air box out and use a long skinny flat blade you can thread in from above. Or just pop the throttle bodies out, it only take a couple of minutes to do both.

I just did a sync for someone on a bike they built a home made sync set up for. Their set up was terrible from some web guide. I looked at the site and saw why it didnít work. The design was crap and the results the owner got were terrible.

Please make sure the design for a home made unit is sound.

-ms


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post #8 of 19 (permalink) Old 12th March 2020, 06:19 AM Thread Starter
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Quote:
Originally Posted by schmidt314 View Post
Just pop the air box out and use a long skinny flat blade you can thread in from above. Or just pop the throttle bodies out, it only take a couple of minutes to do both.

I just did a sync for someone on a bike they built a home made sync set up for. Their set up was terrible from some web guide. I looked at the site and saw why it didnít work. The design was crap and the results the owner got were terrible.

Please make sure the design for a home made unit is sound.

-ms
Do you have a particular design that you favour?
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post #9 of 19 (permalink) Old 12th March 2020, 06:22 AM
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Quote:
Originally Posted by Cruze View Post
Do you have a particular design that you favour?


I have an old school Suzuki steel ball brass unit or a MotionPro SyncPro.

-ms


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post #10 of 19 (permalink) Old 12th March 2020, 11:07 AM
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Originally Posted by Cruze
Do you have a particular design that you favour?

You can build your own: https://www.sv-portal.com/forums/317134-post33.html


Considering it's very low cost, it's not as easy to read as a commercially available tool. But if you're patient, you can achieve excellent results.


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post #11 of 19 (permalink) Old 12th March 2020, 11:21 AM Thread Starter
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Quote:
Originally Posted by oldbaldsob View Post
You can build your own: https://www.sv-portal.com/forums/317134-post33.html


Considering it's very low cost, it's not as easy to read as a commercially available tool. But if you're patient, you can achieve excellent results.
Thanks for the page, I did see that one as I was scanning the site, if a secondhand wiz bang one for next to nothing I would get it but right now I am leaning towards one like yours, I already have the wood, the tubing and the transmission fuel so next day when I am feeling keen I will put one together and see how it goes.

Thanks
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post #12 of 19 (permalink) Old 13th March 2020, 01:38 AM
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Like was said earlier, leave the hoses in place on the throttle bodies and blank them with something suitable....5mm screw....

I did that with mine 12 years ago, they are still there....
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post #13 of 19 (permalink) Old 13th March 2020, 03:18 AM
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Originally Posted by Missing Link View Post
Like was said earlier, leave the hoses in place on the throttle bodies and blank them with something suitable....5mm screw....



I did that with mine 12 years ago, they are still there....


I like to use Yamaha part number 5PW-14251-10-00 to block off vac hoses. These are quite handy. With one, you can plug a hose onto either end and join them together and they both get blocked off.

-ms


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post #14 of 19 (permalink) Old 13th March 2020, 03:49 AM Thread Starter
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I like to use Yamaha part number 5PW-14251-10-00 to block off vac hoses. These are quite handy. With one, you can plug a hose onto either end and join them together and they both get blocked off.

-ms
I found a similar thing at Bunnings, our local hardware store seems to fit very snugly
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post #15 of 19 (permalink) Old 14th March 2020, 02:29 AM Thread Starter
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Phase 2 completed... Built my manometer this morning, pretty straight forward, hooked it up to the bike and gave it a try out and the throttle bodies are way out of alignment. The weather here in Sydney today is a little cyclonic today so I when the wind has died down I will attempt phase 3... synching the bodies.
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