carb syncing cant get to #2 screw?

[rockhammer]

Hello

I am syncing my carbs using an analogue vac tool with four meters. I have the bike hooked up and everything is working and ready to be synced. I have a problem. The lock nut and screw for #2 carb is right under the throttle cable and there is no direct access above it. I looked at the tutorial but there is no mention of this interesting dilemma. Any body have any suggestions about how to access this number 2 lock nut and screw. Also how should I remove the mixture caps? 82 gs 850 L

[Steve]

You still have mixture caps?

That means that the carbs have not been cleaned and re-o-ringed?

OK, as long as you don't mind taking them apart later to do the job.



Now to answer your question: If you have a nutdriver with a LONG extension, you can twist the throttle about half-way, then stick the nutdriver down at an angle from the top, behind the carbs.

Makes it a bit tricky to lock it back in place, but you can get pretty close.

.

[rockhammer]

Worked like a charm. All synced.

[rockhammer]

Thank you.

[850 Combat]

I don't know if it is like my GS, but I remove as I recall, the clutch cable guard and/or choke cable anchor from the top of one of the carbs, and that allows me to put the tool in place. I like the Motion Pro special tool for this.

http://www.motorcycle-superstore.com/14/71/995/4843/ITEM/Motion-Pro-Carb-Adjusting-Tool.aspx?SiteID=Google_PLA995&WT.mc_ID=10012&esvt=0-GOUSC&esvadt=9-0-3886819-1&esvaid=30548&kw={keyword}&gclid=CPGk3qDE87kCFUlp7Aod1BQAQw

There may be better ways. I thought that the tool was worth it.

[JTGS850GL]

I like that tool as well.

[Steve]

I don't know if it is like my GS, but I remove as I recall, the clutch cable guard and/or choke cable anchor from the top of one of the carbs, and that allows me to put the tool in place. I like the Motion Pro special tool for this.

http://www.motorcycle-superstore.com/14/71/995/4843/ITEM/Motion-Pro-Carb-Adjusting-Tool.aspx?SiteID=Google_PLA995&WT.mc_ID=10012&esvt=0-GOUSC&esvadt=9-0-3886819-1&esvaid=30548&kw={keyword}&gclid=CPGk3qDE87kCFUlp7Aod1BQAQw

There may be better ways. I thought that the tool was worth it.

In the process of synchronizing MANY different bikes over the years, I have found that bikes from '80 and '81, which have the "choke" linkage attached to #2 could have the linkage removed with no problems. Bikes from '82 and up have a combination bracket that is attached entirely to #3, which includes the curved guide for the "choke" cable. That could also be removed to get it out of the way. Same concept, just a different way of acheiving it.

The way I outlined in post #2 works very well for bikes that are 750cc and larger. The 550 and 650 carbs are closer together, making access between them a bit more difficult, but possible, if you have some rather thin-walled sockets.

Some day I will get one of those Motion Pro tools.

.

[BigD_83]

I use something similar that came with my Morgan Carbtune:

While looking at 850Combat's link, I saw this 90 degree tool. Pricey, but there are a number of times I wished I had it:

http://www.motorcycle-superstore.com/14/71/995/4821/ITEM/Motion-Pro-Ninety-Degree-1-4-Hex-Driver.aspx

[bomber737]

+1 vote for the motion pro tool, and you look like you know what your doing in front of your adoring family and friends. Bonus