Topica Loopframe_Guzzi Archive
 

Subject: Re: Fine Tuning Brakes and Carbs - Long

Author: Greg Barratt

Date: May 7, 2005, 7:07 AM

Post ID: 1718827451


the splitter has an adjustment on it for slack at throttle. just like
adjusting clutch at lever, it's an adjusting screw.


Greg Bender wrote:

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Hi Keith,

With the Superpractic B throttle, what you have is a single cable going
to the spliter and then one cable going to each carb. If memory serves,
the only adjustment you can make is at the top of each carb where you
have already identified the adjustment mechanism.

I'd start off my adjusting the slack out until it is within spec and
close on both sides. Then, I'd move to balancing the sliders. There are
a number of techniques that can be used to do this. Some prefer mercury
sticks, some prefer listening for clicks, some prefer feeling with a
finger and a thumb. Personally, I'm quite fond of the straight 6" wires
under the sliders method.

At any rate, you do want to have only about 1/16" slack in the cable -
as Mark mentioned. Too much slack and you run the risk - among other
things - of the cable sheath getting caught up on the outside of the
throttle and the inner cable rubbing against sharp edges of the throttle
and breaking. Don't ask me how I know this :>

If things are getting caught up, you can always clean and lube the
throttle as well as the two-way under the gas tank...plus all the other
recommendations made on this list a few days ago.

Keith Ruff wrote:


 Got a question on throttle cables (wasn't that a hot topic recently
also?). I have a Superpratic B throttle. Mark mentioned that 1/16"
slack is necessary for the cable. I've got way more slack than that,
probably 1/4-1/2" movement of the throttle grip before the cable grabs.

I was hoping to be able to adjust this out at the handlebar, but I hear
that I have to adjust this out under the tank, is that correct? How is
that adjustment made, is it simple like the brake cables? I synched my
carbs last weekend but noticed on the carb stix that the mercury on the
right cylinder bar would move up before the left side when blipping the
throttle, but when the left side kicked in, they would move up
simulataneously
(lower mercury level on the left side though) and drop back down
together and become equal at idle. I'm figuring my left cylinder cable
is tighter than the right, so I want to try to adjust the cables to get
the levels more equal during acceleration. I'm guessing this is done
where the cable goes into the carb? I saw the nut on the carb where the

cable goes in and am assuming that this is the adjustment nut, correct?





Regards,

Greg Bender
1971 Ambassador
2000 Quota
http://www.thisoldtractor.com/gtbender

Florida MGNOC website
http://www.thisoldtractor.com/fl_mgnoc

Minnesota MGNOC website
http://www.thisoldtractor.com/mn_mgnoc

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