Main jet holders

Blanas · Post by **Blanas** » Mon May 02, 2011 8:58 am

I had a observation regarding the main jet holders. On the left side the jet holder has three holes on each side and two holes ate the bottom. On the right side the holder has the same three holes on each side, but has two holes on the top. I have a cl77. Does this difference make a difference? The right side spits allittle and is harder to adjust.

CL77NOW · Post by **CL77NOW** » Mon May 30, 2011 4:19 pm

min has 8 emulsion air holes.
3 x 3 by 2

soak it in berrymens longer.

http://cl77.servebeer.com/

LOUD MOUSE · Post by **LOUD MOUSE** » Mon May 30, 2011 5:02 pm

There are/were 2 styles issued and for the life of me I can't recall which is which.
You have 1 of each.
Parts book/fiche shows different number for the CB and CL. .................lm

Blanas wrote:I had a observation regarding the main jet holders. On the left side the jet holder has three holes on each side and two holes ate the bottom. On the right side the holder has the same three holes on each side, but has two holes on the top. I have a cl77. Does this difference make a difference? The right side spits allittle and is harder to adjust.

CL77NOW · Post by **CL77NOW** » Tue May 31, 2011 1:08 pm

too much info
deleted post, but...
here my digital "html" page on Apache digital servers.

notice the ETCHED (acid in antique fuel) needles.

http://cl77.servebeer.com/

brewsky · Post by **brewsky** » Tue May 31, 2011 6:45 pm

CL77NOW wrote:
btw , FYI, many other bikes ,just hate pod filters, it messes up the air at the emulsion tube
Case in point: CB750s
inputs x2, causes fluttering of pressures in this zone, and AFR crazy .

see attached for my CB750k3 ,hates PODS. kinda classic.
the 750s forums all now this fact.
first photo is nostalgia

I agree....I just trashed the pods on mine for stock airbox (slightly modified) and a K&N.
It already runs smoother and I haven't even re-jetted it yet

Photo shows 1977 K3??, but they do look good!

CL77NOW · Post by **CL77NOW** » Wed Jun 01, 2011 8:25 am

yes, and the above was done with old Berrymans chem dip
the new 2006 , they went to commercial bath room cleaner + simple green formula
and makes the ALUM turn gray.
corrosive.

the old dips ,Gunk,BOP etc, and what not, just cleaned them.

i think we are at an end on carb cleaners. just the solvents and hard scrubbing.

teazer · Post by **teazer** » Wed Jun 01, 2011 9:54 pm

AFAIK, the two different emulsion tubes/main jet holders are from the CL and CB models - two different part numbers in my copy of the parts book, but no changes in number over the life of the bikes (that's from what I can see) there may be more complete info out there).

And those carbs work great with the stock velocity stack that comes in the airbox. I use them on a couple of race bikes with OEM velocity stacks straight out of a spare airbox or new from Honda.

The air jet allows fuel to break into smaller droplets for better atomization and faster and more complete combustion. Changing the size or airflow across the air jet changes the fuel slope which is way that fuel supply changes with RPMs at a constant throttle opening. changing the size of the air jet or the pressure drop across it can change the fuel calibration at the top end regardless of throttle opening.

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Main jet holders

Main jet holders

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