jetting 79 GS1000E Mikuni individual Pods

[Guest]

looked over several pages of information but don’t see anything specific about what jets to use found a dinojet stage 3 kit # 3304 but says drivability may be impaired, don’t see a stage 2 at all for the 79 GS1000?

Some other suggest going 3 over stock is that 3 over 112? So a 120 jet
And the pilot is one size bigger above 17.5 so a 20?

Pulled off the original Suzuki mufflers replaced with 2/2 (best description) with original headers pipes 2-3 merge Mac Products Suzuki GS1000 (thru 1980) Taper Tip Mufflers

All very confusing, awaiting your grand explanations I do all my own work and the manuals are very general so far. The wealth of information here is mind blowing and I love it keep it coming :>)

[BassCliff]

Greetings and Salutations!!

Hi Mr. Recoush,

The jetting recommendations for modified intake and exhaust are ballpark figures at best. You have to fine-tune the configuration by reading the plugs after performing "plug chops". Then adjust the jetting as necessary.

From what I have gathered from the experts here, with pod filters and free-flowing exhaust the mains can be 4 to 6 sizes larger than stock. The jet needle can be raised by a notch or two. The pilot jet might need to be one size larger. You will find the "plug chop" and other methods explained, or linked to, on my little website. Now let me greet you properly with the "mega-welcome".

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Oh God! Pods!


Thanks for joining us. Keep us informed.

Thank you for your indulgence,

BassCliff

[Recoush]

Very intersting thanks for the Input Love all that data you have saved Priceless as they Say.

Ok update on jets the ones in the Suze VM 34 carburator are 95 and the other one is a 15 the needle valve has a 2.3? on it

the other we are assuming Kaw due to the accelerator pump also VM34
has 107.5 and the other is 15 the needle valve looks the same no numbers

so ? can I jump the curb and install the 107.5 and should be good and leave the 15 in place since they are the same

or is thier more to this modification?
Really sureprised they are 95 and not 100 as i remember reading some place else
Recoush

[BassCliff]

Hi,

If you use the information I have provided, you will find this...

Suzuki GS Series Carb Specs

That chart shows the stock main jets as being 95. You will need to go up 4 to 6 sizes from stock for your intake/exhaust configuration. (Note: a Mikuni jet size is measured in 2.5 increments. Mikuni jet sizes are determined by the flow rate, i.e. 95 = 95cc of fuel per minute, NOT actual size in mm like the Dynojet parts.) After re-jetting, perform plug chops, read the plugs, adjust as necessary.

Other links that may interest you:

CV Carb Jetting and Cleaning
Shimming The Needle

Carry on.


Thank you for your indulgence,

BassCliff

[Big T]

Very intersting thanks for the Input Love all that data you have saved Priceless as they Say.

Ok update on jets the ones in the Suze VM 34 carburator are 95 and the other one is a 15 the needle valve has a 2.3? on it

the other we are assuming Kaw due to the accelerator pump also VM34
has 107.5 and the other is 15 the needle valve looks the same no numbers

so ? can I jump the curb and install the 107.5 and should be good and leave the 15 in place since they are the same

or is thier more to this modification?
Really sureprised they are 95 and not 100 as i remember reading some place else
Recoush

VM 34?

You have 34mm smoothbores on it?

The stock carbs are VM26

And, what's this about a Kawasaki carb?

Very confusing post

[gsrick]

VM 34?

You have 34mm smoothbores on it?

The stock carbs are VM26

And, what's this about a Kawasaki carb?

Very confusing post

I hear ya on that T, 34s would be CV carbs on '80 and later liter bikes.
Need to see some photos. Use Photobucket and copy and paste.

[BassCliff]

Hi,

Yes, if I would've read the thread more carefully I would have noticed the discrepancies. The '79 models usually have VM carbs, the '80 models got CV carbs. Are you using non-stock carbs? If so, everything I said before .... nevermind.

Of course, sometimes there are discrepancies between the model year and the year it was first registered.

Thank you for your indulgence,

BassCliff

[Recoush]

Sorry for any confusion
the original as far as I know stock Carbs from the 1979 GS1000E and over the winter picked up on eBay another set of Mikuni Carbs.

Last week opened the EBay box and found the carburetor had an accelerator Pump
So I asked the question and some said most Kawasaki have this type of carb.
Otherwise looks identical to the stock 79 carbs

Meantime the bike started but had fuel dripping from 2 carbs so I pulled them and found various issues

Put pods on them and read or someone mentioned you need to rejet and here we are having a grand time :>)

[Recoush]

most are the accelerator pump have to take some of the stock next time i go out to the garage

http://s1275.photobucket.com/user/Recoush/slideshow/Carburator

[Agemax]

most are the accelerator pump have to take some of the stock next time i go out to the garage
http://s1275.photobucket.com/user/Re...how/Carburator

you should measure the internal bore of the carb, not the external.
they do look like kawasaki carbs