Project GS1000 with GS1100G D-Port Head, 1100G Cylinder & Mikuni RS34

[srsupertrap]

Time to mount the Mikuni RS34s/K&Ns, I found unlike the GS1000 VM26 carb boots which are all the same P/N the 1100G carb boots have different P/N's for the Inner & Outer boots which I installed in the wrong order. Regardless


RS34s have two fuel lines leading to T fitting (Not Shown)

Push / Pull throttle cables install seamlessly


Its a fight to install the bigger K&N individual Pods



Fuel T Fitting installed: A tight fit is required to maintain gravity flow


I have also installed new Dyna Spark Plug Wires from Z1 . . .ready for Gas Tank & Ops Check

[7981GS]

That looks like some serious flow from those fuel lines.
And easy to see.

Daniel

[psyguy]

those carbs are very sexy

[srsupertrap]

+1: psyguy on Mikuni Carbs. I must have completed lot of work back on 7/30/2011 based on all the pictures I took




I turn the engine over & over by hand to ensure all the oil passages are filled, I even see the oil level drop a couple of times.

I wheel the big GS next to my Tacoma: Attach some jumper cables to its battery, twist the grip twice & pull the choke fully put, hit the starter button and it starts immediately. Being everything is new I blip the throttle up to 3.5K immediately.


Besides the Idle Speed being too high the new Carbs settle down into their Clickty clack idle as I continue to blip the throttle. I turn it off after a minute since smoke is coming from the newly painted header, Cylinder & Head etc. I turn on the fan and repeat the process increasing the run time by a couple of minutes each time



Parked after first break in run. Nothing leaks at all and the bark from the Supertrapp is more pronounced. Lessons learned soon to follow. . . A real Master Charger

[jeff.saunders]

Superb job on the bike.

Don't forget to retorque the cylinder head.

[7981GS]

I love that paint scheme! WTG!!!
So now the bike is a 1055? Sweet!

Daniel

[sedelen]

I swear I have witnessed perfection in this rebuild thread.
What a bike!

[80GS1000]

Excellent work! Bravo...

Think of all the money you'll save from the front wheel being off the ground all the time with those new RS34s...power wheelie city my brother.

[Flyboy]

One of the most informative, enjoyable threads I have read, many thanks for sharing.
That bike is gorgeous.

[psyguy]

so is that colour silver rather than white?

yeah... what everyone else said... superb perfection excellent georgeous... and to repeat myself... sexy

[srsupertrap]

I really appreciate all the positive comments from psyguy, 80GS1000, Flyboy, sedelen, 7981GS & of course jeff.saunders in the last couple of threads from my fellow GSer brothers , I hope this thread sticks around and helps someone in the future with their GS1000/1100 2V project. BTW this thing now displaces 1100cc with Wiseco 73.5mm


A couple of points:

1. If you do this modifcation your pistons should be at least 73.5mm since the stock GS1100G displaces 1074cc. Asking a Machinist to bore out the 1074 sleeves to accept the familiar Wiseco 1085 (73mm pistons) is splitting hairs IMO.
2. How does it run? Its really stout with a noticeable seat of the pants Ooomph factor. I got super lucky with the RS34 Jetting, I installed Mains: 120 & Pilot 15s and it started up just fine not cough, stutter, backfiring etc
3. The bike feels a bit heavier which I attribute to the heavier 1100G cylinders; the previous 1085cc cylinders were razor thin
4. I will post a picture with the GS1000S fairing soon

PS: I will retorque the Head soon

[7981GS]

Re-reading the thread, you mention S-1 AND S-3 cams.
Which ones are you running in it or did you use one of each and in which positions?
I have the S-3 cams (both) in my true 1100cc (73.5mm bore, 1000 motor) in my '79 750E with 29mm Smooth-bores and it runs like a scalded dog.
Especially above 6,000 rpm.
I milled the head .020 to bump the compression up a little more.
It is still my favorite weapon of choice and I have a few to choose from.
Once that baby is fully broken in, it will be your favorite as well I am certain.


Daniel

[Smellii]

I think I hear angels.

[srsupertrap]

Re-reading the thread, you mention S-1 AND S-3 cams.
Which ones are you running in it or did you use one of each and in which positions?
I have the S-3 cams (both) in my true 1100cc (73.5mm bore, 1000 motor) in my '79 750E with 29mm Smooth-bores and it runs like a scalded dog.
Especially above 6,000 rpm.
I milled the head .020 to bump the compression up a little more.
It is still my favorite weapon of choice and I have a few to choose from.
Once that baby is fully broken in, it will be your favorite as well I am certain.


Daniel

Daniel,

I looked back and I was referring to the Cylinder Head Casting Id Number which is located adjacent to the cylinder head surface. The original GS1000 head was marked with a S-1 through S-3 number. The GS1100G, at least mine was identified with a S-6 Mark

Back to the cams I only have the Andrews S1 cams installed in both Intake & exhaust positions. I have always liked street cams because it lets you roll by unsuspecting maladjusted 600 Sewing Machines w/o sacrificing reliability


Here is a photo of GS1100G Head: S-6 Marked Lower Rt. If anyone knows all design changes between the original GS1000 S-1 head & GS1100G head that would be interesting to know. I only know the D-port, bigger chamber etc

PS: I also have a GS1100G Head 4 Sale

[srsupertrap]

GS1000S fairing reinstalled & ready for next season