@Madhu
@Vishnu
Thank you, I will try for a positive Result

Mach, That is some great news u got there.
So seems like U have joelled your Bike to pump out that much power!!!

Don't forget to put up a video ..
Also is there a change in the exhaust note or it remains the same?

sir , thank u very much for all your advices

These r few pics of my new bike

I was trying tuning the carb using this method How To Tune Your Motorcycle For Performance and Fuel Efficiency

First i rode for few kms, then put the bike on centre stand. Set the idle to 3krpm. Then i turned the fuel screw clockwise , the RPM was increasing. I thought RPM should decrease because the mixture is becoming more lean. I also turned it anticlockwise ,RPM was decreasing.


When the screw is turned in, and if the mixture is becoming lean, why the RPM is increasing?

When the screw is turned out, and if the mixture is becoming rich, why the RPM is Decreasing?


I guess turning anticlockwise is lean mixture and clockwise is rich mixture, I know in 4 strokes we have fuel screw and in 2 strokes a air screw but in our bike its a air screw. The behavior of the golden screw in our bikes is like that of a air screw. I have read some discussion in past pages here, someone was saying it as a "pilot jet air screw"

Hi Guys... I'm signing in after many months... probably 7-8 months and I'm seeing whopping 1000+ pages on this thread. I'm not in India right now and dont know when I'll come back. Miss my GS150R. I saw recently saw GSXR and it resembles GS150R so much. Happy biking guys... keep rocking...

my new GS 150 r

hi..guys got my new bike..its so exciting..since its my first bike..will soon upload the pictures of it...

Boosted GS150R

No my bike is not Joelled......my dear friend was not ready to get my bike up the paces.

I got a very different tuner in my own city............he is my close friend.He has patents in several of his performance tuning inventions.

One of them has been put to use on my bike ...........all of them are used on his Fiero though

Okay time to break the shell, slowly.

My GS150R has been supercharged..........it runs a high pressure kompressor that enables forced aspiration while producing torque induction now.

The Supercharger is not a crank driven one........it is an electrical kompressor which are best suited for small engine bikes like ours.

Also my bike now runs advanced engine cooling system to keep the engine from overheating in low rpms due to lean burn activity.

NGK Irridium CR7HIX ,Splitfire dual core wire with Slingshot adapter has been used to keep the spark from blowing off under pressure of forced aspiration.

The exhaust note has changed and the bike is very very very fast now.
Plenty of boost in the low-range and mid-range...............the bike revs past 8500 rpm with ease in any gear.Though I have not confirmed the rise in top speed, I am running out roads due to the devastating acceleration..........but I would soon test on a faster road with video.

The bike accelerates freely and revs freely.

As expected mileage has gone up...........two days of testing has made the stock spark plug go pinkish vanila instead of dark chocolate .

The speedometer now shows exact road speed, it has been reset and adjusted by Suzuki themselves.

More.........would come up after I had done the speed test, acceleration has been observed.

So,this is how a boosted machine feels.........grunty low end-torque lag-boosted midrange-power lag-blasting past peak power

Crazy crazy crazy...............such a pleasure never felt on a stock RTR180,ZMA,R15 or P220.

Our GS comes with Constant Velocity / vacuum carb. and there are two screws in all the carbs. one is fuel screw also known as idle screw on the right side of carb fitted vertically and can be turned by hand. and other is air screw, (referred as Golden screw by many people here) fitted horizontally and can be turned with a (-) screwdriver.
By moving air screw clockwise, it reduces air flow or increases fuel supply, hence mixture becomes rich, anticlockwise rotation makes mixture lean...

use a digital tachometer if possible while tuning...make the engine heat up sufficiently and set idle around 1500 +- 500 rpm. Some pages back Jayantnarangkar has mentioned about tuning carb. himself.
his setting: Tuning:- 3.3 turns anticlockwise from full tight
I still don't know what he means by .3 turns, is it 1/3rd turn or something else...

would love to see your machine someday

@MACH
Great work keep going

And about that supercharger you are using is like in the below link? or the Real one

Understand Why Electric Superchargers Are Scams

hey guys..the idle rpm screw nut is connected to the carburator?? so turning that screw also affects the mileage??

I think the Ideal screw wont affect the mileage directly

But when ideal is too high then this will consume a bit of fuel more, for example if your are waiting for signal. And when it is unscrewed too much will give a starting trouble.
Its is good to keep the Ideal as in the manual or as mention by some experts here

The electric Kompressor I am using is a strong wind pump,made specifically for the purpose of developing enough pressure for 150cc machines, it is imported and designed specifically for the GS150R.

What happens in the Western countries is very similar to a joke that I mention below:
"Once a man invited a hundred guests on a certain occasion.For their refreshment, he contacted a sweet shop instead of a caterer.The sweet shop sent that man a box of sweets, or to be precise 100 pieces of barfis.
but the invited guests had an appetite for a full time meal.
So it goes without saying neither the man was satisfied by his own presentation, nor the guests expect this from him...............The biggest mistake he made was ordering a box of sweets to feed hundred guests at lunchtime."

Moral of the story- a box of sweets cannot feed a 100 guests.

Even before doubting the effectiveness of the principle of electric Supercharger,just think of the machines they plan to upgrade with electric supercharger...............600-1000cc bikes,2000cc to 5000cc cars,tell me one thing very honestly.........can the electricals on these machines support the huge boost that is needed for a significant forced aspiration on these motors through electrical kompressors ????

I hope people are wise enough to differentiate between the boost required by a 150cc machine and the boost required by 600cc or above 1liter displacement vehicles.

It is as much impractical to use a crank driven conventional metal supercharger on a 150cc engine as it is to use an electrical kompressor on a engines in excess of 500cc.

The suck-through carburetors even on the biggest bikes made and designed in India cannot provide enough fuel to support a boost of conventional supercharger,so installing one is not very practical even in the wildest of nightmares(not dreams )

The electrical Kompressors theoretically,depending on their design can boost small engines well.Trust me, now that I ride one.

Though the design on my bike has been engineered and not bought off shelf, it also houses cold air intake system.
But even then it is just stage one, stage two would involve a bigger carb and a Free flow indigenous designed exhaust.

@MACH

o... then your's work looks good

Wish you great success for your upcoming stages and steps and eagerly waiting for your updates

I really appreciate your support