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**ravs** · 03-12-2009, 11:26 PM

Hey guys,
Did a little tinkering around today. I adjusted the Air flow screw in the carb today and found that the PHAT-PHAT sound that comes from the exhaust has magically disappeared! The bike now is running more smooth than before and all the RPM variations at idle have disappeared. Even vibrations have decreased a lot! I wonder what those TVS guys do while servicing the bike? Looks like they screw up the setting so that owners keep coming back to them.

Anyways, the bike now feels more smooth and that sound from the exhaust does not come anymore. Mileage still under testing.

**Raccoon** · 03-13-2009, 03:32 AM

Originally posted by psycho28 View Post

i wont find gulf here in kolkata, so will have to stay with motul

Are you sure they don't market it there?? Just email or call Gulf Oil if in doubt!

Originally posted by ravs View Post

Hey guys,
Did a little tinkering around today. I adjusted the Air flow screw in the carb today and found that the PHAT-PHAT sound that comes from the exhaust has magically disappeared! The bike now is running more smooth than before and all the RPM variations at idle have disappeared. Even vibrations have decreased a lot! I wonder what those TVS guys do while servicing the bike? Looks like they screw up the setting so that owners keep coming back to them.

Anyways, the bike now feels more smooth and that sound from the exhaust does not come anymore. Mileage still under testing.

Thats exactly what they are good at - screwing up. But I hope you know how to tune it... not at all a good idea to just adjust it randomly!! Its best done with a digital tacho.

**onlinesatish** · 03-13-2009, 04:03 AM

Originally posted by Raccoon View Post

Are you sure they don't market it there?? Just email or call Gulf Oil if in doubt!

Thats exactly what they are good at - screwing up. But I hope you know how to tune it... not at all a good idea to just adjust it randomly!! Its best done with a digital tacho.

Bro....no offence....but are u against all SVC's? coz everytime i see u post only against them!

even am not satisfied with them....but they are not that bad....you just need to find a good svc which has good mechs!

**kk_RTR** · 03-13-2009, 09:16 AM

Originally posted by Tron05 View Post

Anyone here using any sort of Toe gaurd?

I wear a nubuck leather shoes to office.. which is brownish in colour and within 2 months the toe area, used for gear shifting is turning black...anything available in market to avoid this?

hey guys those who face such problems, u can jus put turns of INSULATION turns around the lever....it works absolutely fantastic.....no problems of damage to the shoes....cheers...

**jasmeetsinghchawla** · 03-13-2009, 09:21 AM

Originally posted by psycho28 View Post

no, i am going to use motul..which one to use ? my bike has done 5K till now, so thinking of moving to fully synthetic,,any suggestions ??

This time i have put Castrol Power1 the bike is smoother gearshifts are same as before top end power has improved and vibrations are also less harsh. But the sound from the engine has increased. Before this i used TVS oil from the service center itself. Some times i even felt that service Center didnt change the oil.

**Puneet1** · 03-13-2009, 09:33 AM

Originally posted by ravs View Post

Hey guys,
Did a little tinkering around today. I adjusted the Air flow screw in the carb today and found that the PHAT-PHAT sound that comes from the exhaust has magically disappeared! The bike now is running more smooth than before and all the RPM variations at idle have disappeared. Even vibrations have decreased a lot! I wonder what those TVS guys do while servicing the bike? Looks like they screw up the setting so that owners keep coming back to them.

Anyways, the bike now feels more smooth and that sound from the exhaust does not come anymore. Mileage still under testing.

Can u tell me how is the air screw adjusted ?where is it located ?

**rennycornelius** · 03-13-2009, 09:42 AM

Originally posted by ravs View Post

Hey guys,
Did a little tinkering around today. I adjusted the Air flow screw in the carb today and found that the PHAT-PHAT sound that comes from the exhaust has magically disappeared! The bike now is running more smooth than before and all the RPM variations at idle have disappeared. Even vibrations have decreased a lot! I wonder what those TVS guys do while servicing the bike? Looks like they screw up the setting so that owners keep coming back to them.

Anyways, the bike now feels more smooth and that sound from the exhaust does not come anymore. Mileage still under testing.

so what exactly you did????????
increased the air flow or increased the fuel???????????

**rennycornelius** · 03-13-2009, 09:44 AM

Originally posted by Puneet1 View Post

Can u tell me how is the air screw adjusted ?where is it located ?

the air/fuel mixing screw is located beside the idling screw.......

to increse the fuel rotate it clockwise or "tight" it.....
to increase the air rotate it anticlockwise or "loose" it......

but to come at optimium setting...
tight it fully then start ur bike and make the engine RPM run high by tighting the idling screw fully..
then start opening the mixing screw, the moment you'll be reaching the optimum setting the RPM will boost immidietly.......(this is also best method to tune 2 strokes) tight it half rotation for that "zoonk" (simply little more fuel supply) and your bike will be running on a "perfect" setting....

**chicane1879** · 03-13-2009, 09:55 AM

Fiddling with the air-fuel screw setting is a risky proposition and should be avoided if you are not fully aware of what are you doing.If you want to adjust then show it to an experienced mechanic.I am saying it because i have myself faced the 'music' after altering the settings!!

Renny has given the spot-on procedure but there goes a lot of trial-and-error to get the exact setting!!

**rennycornelius** · 03-13-2009, 09:57 AM

Originally posted by chicane1879 View Post

Fiddling with the air-fuel screw setting is a risky proposition and should be avoided if you are not fully aware of what are you doing.If you want to adjust then show it to an experienced mechanic.I am saying it because i have myself faced the 'music' after altering the settings!!

Renny has given the spot-on procedure but there goes a lot of trial-and-error to get the exact setting!!

completely agree..........

**kauria** · 03-13-2009, 11:40 AM

Originally posted by rennycornelius View Post

the air/fuel mixing screw is located beside the idling screw.......

to increse the fuel rotate it clockwise or "tight" it.....
to increase the air rotate it anticlockwise or "loose" it......

but to come at optimium setting...
tight it fully then start ur bike and make the engine RPM run high by tighting the idling screw fully..
then start opening the mixing screw, the moment you'll be reaching the optimum setting the RPM will boost immidietly.......(this is also best method to tune 2 strokes) tight it half rotation for that "zoonk" (simply little more fuel supply) and your bike will be running on a "perfect" setting....

You ar right but........
What is "zoonk"?
And who will adjust the idil after adjusting the air screw?

**rennycornelius** · 03-13-2009, 11:58 AM

Originally posted by kauria View Post

You ar right but........
What is "zoonk"?
And who will adjust the idil after adjusting the air screw?

here with "zoonk" i meant the power

and with the idle part simple unscrew the the idle screw to get the desired RPM buddy.....

**psycho28** · 03-13-2009, 12:10 PM

Originally posted by jasmeetsinghchawla View Post

This time i have put Castrol Power1 the bike is smoother gearshifts are same as before top end power has improved and vibrations are also less harsh. But the sound from the engine has increased. Before this i used TVS oil from the service center itself. Some times i even felt that service Center didnt change the oil.

+1

i also did the same and found the same

**jasmeetsinghchawla** · 03-13-2009, 12:37 PM

Got the 5th free service done. 12k kms the fuel efficiency figure which had been reduced to around 38 kmpl is now more so like 45 kmpl didnt get the oil changed Power1 which i put is not more than 1200 kms old. The vibrations are lesser after service. The performance has also improved could carry the wheelie longer. Got the new brake oil filled.

**Puneet1** · 03-13-2009, 08:07 PM

Originally posted by rennycornelius View Post

here with "zoonk" i meant the power

and with the idle part simple unscrew the the idle screw to get the desired RPM buddy.....

Where is the idle screw , can anyone put up a pic showing it .i want to richen my mixture as i feel it is a bit lean setting on my bike

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