[Help]: Problem with my Karizma - Page 2 - xBhp.com : The Global Indian Biking Community

iamvik · 02-15-2010, 11:02 AM

Have you had the rubber inlet manifold checked for leaks? It is the rubber tube connecting the cylinder head to the the carburettor. If it is leaking, air will be sucked in through the cracks. This could very well be the cause of all your problems. If in doubt, just change it and let us know the results.

vineeth areth · 02-15-2010, 03:13 PM

Quote:

Originally Posted by iamvik

The mechanics are contradicting themselves. If they can't check the integrity of the diaphragm then how can they say that there's no problem? Also the diaphragm can most certainly be replaced. It is a rubber component and is not designed to last indefinitely. I think the service station is just trying to fob you off since investigating a carburettor problem takes time and effort.

I suggest you enquire on xbhp about good, reliable independent mechanics in TVM and go visit one of them. In my experience, most dealer mechanics are good enough only to follow the instructions in the service manual and nothing more.

The problems you have described do not seem to be caused by the air screw. The air screw only controls the mixture at idle and at close to idle speeds.

thank you for the information brother
Riding all the way to TVM is a bit difficult for me But i will be very happy if you point out some trusted mech in Bangalore. since i know the place and at any time i can come down to ban......thank you in advance

iamvik · 02-15-2010, 03:25 PM

Quote:

Originally Posted by vineeth areth

thank you for the information brother
Riding all the way to TVM is a bit difficult for me But i will be very happy if you point out some trusted mech in Bangalore. since i know the place and at any time i can come down to ban......thank you in advance

If you can do some DIY repairs, try to remove the rubber manifold and check for cracks inside and outside. Squeeze the manifold a bit if required. When you replace it, tighten the clamps properly. If you can do this much on your own, you should be able to replace the manifold with a new one, making sure it's a genuine HH part.

Sorry, I mistook your location to be TVM. You should post a msg on the Kerala thread or karizma thread and ask for recommendations on mechanics near to you. As for Blr, I recently returned to Blr after a few years away so I don't know any good mechs here. You could also ask this on the karizma thread.

good luck!

vineeth areth · 02-15-2010, 03:36 PM

Quote:

Originally Posted by iamvik

If you can do some DIY repairs, try to remove the rubber manifold and check for cracks inside and outside. Squeeze the manifold a bit if required. When you replace it, tighten the clamps properly. If you can do this much on your own, you should be able to replace the manifold with a new one, making sure it's a genuine HH part.

Sorry, I mistook your location to be TVM. You should post a msg on the Kerala thread or karizma thread and ask for recommendations on mechanics near to you. As for Blr, I recently returned to Blr after a few years away so I don't know any good mechs here. You could also ask this on the karizma thread.

good luck!

thanx brother for your valuable replays, i will surely check the pipe, i hope the problem is with pipe and if so i wil surely do arrangement to change it once again thanking you a lot........

vineeth areth · 02-18-2010, 12:15 PM

2 days back i met one mechanic and did a complete assessment of bike, we cleaned the carb, did all checkups and even checked timing chain. After all these he just came in to the conclusion that there is some change in tps values since he was not having any instruments(i don't know the name) he couldn't reset the TPS value but he strongly recommended me to check and reset TPS value, he told that there is no such problem with the diaphragm an air screw and 99% he was sure that the problem is with TPS values,

He explained that Bike produces a lot of backfire and that's the reason for sudden stop of engine at lower RPM.

From past one year am listening to these kind of different comments from mechanics and now really don't know weather his findings are correct or not so i need you guys to shed some light on this
Please help

iamvik · 02-18-2010, 02:29 PM

Quote:

Originally Posted by vineeth areth

2 days back i met one mechanic and did a complete assessment of bike, we cleaned the carb, did all checkups and even checked timing chain. After all these he just came in to the conclusion that there is some change in tps values since he was not having any instruments(i don't know the name) he couldn't reset the TPS value but he strongly recommended me to check and reset TPS value, he told that there is no such problem with the diaphragm an air screw and 99% he was sure that the problem is with TPS values,

He explained that Bike produces a lot of backfire and that's the reason for sudden stop of engine at lower RPM.

From past one year am listening to these kind of different comments from mechanics and now really don't know weather his findings are correct or not so i need you guys to shed some light on this
Please help

AFAIK, the TPS doesn't store any settings and therefore there's nothing to reset. Either it works or it doesn't. If it doesn't, it has to be replaced.

To test his theory, see if you could borrow a friend's Karizma TPS and fit it on yours. If that works, then you'll have the solution.

Another way to check would be to use an ignition timing light and check whether the ignition advance is working correctly. For this, the mechanic must have the right tools and knowledge. Visit a good mechanic or write to HH complaining about the problem so that they help.

vineeth areth · 02-18-2010, 02:39 PM

Quote:

Originally Posted by iamvik

AFAIK, the TPS doesn't store any settings and therefore there's nothing to reset. Either it works or it doesn't. If it doesn't, it has to be replaced.

To test his theory, see if you could borrow a friend's Karizma TPS and fit it on yours. If that works, then you'll have the solution.

Another way to check would be to use an ignition timing light and check whether the ignition advance is working correctly. For this, the mechanic must have the right tools and knowledge. Visit a good mechanic or write to HH complaining about the problem so that they help.

thank you Brother i am waiting for my friend to come down with his bike so that can check with his carb....

What may be the reason for back fire?

iamvik · 02-18-2010, 10:04 PM

Quote:

Originally Posted by vineeth areth

thank you Brother i am waiting for my friend to come down with his bike so that can check with his carb....

What may be the reason for back fire?

Back firing could be because of various factors of which ignition is one. So it's difficult to say what the cause could be in your bike.

Coplay@180 · 02-19-2010, 11:13 AM

Quote:

Originally Posted by vineeth areth

2 days back i met one mechanic and did a complete assessment of bike, we cleaned the carb, did all checkups and even checked timing chain. After all these he just came in to the conclusion that there is some change in tps values since he was not having any instruments(i don't know the name) he couldn't reset the TPS value but he strongly recommended me to check and reset TPS value, he told that there is no such problem with the diaphragm an air screw and 99% he was sure that the problem is with TPS values,

He explained that Bike produces a lot of backfire and that's the reason for sudden stop of engine at lower RPM.

From past one year am listening to these kind of different comments from mechanics and now really don't know weather his findings are correct or not so i need you guys to shed some light on this
Please help

Hi Vineeth.
Looks like I have a similar problem.
Can you tell me about this Mechanic u visited? I would like to see him as well.
And I dont understand what TPS means.

Quote:

Originally Posted by vineeth areth

thank you Brother i am waiting for my friend to come down with his bike so that can check with his carb....

I could offer to SWAP the parts for testing purposes. That way even I can find out what's wrong in my bike.

Race_Developed · 02-19-2010, 08:15 PM

Dudes...same problem here.
I have the exact same trouble and it all started when my air mixture screw was stolen. Its now replaced but dut to unavailability of parts at HH i had to go in for a local one and i dont think its doing any good.

The bike is not going above 100 and takes a while for the rpm to drop.The rpm if adjusted below 1500 kills the engine,so am forced to maintain a higher idel rpm.
Its got to be the carb or the manifolds thats at fault.I am planing to do a DIY thingy on the carb someday.Will update you if i could find out something.

I have written a million times to HH but no reply or action taken.

02-18-2010, 12:15 PM	#15 (permalink)
vineeth areth RockET RideR Join Date: Jan 2010 Location: Kannur <=> Bangalore Posts: 440	2 days back i met one mechanic and did a complete assessment of bike, we cleaned the carb, did all checkups and even checked timing chain. After all these he just came in to the conclusion that there is some change in tps values since he was not having any instruments(i don't know the name) he couldn't reset the TPS value but he strongly recommended me to check and reset TPS value, he told that there is no such problem with the diaphragm an air screw and 99% he was sure that the problem is with TPS values, He explained that Bike produces a lot of backfire and that's the reason for sudden stop of engine at lower RPM. From past one year am listening to these kind of different comments from mechanics and now really don't know weather his findings are correct or not so i need you guys to shed some light on this Please help __________________ Emergency Medicine and Management My Karizma R(Rocket) YouTube FaceBook Twitter I know my imperfections, & there lies all my strength, because it's rare for human-being to know his own limitations. Last edited by vineeth areth; 02-18-2010 at 12:25 PM.

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02-15-2010, 11:02 AM	#11 (permalink)
iamvik Senior Member Join Date: Oct 2009 Location: Bengaluru Posts: 287	Have you had the rubber inlet manifold checked for leaks? It is the rubber tube connecting the cylinder head to the the carburettor. If it is leaking, air will be sucked in through the cracks. This could very well be the cause of all your problems. If in doubt, just change it and let us know the results.

02-19-2010, 08:15 PM	#20 (permalink)
Race_Developed COME get SOME Join Date: Nov 2005 Location: Bangalore,Karnataka Posts: 190	Dudes...same problem here. I have the exact same trouble and it all started when my air mixture screw was stolen. Its now replaced but dut to unavailability of parts at HH i had to go in for a local one and i dont think its doing any good. The bike is not going above 100 and takes a while for the rpm to drop.The rpm if adjusted below 1500 kills the engine,so am forced to maintain a higher idel rpm. Its got to be the carb or the manifolds thats at fault.I am planing to do a DIY thingy on the carb someday.Will update you if i could find out something. I have written a million times to HH but no reply or action taken.

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