[Help]: Problem with my Karizma

iamvik replied

02-15-2010, 11:58 AM
Originally posted by vineeth areth View Post

hi Brother,
As you suggested i went to HH svc(Kannur) and enquired about checking diaphragm of the throttle for damage and correct sealing, But they said its not possible for them to check the diaphragm for damage and they assured me that there is no problem with its sealing.. THEY even told that there is no replacement for a damaged diaphragm, once its damaged then there is no other way other than changing the whole carb am really depressed now plz give some solution..... thank you in advance.....

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.
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fohimuddin replied

02-14-2010, 11:30 PM
dude the problem is with the mixture screw.i too had the same problem with my cbz extreme,but the service center could not solve it.one local mech solved the problem by tuning it correctly.now its fine.also double check that there is no leakage in the hose pipe running from you crab to the head,sometimes it also matters.
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vineeth aredath replied

02-14-2010, 11:15 PM
Originally posted by kurtrules View Post

Looks to be a carb tuning issue. Get it tuned properly. When you got the carb cleaned, did you get the carb slide (air/fuel mixture control) inspected? Also check the idle RPM setting.

thank you brother for your valuable information,
yes i cleaned the carb last month and i don't know anything much. I had seen those SVC guys removing the carb and cleaning thats all..... they even checked the air screw and was fine.....
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vineeth aredath replied

02-14-2010, 11:07 PM
Originally posted by iamvik View Post

Your problem sounds like a sticky throttle. You said the carburettor has already been cleaned. Have you checked the throttle cable and choke cable for smooth operation?

The karizma has a CV carb. Get the diaphragm of the throttle checked for damage and correct sealing. If I remember correctly, the carburettor also has an accelerator pump device. Check it's diaphragm too for leakage.

Let us know if this helps.

hi Brother,
As you suggested i went to HH svc(Kannur) and enquired about checking diaphragm of the throttle for damage and correct sealing, But they said its not possible for them to check the diaphragm for damage and they assured me that there is no problem with its sealing.. THEY even told that there is no replacement for a damaged diaphragm, once its damaged then there is no other way other than changing the whole carb am really depressed now plz give some solution..... thank you in advance.....
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jd666 replied

02-08-2010, 03:50 PM
im guessing the slide is not moving smoothly.. get your carb opened, and opened completely... and cleaned and serviced...
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kurtrules replied

02-08-2010, 03:46 PM
Looks to be a carb tuning issue. Get it tuned properly. When you got the carb cleaned, did you get the carb slide (air/fuel mixture control) inspected? Also check the idle RPM setting.
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vineeth aredath replied

02-08-2010, 03:00 PM
Originally posted by iamvik View Post

Your problem sounds like a sticky throttle. You said the carburettor has already been cleaned. Have you checked the throttle cable and choke cable for smooth operation?

The karizma has a CV carburettor. Get the diaphragm of the throttle checked for damage and correct sealing. If I remember correctly, the carburettor also has an accelerator pump device. Check it's diaphragm too for leakage.

Let us know if this helps.

hi iamvik thank you for your valuable information brother

Brother i changed my throttle cable recently and it is smooth enough But i haven't did anything with my choke. Few days back i approached the service center with the same problem and this time they told me to change the insulator since the part was not available i couldn't change it. Then i would like to know is there any problem with my air screw Because one year before i had an issue where the screw got stuck in carburettor and service center guys gave it to some local shop to remove the screw this happened long back and everything was fine after that.
thank you in advance

Last edited by vineeth aredath; 02-08-2010, 03:13 PM.
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iamvik replied

02-07-2010, 11:39 PM
Your problem sounds like a sticky throttle. You said the carburettor has already been cleaned. Have you checked the throttle cable and choke cable for smooth operation?

The karizma has a CV carb. Get the diaphragm of the throttle checked for damage and correct sealing. If I remember correctly, the carburettor also has an accelerator pump device. Check it's diaphragm too for leakage.

Let us know if this helps.
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Aryan replied

02-07-2010, 11:19 PM
Query Approved.

@Vineeth: Please avoid using SMS lingo while posting on xBhp. We do not approve of such language, here.
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vineeth aredath started a topic [Help]: Problem with my Karizma

02-07-2010, 09:56 PM
[Help]: Problem with my Karizma

guys plz help, From past 6k am having the listed problem with my karizma r(2007)

1.Bikes RPM is not stable n often goes +1000RPm or even higher from ideal

2.once accelerated bike takes a long time to come down in normal RPM and RPM needle comes down step by step rather than usual smooth decline and each step is followed with some 'Dub' sound(some sound resemble to the closure of some valves, but am not sure) from carb

3.Sometimes following this sound bike's engine stops

I haven't did any mod to ma carb but have a k$n ru0200 air filter installed on my bike and i don't thing the problem is with ma filter because i had same or even severe form of same with ma stock filter
As said before, i have the problem from past 6K and i met lot's of mechanics in both Kannur(Kerala) and Bangalore including 2 Hero Honda service center many times, even i cleaned my carb twice but nothing changed
Few of the mech says the problem s wit the chock but the showroom guys says noo.. last week a showroom guy hardly managed this problem but within a couple of kms again the same problem started am really fed up with this.....

plz help...

Last edited by vineeth aredath; 03-24-2010, 12:41 AM.
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