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**Aneesh@4GHz** · 10-29-2011, 02:35 PM

Originally posted by itssaurabh.negi View Post

will anybody tell me the actual reason or the suspected one

Yours is not this case.You bike was running fine before,so not overtighted tappets.

**itssaurabh.negi** · 10-29-2011, 02:44 PM

Originally posted by Aneesh@4GHz View Post

Yours is not this case.You bike was running fine before,so not overtighted tappets.

i am unable to understand why RPM is slowing by itself no matter how much i increase my idle RPM. i tried it setting @ 3000 RPM but its till slows ans finally stalls

**Aneesh@4GHz** · 10-29-2011, 02:45 PM

Originally posted by itssaurabh.negi View Post

i am unable to understand why RPM is slowing by itself no matter how much i increase my idle RPM. i tried it setting @ 3000 RPM but its till slows ans finally stalls

Are you sure that choke is in off position?

**itssaurabh.negi** · 10-29-2011, 03:28 PM

Originally posted by Aneesh@4GHz View Post

Are you sure that choke is in off position?

yes aneesh,its off. RPM needle is oscilatting and finally stalling slowly slowly no matter how high i set its IDLE RPM. can there be any sludge in Carbeurator as i came from a dusty road few days back.that should be the only reason i suspect from my knowledge

**Aneesh@4GHz** · 10-29-2011, 03:36 PM

Originally posted by itssaurabh.negi View Post

yes aneesh,its off. RPM needle is oscilatting and finally stalling slowly slowly no matter how high i set its IDLE RPM. can there be any sludge in Carbeurator as i came from a dusty road few days back.that should be the only reason i suspect from my knowledge

I dont think there will be dirt in carburetor as petrol has no direct contact with surroundings you have ridden.Check Air Filter for dirt.Any adulterated fuel issues?

**itssaurabh.negi** · 10-29-2011, 03:42 PM

Originally posted by Aneesh@4GHz View Post

I dont think there will be dirt in carburetor as petrol has no direct contact with surroundings you have ridden.Check Air Filter for dirt.

Checked/cleaned airfilter yesterday.dirt was there but not that much.

Any adulterated fuel issues?

I guess u got the point. i had filled from a NOT A GOOD KNOWN petrol pump few days back(as other ones were closed due to diwali's celebration). This might be the case. BTW how would a adulterated fuel would cause such an effect . i hope this is the reason behind all this.

i feel as if something is blocking Air/fuel flow to my engine and finally stalling it if throttle not given.

**Aneesh@4GHz** · 10-29-2011, 04:00 PM

Originally posted by itssaurabh.negi View Post

I guess u got the point. i had filled from a NOT A GOOD KNOWN petrol pump few days back(as other ones were closed due to diwali's celebration). This might be the case. BTW how would a adulterated fuel would cause such an effect . i hope this is the reason behind all this.

i feel as if something is blocking Air/fuel flow to my engine and finally stalling it if throttle not given.

Need experts help here.

PSR Sir,Help please.

**psr** · 10-29-2011, 04:15 PM

Originally posted by Aneesh@4GHz View Post

Need experts help here.

PSR Sir,Help please.

Adulterated petrol or petrol with water can cause this kind of problem.esp., when the petrol is at reserve level...to find out you have to do the following,
1. Keep the petrol tap open,and attach a thin tube to the Carburetor bowl drain nipple.
2. place this tube inside a 500ml Transparent pet bottle.
3. Open the bowl drain screw and wait for the bottle to fill to HALF level and close Petrol tap.
4. Now inspect the content in the Pet bottle..
If there is water you will see it...if it is not there then you have to check proper seating of choke stub on Carb and proper closing of choke valve....
Check loose contact of the CDI connector,and Spark plug cap.

**itssaurabh.negi** · 10-29-2011, 04:29 PM

Thanks Sir!!

Originally posted by psr View Post

Adulterated petrol or petrol with water can cause this kind of problem.esp., when the petrol is at reserve level...to find out you have to do the following,
1. Keep the petrol tap open,and attach a thin tube to the Carburetor bowl drain nipple.

if i m not wrong Carburetor bowl drain nipple is that pipe hanging below engine .

2. place this tube inside a 500ml Transparent pet bottle.
3. Open the bowl drain screw and wait for the bottle to fill to HALF level and close Petrol tap.

Also IMO bowl drain screw is that small sized screw around RPM Adjusting knob ,correct me if i m wrong ?? (attached picture).
btw why is that screw/pipe for? can i use that fuel again ??

4. Now inspect the content in the Pet bottle..
Will check and revert

If there is water you will see it...if it is not there then you have to check proper seating of choke stub on Carb and proper closing of choke valve....
Would u please throw some light on the same or a link would be as much helpful.

Check loose contact of the CDI connector,and Spark plug cap.
Spark plug is firm,have to check it from inside though. cant comment on CDI,actually dont know anything bout it. Is it there in our cbz-x 2011 ??

PSR sir, thanx for APPEARING

!! i never expected of such an instant reply from u

. Experienced members like u beside us always encourage us to do/explore something new from our own. Thanx 4 being there !!

Regards

**psr** · 10-29-2011, 04:49 PM

Originally posted by itssaurabh.negi View Post

PSR sir, thanx for APPEARING

!! i never expected of such an instant reply from u

. Experienced members like u beside us always encourage us to do/explore something new from our own. Thanx 4 being there !!
Regards

Yes you are right about the drain screw and the black tube underneath it is the tube I was referring to..Place the tube into a transparent 500ml pet bottle and open the screw to let petrol from the bowl to flow and collect in the bottle. When you have half bottle level close the petrol tap and inspect the contents of the bottle..If you don't see water then you can pour it back in to the petrol tank.
No need to thank me...I am happy, if any of my opinion helps Xbhpians here.

**Aneesh@4GHz** · 10-29-2011, 04:57 PM

Thanking god for giving us experts like PSR Ji.

Thanks for the reply sir.

**itssaurabh.negi** · 10-29-2011, 05:15 PM

Originally posted by psr View Post

inspect the contents of the bottle..If you don't see water then you can pour it back in to the petrol tank.
Checked it right now, didnt find anything suspicious though.that fellow is not recommended for filling fuel by most of us but i had to due to emergency .SHould i change all of my petrol right now or should i continue with it.

No need to thank me...I am happy, if any of my opinion helps Xbhpians here.

enough modesty sir!!

btw i'm still not clear about the real culprit

**psr** · 10-29-2011, 05:22 PM

Originally posted by itssaurabh.negi View Post

enough modesty sir!!

btw i'm still not clear about the real culprit

Pour a little of the petrol on to a white paper and also on a clean Stainless steel plate...see what happens when petrol evaporates..if there are any residue which does not evaporate or yellowish deposit left over...you have adulteration..see if the petrol in bottle is pinkish Red or Yellowish Red..
Check your plug color and condition.

**girimajiananth** · 10-29-2011, 07:53 PM

hmm... i had a similar problem, but the rpms kept increasing till 7k rpms and when i tried adjusting the carb , the engine would choke and stall. I had to ride all the way till the service center shifting gears at high rpms .

The mechanic said there could be a problem with the choke line . He rectified it but did not give a valid explanation about the problem. It was fine after that service

**Aneesh@4GHz** · 10-29-2011, 07:55 PM

I think this is some problem related to the choke.

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