P-220 choking issues - xBhp.com : The Global Indian Biking Community

ron_7933 · 12-24-2011, 02:42 AM

Hi guys!

I am facing a problem with my P-220 Carb (Jan '10 model, 25k done). I really cant figure out the source of the problem, and unfortunately nor can the service centre guys.

I did a quick dash upto Chakrata from Delhi a couple of weeks back. On the highway, as soon as i revved the bike beyond the 6k mark/90kmph the rpm needle immediately shoots upto the 12k mark and the bike starts missing, to the extent that the engine nearly stalls if the throttle is not decreased after a few minutes. Never faced this problem in the city coz one hardly goes above 80 in the city limits during day to day usage.

I took the bike to the Bajaj service centre in Yamunagar but they couldn't figure out the problem. The service centre guys in Noida reckon it had something to do with water droplets in the carb, which as per them was rectified. But the problem still persists

I hope i'm making some sense here. Would appreciate if someone could throw some light on this

sunilg · 12-24-2011, 12:05 PM

Query approved.

Abhijeet Bhattacharjee · 12-24-2011, 01:06 PM

Quote:

Originally Posted by ron_7933

Hi guys!

I am facing a problem with my P-220 Carb (Jan '10 model, 25k done). I really cant figure out the source of the problem, and unfortunately nor can the service centre guys.

I did a quick dash upto Chakrata from Delhi a couple of weeks back. On the highway, as soon as i revved the bike beyond the 6k mark/90kmph the rpm needle immediately shoots upto the 12k mark and the bike starts missing, to the extent that the engine nearly stalls if the throttle is not decreased after a few minutes. Never faced this problem in the city coz one hardly goes above 80 in the city limits during day to day usage.

I took the bike to the Bajaj service centre in Yamunagar but they couldn't figure out the problem. The service centre guys in Noida reckon it had something to do with water droplets in the carb, which as per them was rectified. But the problem still persists

I hope i'm making some sense here. Would appreciate if someone could throw some light on this

check the spark plug cables under the tank, mine had a same prob above 80kmph, the left sparkplug socket had gone loose which due to vibes at >80kmph was not firing properly & the RPM shot past the redline.

ron_7933 · 12-26-2011, 11:01 PM

That was the first thing i checked. Got the plugs removed and cleaned enroute, but to no avail

vickks · 12-26-2011, 11:14 PM

Same issue I had past few months. My problem was bike chokes when its taken to good speeds. By the time I do 100+, it starts choking as if petrol's empty. But I can still do triple digits but makes hiccups. Local mechanics said its tuning problem. Got it tuned by them and the mileage reduced drastically. Then I tuned it myself. The problem by then turned severe. If I redline or even go past 8k rpm in each gear, by the time I take on the 5th gear, the engine stalls. It wont start for the next few mins. Gave my bike for 3rd service after few days and told them to drain carb, clean tank n fuel lines. Problem vanished after that. So I guess either the jet is clogged or fuel lines are choked which prohibits the entry of the required quantity of petrol required for high rpms. No idea about the spark plug thing.

nirban885 · 12-27-2011, 02:30 AM

okay, had this problem in my pulsar 135 few months back. solved it thanks to NINAD here.

if im not wrong, the the airhole inside ur feul tank is getting choked. That is the main problem.
When u get the same feeling of choking/fuel runnig out at high speed, quickly shift ur fuel supply to RESERVE. I am sure that it wil continue running as it still happens to me now. Just run in for a couple of kilometres and then shift the fuel supply to normal again.

If you are late and the bike stops(as you mentioned), then just open the fuel tank lid. wait for 2 seconds. shut it and start! you should be running again.

I.S.Avinash · 12-27-2011, 09:22 AM

Quote:

Originally Posted by ron_7933

Hi guys!

I am facing a problem with my P-220 Carb (Jan '10 model, 25k done). I really cant figure out the source of the problem, and unfortunately nor can the service centre guys.

I did a quick dash upto Chakrata from Delhi a couple of weeks back. On the highway, as soon as i revved the bike beyond the 6k mark/90kmph the rpm needle immediately shoots upto the 12k mark and the bike starts missing, to the extent that the engine nearly stalls if the throttle is not decreased after a few minutes. Never faced this problem in the city coz one hardly goes above 80 in the city limits during day to day usage.

I took the bike to the Bajaj service centre in Yamunagar but they couldn't figure out the problem. The service centre guys in Noida reckon it had something to do with water droplets in the carb, which as per them was rectified. But the problem still persists

I hope i'm making some sense here. Would appreciate if someone could throw some light on this

To My knowledge it may be the issue because of improper tuning, or try to change the fuel station I prefer using speed Petrol for P220 but most people say normal petrol is more than enough, once again just check the tuning bro

Abhijeet Bhattacharjee · 12-27-2011, 09:29 PM

Quote:

Originally Posted by nirban885

okay, had this problem in my pulsar 135 few months back. solved it thanks to NINAD here.

if im not wrong, the the airhole inside ur feul tank is getting choked. That is the main problem.
When u get the same feeling of choking/fuel runnig out at high speed, quickly shift ur fuel supply to RESERVE. I am sure that it wil continue running as it still happens to me now. Just run in for a couple of kilometres and then shift the fuel supply to normal again.

If you are late and the bike stops(as you mentioned), then just open the fuel tank lid. wait for 2 seconds. shut it and start! you should be running again.

+1 to that

Today I got the same problem rectified, they chap removed the whole fuel knob (reserve knob) from the tank, there are 2 pipes of unequal lengths attached with the fuel knob which stays inside the tank, he said it gets clogged because of dirt in fuel. He cleaned it & its working fine now, I tested it at 90+kmph.
Hope this helps.

nirban885 · 12-28-2011, 12:23 AM

Quote:

Originally Posted by Abhijeet Bhattacharjee

+1 to that

Today I got the same problem rectified, they chap removed the whole fuel knob (reserve knob) from the tank, there are 2 pipes of unequal lengths attached with the fuel knob which stays inside the tank, he said it gets clogged because of dirt in fuel. He cleaned it & its working fine now, I tested it at 90+kmph.
Hope this helps.

yup man....it was a nightmare for me til i solved it

ron_7933 · 12-28-2011, 11:08 AM

I took it to the service centre. They reckon cleanin the fuel line and carb might solve the issue. Lets see what developments take place.

12-24-2011, 02:42 AM	#1 (permalink)
ron_7933 roAdbl/-\z3r Join Date: Jan 2009 Location: Halfway between the road n da starz :D Posts: 109	P-220 choking issues Hi guys! I am facing a problem with my P-220 Carb (Jan '10 model, 25k done). I really cant figure out the source of the problem, and unfortunately nor can the service centre guys. I did a quick dash upto Chakrata from Delhi a couple of weeks back. On the highway, as soon as i revved the bike beyond the 6k mark/90kmph the rpm needle immediately shoots upto the 12k mark and the bike starts missing, to the extent that the engine nearly stalls if the throttle is not decreased after a few minutes. Never faced this problem in the city coz one hardly goes above 80 in the city limits during day to day usage. I took the bike to the Bajaj service centre in Yamunagar but they couldn't figure out the problem. The service centre guys in Noida reckon it had something to do with water droplets in the carb, which as per them was rectified. But the problem still persists I hope i'm making some sense here. Would appreciate if someone could throw some light on this

12-24-2011, 12:05 PM	#2 (permalink)
sunilg Super Moderator Join Date: Apr 2004 Location: Ghaziabad, UP, India. Posts: 5,075	Query approved. __________________ (Been There Done That) x 3.25 Join xBhp On

12-27-2011, 02:30 AM	#6 (permalink)
nirban885 The DeViL Unleashed Join Date: Jan 2011 Location: Kolkata Posts: 54	okay, had this problem in my pulsar 135 few months back. solved it thanks to NINAD here. if im not wrong, the the airhole inside ur feul tank is getting choked. That is the main problem. When u get the same feeling of choking/fuel runnig out at high speed, quickly shift ur fuel supply to RESERVE. I am sure that it wil continue running as it still happens to me now. Just run in for a couple of kilometres and then shift the fuel supply to normal again. If you are late and the bike stops(as you mentioned), then just open the fuel tank lid. wait for 2 seconds. shut it and start! you should be running again. __________________ The Devil's Rides.... Bajaj Pulsar 135LS '10 Bajaj Xcd 125 Dts-si '08 Yamaha Rx-100 '05 The Distance between Success & failure can only be measured by one's DESIRE.... Last edited by nirban885; 12-27-2011 at 02:32 AM.

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12-26-2011, 11:01 PM	#4 (permalink)
ron_7933 roAdbl/-\z3r Join Date: Jan 2009 Location: Halfway between the road n da starz :D Posts: 109	That was the first thing i checked. Got the plugs removed and cleaned enroute, but to no avail

12-26-2011, 11:14 PM	#5 (permalink)
vickks Senior Member Join Date: May 2010 Location: Guwahati <<-> Mysore Posts: 286	Same issue I had past few months. My problem was bike chokes when its taken to good speeds. By the time I do 100+, it starts choking as if petrol's empty. But I can still do triple digits but makes hiccups. Local mechanics said its tuning problem. Got it tuned by them and the mileage reduced drastically. Then I tuned it myself. The problem by then turned severe. If I redline or even go past 8k rpm in each gear, by the time I take on the 5th gear, the engine stalls. It wont start for the next few mins. Gave my bike for 3rd service after few days and told them to drain carb, clean tank n fuel lines. Problem vanished after that. So I guess either the jet is clogged or fuel lines are choked which prohibits the entry of the required quantity of petrol required for high rpms. No idea about the spark plug thing.

12-28-2011, 11:08 AM	#10 (permalink)
ron_7933 roAdbl/-\z3r Join Date: Jan 2009 Location: Halfway between the road n da starz :D Posts: 109	I took it to the service centre. They reckon cleanin the fuel line and carb might solve the issue. Lets see what developments take place.

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