Classic 150 idle rpm fluctuates 15 mins after ride - xBhp.com : The Global Indian Biking Community

sachin_k5 · 12-02-2009, 04:43 PM

Hi,

I am facing this problem after my last service. I have a 2003 Pulsar 150 (ya its old

!!) its done 36K kms. When i start the bike in the morning the idle rpm is at a comfortable 1800, but 15 mins after riding the rpm rises to 3500 to 4000.

I got the carburetor cleaned, the petrol tank cleaned, checked the air fuel screw but still nothing has worked. Please help !

Aryan · 12-02-2009, 09:42 PM

Query Approved.

Puneet1 · 12-02-2009, 09:52 PM

the idle rpm should be around 1.1 on a cold engine and 1.4 on a warmed up one . are you using right grade oil and is the A/f mix optimum ?

sarbanoxley · 12-02-2009, 10:56 PM

My xtreme had the same problem, the Idle RPM will rise past 2000 after a few Km's, i adjusted the tappet correctly then thing's came back to normal

.

sachin_k5 · 12-03-2009, 10:36 AM

how is the tappet adjusted ? can i do it myself ?

jd666 · 12-03-2009, 01:48 PM

^^ you could, but you need to get them adjusted at the svc centre, using the correct clearance specifications.

vipin_s · 12-03-2009, 02:00 PM

Quote:

Originally Posted by sachin_k5

Hi,

I am facing this problem after my last service. I have a 2003 Pulsar 150 (ya its old

!!) its done 36K kms. When i start the bike in the morning the idle rpm is at a comfortable 1800, but 15 mins after riding the rpm rises to 3500 to 4000.

I got the carburetor cleaned, the petrol tank cleaned, checked the air fuel screw but still nothing has worked. Please help !

I think the carb must be 'tuned' again by expert hands

sachin_k5 · 12-04-2009, 02:22 PM

Thanks folks !! let me get the tappet setting done and get back to you. it will take a few days since i can only do it next weekend.

vulpine · 12-04-2009, 05:14 PM

Quote:

Originally Posted by sachin_k5

Hi,

I am facing this problem after my last service. I have a 2003 Pulsar 150 (ya its old

!!) its done 36K kms. When i start the bike in the morning the idle rpm is at a comfortable 1800, but 15 mins after riding the rpm rises to 3500 to 4000.

I got the carburetor cleaned, the petrol tank cleaned, checked the air fuel screw but still nothing has worked. Please help !

I had this problem with my p150 initially when i fiddled with carb settings....
i took it to BAJAJ SVC
he tuned the carb and the idle rpm is 1000 ALWAYS......
its so silent that its hard to notice if engine is ON....

So get the carb tuned by a good mechanic immediately!!!

sachin_k5 · 12-14-2009, 01:48 PM

Quote:

Originally Posted by sarbanoxley

My xtreme had the same problem, the Idle RPM will rise past 2000 after a few Km's, i adjusted the tappet correctly then thing's came back to normal

.

sarbanoxley, Your suggestion worked. Thanks a lot pal !! Thanks to others too for taking the time to reply.

I got the tappet setting done by a good mechanic in Borivali, Mumbai. Now the engine idles perfectly in the 1000-1200 RPM range. Its so smooth that i have to see the tacho to ensure its running

12-02-2009, 04:43 PM	#1 (permalink)
sachin_k5 Junior Member Join Date: Nov 2009 Posts: 5	Classic 150 idle rpm fluctuates 15 mins after ride Hi, I am facing this problem after my last service. I have a 2003 Pulsar 150 (ya its old !!) its done 36K kms. When i start the bike in the morning the idle rpm is at a comfortable 1800, but 15 mins after riding the rpm rises to 3500 to 4000. I got the carburetor cleaned, the petrol tank cleaned, checked the air fuel screw but still nothing has worked. Please help !

12-02-2009, 09:42 PM	#2 (permalink)
Aryan Senior Member Join Date: Jan 2006 Location: New Delhi/ Shillong Posts: 18,274	Query Approved. __________________ ...in search of that perfect world - My Travel Blog :)

12-02-2009, 09:52 PM	#3 (permalink)
Puneet1 Aut viam inveniam aut faciam Join Date: Apr 2008 Location: Gurgaon Posts: 1,710	the idle rpm should be around 1.1 on a cold engine and 1.4 on a warmed up one . are you using right grade oil and is the A/f mix optimum ? __________________ Bi-xenon Projector Hid up for sale ! click

12-02-2009, 10:56 PM	#4 (permalink)
sarbanoxley Senior Member Join Date: Dec 2008 Location: 110kms from chennai Posts: 700	My xtreme had the same problem, the Idle RPM will rise past 2000 after a few Km's, i adjusted the tappet correctly then thing's came back to normal. __________________ Awesome indian military 9/11-When the rich get struck,the poor march into battle

12-03-2009, 01:48 PM	#6 (permalink)
jd666 Senior Member Join Date: Sep 2009 Location: Gurgaon/Faridabad Posts: 3,390	^^ you could, but you need to get them adjusted at the svc centre, using the correct clearance specifications. __________________ My offerings to the gods of speed - - KTM Duke 200 - Yamaha RXZ 5 speed

12-03-2009, 10:36 AM	#5 (permalink)
sachin_k5 Junior Member Join Date: Nov 2009 Posts: 5	how is the tappet adjusted ? can i do it myself ?

12-04-2009, 02:22 PM	#8 (permalink)
sachin_k5 Junior Member Join Date: Nov 2009 Posts: 5	Thanks folks !! let me get the tappet setting done and get back to you. it will take a few days since i can only do it next weekend.

Thread Tools
Show Printable Version Email this Page
Rate This Thread
Rate This Thread:

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
My pulsar 150 classic	shrigauravraskar	Help Me!	6	10-21-2009 02:45 AM
Help on Rectifier for CBZ Classic	abhilashabhi12	Help Me!	16	10-14-2009 03:32 PM
Zma On Cbz classic	maxx	Help Me!	8	10-05-2009 08:03 PM
K&N for Pulsar 150 classic	shrigauravraskar	Help Me!	6	06-15-2009 02:22 PM
Classic CBZ dead	prateekkaul	News	81	10-15-2008 09:44 AM

Register Now for FREE!
Are you registered on xBhp yet? If not, do so now and start participating to be able to share photos and experiences with other members. It will also enable to you have a chance to be a part of xBhp contests and roadtrips in the future! Username: Password: Confirm Password: E-Mail: Confirm E-Mail: Birthday: Image Verification I agree to forum rules