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**blazing180** · 01-13-2011, 12:00 PM

Noise coming when racing on very high RPM

Hi Guys,
I have noticed a kind of blurring noise...........like..tiiiiiiiiiiirrrrrrrrrrrrrrrr rrrrr
sounds like tappet i think. There is no difference in pickup and not in top speed but i have noticed that when i raise 9000RPM in third gear instantaneously, this kind of sound i am experiencing

But if i raise slowly then it doesnt comes........sounds like my tappet needs to be set or what.
But from my personnal experience, i dont want to adjust tappet, i think a loose tappet doesnt causes any damage. Well the the bike is running smooth, but i fear the SVC guys here are incapable of such critical adjustments.
What say guys ?

**blazing180** · 01-13-2011, 12:02 PM

I dont think so..!

Originally posted by lazyfrog View Post

Have one weird problem , some times when i shift from 3rd to 4th gear after 3 secs it will fall back to 3rd and rpm will shoot to 7k , i feel like there are 2 levels between 3rd and 4th gear i can feel 2 clicks when shifting if i leave at first click it falls back to 3 , anything wrong in gearbox ? I told this to SC but he told it will become smooth after sometime, as its new . but think some things wrong, how can i tell this to SC ? if i tell that this is the issue then only they will fix it

Ask him to take a new bike and show it to you, i always do such tricks on them they always have excuses. I never felt such issues neither the other Bros here in RTR forum faced. Sit on the SVC guy and ask him to fix it

**khush** · 01-13-2011, 01:33 PM

Originally posted by lazyfrog View Post

Have one weird problem , some times when i shift from 3rd to 4th gear after 3 secs it will fall back to 3rd and rpm will shoot to 7k , i feel like there are 2 levels between 3rd and 4th gear i can feel 2 clicks when shifting if i leave at first click it falls back to 3 , anything wrong in gearbox ? I told this to SC but he told it will become smooth after sometime, as its new . but think some things wrong, how can i tell this to SC ? if i tell that this is the issue then only they will fix it

hi..
I have the same problem..but i thot its more bcoz of my fault(half clutch)..
..during servicin i told d guy tat gearshift improper..
n its nt happening since then!!
i wud recomend the same as told by blazing 180
"Sit on the SVC guy and ask him to fix it "

**kantu** · 01-13-2011, 01:42 PM

^^^ Think he wanted to know the term s like clutch plate problem or what ever , even i dont know.

**khush** · 01-13-2011, 01:45 PM

well
my bike refused to start day before yesterday(both KS n SS)..tried the usual method tur off the fuel knob n kick it a few times,
push it n try n start at speed etc..
but nothing helped
finally opened the spark plug!!!!!!!n ohhh it was BLACK..lil carbon deposit...
cleaned it..n voila..it started..was happy to solve the issue myself..but next morning again it refused to start...took it to a mechanik n asked wats wrong wid d spark plug..
n he just manipulated the two pins at the top.....also adjusted the idling rpm..n all is well now...

shud i clean the air filter also...?

the problem now is sometime at the signals the it 'l show idling rpm around 3200-3500rpms!!!!!!!n give a sound like some motor is running....later idling will show back the 1200as idling..
d 2nd servicing was done on 4th jan 2011..since then Iam doing a regular servicing

Pls advice...

**social** · 01-13-2011, 01:53 PM

Originally posted by blazing180 View Post

Hi Guys,
I have noticed a kind of blurring noise...........like..tiiiiiiiiiiirrrrrrrrrrrrrrrr rrrrr
sounds like tappet i think. There is no difference in pickup and not in top speed but i have noticed that when i raise 9000RPM in third gear instantaneously, this kind of sound i am experiencing

But if i raise slowly then it doesnt comes........sounds like my tappet needs to be set or what.
But from my personnal experience, i dont want to adjust tappet, i think a loose tappet doesnt causes any damage. Well the the bike is running smooth, but i fear the SVC guys here are incapable of such critical adjustments.
What say guys ?

I say, don't fix it if it ain't broke

Originally posted by khush View Post

well
my bike refused to start day before yesterday(both KS n SS)..tried the usual method tur off the fuel knob n kick it a few times,
push it n try n start at speed etc..
but nothing helped
finally opened the spark plug!!!!!!!n ohhh it was BLACK..lil carbon deposit...
cleaned it..n voila..it started..was happy to solve the issue myself..but next morning again it refused to start...took it to a mechanik n asked wats wrong wid d spark plug..
n he just manipulated the two pins at the top.....also adjusted the idling rpm..n all is well now...

shud i clean the air filter also...?

the problem now is sometime at the signals the it 'l show idling rpm around 3200-3500rpms!!!!!!!n give a sound like some motor is running....later idling will show back the 1200as idling..
d 2nd servicing was done on 4th jan 2011..since then Iam doing a regular servicing

Pls advice...

You're running a rich mixture. Make it leaner.
And for the 2nd problem, your idling rpm must be set when your engine is warm. Set the idling to 1.2-1.3k when warm and that problem should vanish. Your cold start idling will now hover around the 1k mark.

**blazing180** · 01-13-2011, 02:13 PM

I cant understand

@Social : I say, don't fix it if it ain't broke

I didnt get it ? Are you saying that i am running a richer mixture or i should fix it only when it gets broken?

I am not getting what u r trying to say?

**social** · 01-13-2011, 02:26 PM

Originally posted by blazing180 View Post

@Social : I say, don't fix it if it ain't broke

I didnt get it ? Are you saying that i am running a richer mixture or i should fix it only when it gets broken?

I am not getting what u r trying to say?

I had used the multi quote reply. The second reply is for someone else

As for your problem, don't worry about it. I still say, don't fix it if it ain't broke

**avi91** · 01-13-2011, 03:16 PM

Guys will be going for the 2nd servicing at 2800 kms... which engine oil to use?? i have selected motul 5100 10w40...will it be ok??
and what is the difference between the grade 15w50 & 10w40???

**flyingJian** · 01-13-2011, 03:27 PM

Originally posted by social View Post

Not sure but try spraying with WD40. Worked in my case. After every wash, some water gets stuck inside and creates a mess. If not, the entire thing can be replaced under warranty.

@Social it wasn't a wash, i took my bike to SVC for the gearbearing problem which was later fixed. In my bike they have opened the headlamp assembly to fix a missing screw from the Ignition lock(one screw was missing) and i guess because of all this there was some loose connection.

Took her to SVC today the mech told that although he has tightened the connections but if the issue comes up again than the culprit can be TCI coil(me don't know what is this) which will need to be replaced.

Lets see when the next visit get scheduled

Originally posted by blazing180 View Post

Hi Guys,
I have noticed a kind of blurring noise...........like..tiiiiiiiiiiirrrrrrrrrrrrrrrr rrrrr
sounds like tappet i think. There is no difference in pickup and not in top speed but i have noticed that when i raise 9000RPM in third gear instantaneously, this kind of sound i am experiencing

But if i raise slowly then it doesnt comes........sounds like my tappet needs to be set or what.
But from my personnal experience, i dont want to adjust tappet, i think a loose tappet doesnt causes any damage. Well the the bike is running smooth, but i fear the SVC guys here are incapable of such critical adjustments.
What say guys ?

I too had this kind of issue. When i use to accelerate her hard all of a sudden, she use to give the sound between 7k to 8k RPM.
Got the tappet adjustment in the last bike service and now there is no such sound on hard acceleration.

Originally posted by khush View Post

well
my bike refused to start day before yesterday(both KS n SS)..tried the usual method tur off the fuel knob n kick it a few times,
push it n try n start at speed etc..
but nothing helped
finally opened the spark plug!!!!!!!n ohhh it was BLACK..lil carbon deposit...
cleaned it..n voila..it started..was happy to solve the issue myself..but next morning again it refused to start...took it to a mechanik n asked wats wrong wid d spark plug..
n he just manipulated the two pins at the top.....also adjusted the idling rpm..n all is well now...

shud i clean the air filter also...?

the problem now is sometime at the signals the it 'l show idling rpm around 3200-3500rpms!!!!!!!n give a sound like some motor is running....later idling will show back the 1200as idling..
d 2nd servicing was done on 4th jan 2011..since then Iam doing a regular servicing

Pls advice...

I too had the problem of varying idling RPM, i set the idling RPM in warm engine at around 1.4k and after riding for sometime it hovers between 2k to 2.5k and in cold condition it hovers at 1k or below

, but after getting done the Right A/F mixture setting from SVC now it hovers around 1.4k only in whatever condition.

The jist here is get the right A/F setting done from a good mech.
As per my experience there is no other solution for this .

**chicane1879** · 01-13-2011, 04:24 PM

Originally posted by lijok View Post

Guys,

I'm typing this with a broken heart! My last oil change was done at 25xxx odo. This past weekend, we Kerala xbhpians had a New Year G2G at Munnar hill station. It was a combination of offroading in the middle of forest and high speed cornering through the twisties. It was fun filled two days.

On the way back, after we climbed down from Munnar, the engine started making small knocking-kind of noise, just like that of loose tappet. I thought its just cos of the quick succession of down shift and upshifts combined with hard throttle on the way down the twisties. Called up a mech and he asked to check oil-level. I did, and it showed half way between the low and high mark of the dip stick. So I continued. Half way back to home, another guy suffered a bad puncture. Then I also noticed that the sound had increased a lot. We decided to stop over for the night (it was sunday late night).

On monday morning, took it to nearest TVS SVC, which was just 1km from where we stayed. They said its damage to crank. I was like.. WTH?? They drained the oil, and there was hardly some 100ml left, pitch black. (I've always had reasonable drain quantity, and mostly not even black!! ) That too at < 2k since last oil change. So the poured some oil, and started the engine. My heart broke at the scene that followed. The exhaust was full of smoke!! And those guys confirmed that piston rings, cylinder all are damaged.

They then said the engine needs to be opened up for assessing the extent of damage. Also, as they are sub-dealer they will need quite some time. The service manager there asked them to pour in brand new oil and to take it to my regular SVC and ask if it can be replaced under warranty. They poured 100ml extra oil (the normal TVS mineral oil) and asked me to ride slowly. It took us 3 hours to do 120km of super smooth roads.

Today I took it to my regular SVC. I skipped the fact about the smoke in exhaust, but mentioned the decrease in oil level. Now, their initial analysis is 'some problem with the head, need to open to see'. There are in for a big surprise when they open it up.

Current odo reading is 27135, 10th service as per booklet. Sincerely hoping the impeccable service records will help me getting it done under warranty. Looking back, now I'm glad I did all the services even though I wanted to kill everyone there after each service (it goes without saying their service sucks).

With a broken heart and a busted engine,
Lijo

Feels terrible to hear about your bike's condition. I hope you get the things settled under warranty. Btw, IIRC your bike was breathing through a K&N Filter, is that to blame because an acquaintance of mine faced exactly the same on his P200. And he did get the bore/piston kit under warranty.

**lijok** · 01-13-2011, 04:41 PM

Originally posted by chicane1879 View Post

Feels terrible to hear about your bike's condition. I hope you get the things settled under warranty. Btw, IIRC your bike was breathing through a K&N Filter, is that to blame because an acquaintance of mine faced exactly the same on his P200. And he did get the bore/piston kit under warranty.

No way bro... I've been using the K&N filter since just after second service. The SVC guys have asked me if I have installed one many times, noticing the difference in the exhaust note, but they never had any problems with it. Once I even asked them and they said, no, its fine.

Current problem is due to the mysterious reduction in engine oil... Today SVC guys said, they cannot claim warranty from company with my bike as they will hold on to the fact that I've not replaced engine oil at the SVC. On my request to help in some way, they said they will try giving details of some other new bike. I didnt push them further as I got a feeling that they might skip on replacing some parts (especially the crank) if I push to reduce the overall cost involved. Isnt it better to get everything replaced by paying full than getting only half replaced under warranty?

**gixxer_junkie_m** · 01-13-2011, 05:01 PM

Originally posted by lijok View Post

No way bro... I've been using the K&N filter since just after second service. The SVC guys have asked me if I have installed one many times, noticing the difference in the exhaust note, but they never had any problems with it. Once I even asked them and they said, no, its fine.

Current problem is due to the mysterious reduction in engine oil... Today SVC guys said, they cannot claim warranty from company with my bike as they will hold on to the fact that I've not replaced engine oil at the SVC. On my request to help in some way, they said they will try giving details of some other new bike. I didnt push them further as I got a feeling that they might skip on replacing some parts (especially the crank) if I push to reduce the overall cost involved. Isnt it better to get everything replaced by paying full than getting only half replaced under warranty?

Valve guide or oil seal must have given up.Resulting in oil drinking, leading to the low level of oil ,this leading to crank bearing wear out,rings and bore/piston wear. I have experienced it and when the oil was drained there was hardly 250ml left and on checking the bore/piston and rings there was no oil going past them .It was the valve oil seal which had gone bad.Luckily ,the MOTUL 300VFS was good enough or i was lucky enough to have ridden only in city ,that too for short rides before i noticed oil drinking problem.So bore/piston/rings and crank were fine.

**lijok** · 01-13-2011, 05:07 PM

Originally posted by gixxer_junkie_m View Post

Valve guide or oil seal must have given up.Resulting in oil drinking, leading to the low level of oil ,this leading to crank bearing wear out,rings and bore/piston wear. I have experienced it and when the oil was drained there was hardly 250ml left and on checking the bore/piston and rings there was no oil going past them .It was the valve oil seal which had gone bad.Luckily ,the MOTUL 300VFS was good enough or i was lucky enough to have ridden only in city ,that too for short rides before i noticed oil drinking problem.So bore/piston/rings and crank were fine.

Hmmm.. thats a probable reason. Lucky you. I was in the middle of the long ride when it happened to me. And by the time it was realized, I'd covered almost 150+ kms. And my oil drain quantity was hardly 100ml, and I've been using Motul 300V too...

Btw, did you notice any other symptoms other than the oil level dip? I remember seeing oily deposits in the air box and oily smoke coming from it. (My K&N is directly connected to the carb and the tube to air box removed).

**gixxer_junkie_m** · 01-13-2011, 05:19 PM

Originally posted by lijok View Post

Hmmm.. thats a probable reason. Lucky you. I was in the middle of the long ride when it happened to me. And by the time it was realized, I'd covered almost 150+ kms.
Btw, did you notice any other symptoms other than the oil level dip? I remember seeing oily deposits in the air box and oily smoke coming from it. (My K&N is directly connected to the carb and the tube to air box removed).

I had been noticing oil burning smell from some time and the thing is the smell was there only when the bike was stationary like in signal lights.The problem was i had assumed that the smell was from some other vehicle and then whenever i used to park my bike at the parking lot also ,i used to notice the smell and i assumed it must be from some other bike parked then i began to worry as i began to notice that the common factor was always my bike and to make matters worse i noticed some plastic sticking to the bend pipe and immediately thought it must be the reason for the smell and forgot about it for a few days till i cleaned my bike that is.The smell gets carried away when the bike is moving so it used to appear only when stationary .Then when i checked the plug it was obvious that the oil was entering the combustion chamber and i checked the exhaust too while revving the bike and sure enough there was oily soot on my palm.

The engine was silk smooth and refined when the oil was being burnt so it gave no clue what so ever! If valve train failure happens ,you'll notice engine becoming very noisy.Or in your case if crank bearing goes then the noise will be obvious.But if oil is being drunk,the only indication will be the performance.That is on sudden opening of the throttle the bike won't respond as compression will be leaking.If it is in early stages you won't feel this difference as well as the carbon build up seals up the leak.

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