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**ken cool** · 04-22-2010, 10:12 AM

Help Topic Approved

**ARNandal** · 04-22-2010, 03:36 PM

Thank You

Thank you Mr. Ken Cool for approving my thread.

Take care

**Yasir Qaiyum** · 04-22-2010, 10:28 PM

Hi ARNandal,It took me more than 4 minutes to read this thread... phew...
But I am Eager to answer Your questions.........
1)P180 reaching only 113km/hr is unbelievable.... My p150UG4 reachs 119km/hr.... I think You should go for Motul 300v engine oil... As castrol products are not good for bajaj bikes....
2)The first thing to improve your bikes performance is to tune your carb....
3)Increasing your tyre size may decrease your bikes speed slightly.... Go for MRF zapper tyres...If u still want to increase tyre's breadth go for p180ug4 tyres....
4)K&N rc1060 is good for p180...but yes upjetting should also be done...dont know much about it but, upjetting results in good mixture of fuel & air...
5)Exhaust pipes--- many cheap exhausts are present in market..they just sound good but performance wise pusssssss..... Just once go through-freeflow performance exhaust thread...
I dont know about boring the cylinder to 250cc...... but If you do it you will not get mileage around 45km/ltre
I think that these upgrades(except boring) can be done in 6000/-rs...
Thats all from my side.... rest many will advise

**ARNandal** · 04-22-2010, 11:55 PM

Originally posted by Yasir Qaiyum View Post

Hi ARNandal,It took me more than 4 minutes to read this thread... phew...
But I am Eager to answer Your questions.........
1)P180 reaching only 113km/hr is unbelievable.... My p150UG4 reachs 119km/hr.... I think You should go for Motul 300v engine oil... As castrol products are not good for bajaj bikes....
2)The first thing to improve your bikes performance is to tune your carb....
3)Increasing your tyre size may decrease your bikes speed slightly.... Go for MRF zapper tyres...If u still want to increase tyre's breadth go for p180ug4 tyres....
4)K&N rc1060 is good for p180...but yes upjetting should also be done...dont know much about it but, upjetting results in good mixture of fuel & air...
5)Exhaust pipes--- many cheap exhausts are present in market..they just sound good but performance wise pusssssss..... Just once go through-freeflow performance exhaust thread...
I dont know about boring the cylinder to 250cc...... but If you do it you will not get mileage around 45km/ltre
I think that these upgrades(except boring) can be done in 6000/-rs...
Thats all from my side.... rest many will advise

Couldnt help it. am so bothered about my bike.
Thank you Yasir Qaiyum, thank you a lot.

Which series of MRF Zapper do you suggest dude, I have heard that ZAPPER C is worthless, is it true? And what is meant by 'ug4' in p180ug4. What is the specification of the tyre, will it suit the need I expressed?

Take care
More of your valuable suggestions are whole heartedly welcome.

**ARNandal** · 04-23-2010, 12:08 AM

Am looking forward for more valuable suggestions from you guys....

**ARNandal** · 04-23-2010, 03:13 AM

Originally posted by ARNandal View Post

Couldnt help it. am so bothered about my bike.
Thank you Yasir Qaiyum, thank you a lot.

Which series of MRF Zapper do you suggest dude, I have heard that ZAPPER C is worthless, is it true? And what is meant by 'ug4' in p180ug4. What is the specification of the tyre, will it suit the need I expressed?

Take care
More of your valuable suggestions are whole heartedly welcome.

Hi! Yasir, I just had look at the forum and got my answer to the above doubt.
Dude can I go for a bigger one, an 18" rim (Should both tyres be of same rim size>). will that have an increase in top speed, a little? which tyre size sould I go for on this rim. (I need good road presence and a little wider looks) should I do anything else to settle this fit.
Replies are welcomed from everyone.

**PRANAV D** · 04-23-2010, 03:24 PM

I dont think changing your tyres to 18 will help the cause for top speed. You can use 100/90-17 MRF Zapper C it is a good tyre trust me.Your Eurogrip tyres are the culprits for your bike skidding on water or soil. Stick to your stock tyre size in terms of width. Remember wider tyre means a negative effect on performance and mileage.

Regarding top speed problems you need to get your Carburettor tuned properly. You might be running lean.

After using K & N RC 1060 you will have to upjet(that is use a bigger size main jet for your carburettor). This will cause some increase in power but your mileage might reduce big time.

Regarding engine oil use any synthetic oil like Motul or petronas since castrol products dont always go down well with pulsars. Please reconfirm your engine oil grade with your manual before using any oil.

Important things are- 1.Change your tyres to MRF zappers or any other reputed company like pirelli,Michelin,Ceat etc. but use the same size 100/90-17. Believe me that is the best for your bike.

2. A well tuned Pulsar 180 stock is great to ride in terms of performance and mileage and does 125 easily. THough a real performance gain would come from a free flow exhaust. Check out this link below

4-stroke Performance - Tuned Free-Flow Exhaust

**ARNandal** · 04-24-2010, 03:23 AM

Originally posted by DEvIl$ LAir View Post

I dont think changing your tyres to 18 will help the cause for top speed. You can use 100/90-17 MRF Zapper C it is a good tyre trust me.Your Eurogrip tyres are the culprits for your bike skidding on water or soil. Stick to your stock tyre size in terms of width. Remember wider tyre means a negative effect on performance and mileage.

Regarding top speed problems you need to get your Carburettor tuned properly. You might be running lean.

After using K & N RC 1060 you will have to upjet(that is use a bigger size main jet for your carburettor). This will cause some increase in power but your mileage might reduce big time.

Regarding engine oil use any synthetic oil like Motul or petronas since castrol products dont always go down well with pulsars. Please reconfirm your engine oil grade with your manual before using any oil.

Important things are- 1.Change your tyres to MRF zappers or any other reputed company like pirelli,Michelin,Ceat etc. but use the same size 100/90-17. Believe me that is the best for your bike.

2. A well tuned Pulsar 180 stock is great to ride in terms of performance and mileage and does 125 easily. THough a real performance gain would come from a free flow exhaust. Check out this link below

4-stroke Performance - Tuned Free-Flow Exhaust

Thank you dude.

I tak it as an advice.
How much do u think will I b able to touch with d K&N n d tuned free flow exhaust, if i can score 125kmph now.
And friend I followed d link, he is really awesome.
Take care

**ARNandal** · 04-24-2010, 06:03 AM

[@ DEvIL$ LAir :> What all should be done after installing the new exhaust. Does that mean high air - low fuel mixture?
Will improper tuning of carburetor be the only problem for my too low top speed?]

Hey Guys!!! Whats going on... 87 views and no interest. Did I spell anything wrong?
Yasir Qaiyum and DEvIL$ LAir helped me roll down to a decision on the engine oil, tyre and air filter.
Please help me on points 5 and 6 too.
And will I be able to maintain 140kmph fr 250-300 kms in one stretch, after fitting d filter and tuned free flow exhaust?
I came to know about porting through Joel's thread.
What about boring? Will it affect the cylinders life, as while boring the cylinder thickness reduces.

**PRANAV D** · 04-24-2010, 01:42 PM

Hi once again

1. If you are really after increasing top speed you need to get a Free flow exhaust tuned for the top end. You might achieve 135-140 but sustaining it for a long distance might not be possible as a 180 cc air-cooled engine has its limitations

2. A K&N when fitted will cause a High air low fuel mixture. Thus you have to increase jet size to increase fuel part in the mixture. But by my experience K & N gives good low end torque but would not increase top speed.For top speed as i have mentioned before a free flow exhaust tuned for top end can only do the job

3. So regarding performance mods u seem to be bent on increasing top speed so avoid using a K&N costing abt 2000 and instead put in 4000 to 5000 for a good exhaust

P.S.- Regarding tyres check out pirelli sports demon 110/90 if you get it.

**tanay** · 04-24-2010, 02:54 PM

Reality Check

I'm sorry to pour cold water over your plans, but:

1) Top Speed: 113 (+/- some) , is what a 180 can do. You expecting it to do 135 or 140? Perhaps it might, with some big mods.

2) For long stretches of 400 Km continuously? Its a Pulsar engine. Not going to last long if you do. And 40 Kmpl is a dream

3) Upsize your tires: might work. Installing bigger rims? Make sure you have the clearance, else the tires bump into the bike. Top speed will increase by a very small margin as torque will not be sufficient.

4) Jetting is fine, an air filter is fine. Mileage drop and more engine rebuilds come with it.

5) Exhaust : Joel can make you a good one. The decrease in acceleration can only be due to bigger tyres or a sprocket change, or if the engine is in a bad shape.

Lastly:
Porting,polishing,boring etc etc: I will not say if it is feasible or not. If you do get it done and if it works for you, good.

It is my opinion, and what I feel is, for the kind of performance and handling you are expecting, maybe an R15 or a 250R will make the cut. Possibly a 220. But a 2008 180 is not going to cut it any way you look at it.

Up to you to decide

**ARNandal** · 04-24-2010, 10:00 PM

Originally posted by DEvIl$ LAir View Post

Hi once again

1. If you are really after increasing top speed you need to get a Free flow exhaust tuned for the top end. You might achieve 135-140 but sustaining it for a long distance might not be possible as a 180 cc air-cooled engine has its limitations

2. A K&N when fitted will cause a High air low fuel mixture. Thus you have to increase jet size to increase fuel part in the mixture. But by my experience K & N gives good low end torque but would not increase top speed.For top speed as i have mentioned before a free flow exhaust tuned for top end can only do the job

3. So regarding performance mods u seem to be bent on increasing top speed so avoid using a K&N costing abt 2000 and instead put in 4000 to 5000 for a good exhaust

P.S.- Regarding tyres check out pirelli sports demon 110/90 if you get it.

So you suggest not to go for a K&N ? And which is that exhaust you have mentioned in 4000-5000 range... Should I do anything else after fitting this.

Is that 110/90 pirelli a rear one, which one should I choose for the front. please have a look at the link below from pirellityre and suggest the rim size too.

SPORT DEMON | Motorcycle Tyres | sport_touring Tyres | street Tyres | PIRELLI TYRE

Thanks a lot

for your concern.
Please give me your opinion on tanay's comments.
Take care n ride safe

**ARNandal** · 04-24-2010, 10:27 PM

Originally posted by tanay View Post

I'm sorry to pour cold water over your plans, but:

1) Top Speed: 113 (+/- some) , is what a 180 can do. You expecting it to do 135 or 140? Perhaps it might, with some big mods.

2) For long stretches of 400 Km continuously? Its a Pulsar engine. Not going to last long if you do. And 40 Kmpl is a dream

3) Upsize your tires: might work. Installing bigger rims? Make sure you have the clearance, else the tires bump into the bike. Top speed will increase by a very small margin as torque will not be sufficient.

4) Jetting is fine, an air filter is fine. Mileage drop and more engine rebuilds come with it.

5) Exhaust : Joel can make you a good one. The decrease in acceleration can only be due to bigger tyres or a sprocket change, or if the engine is in a bad shape.

Lastly:
Porting,polishing,boring etc etc: I will not say if it is feasible or not. If you do get it done and if it works for you, good.

It is my opinion, and what I feel is, for the kind of performance and handling you are expecting, maybe an R15 or a 250R will make the cut. Possibly a 220. But a 2008 180 is not going to cut it any way you look at it.

Up to you to decide

Thank you tanay for your interest.

1. please mention those big mods that you think will suit my p180.

2. how much will my mileage be if am going for the top end tuned free flow exhaust, if i maintain 50-060kmph on highways within 5000rpm.

4. What are those engine rebuilds you have mentioned with jetting, please elaborate. I dont know much technically.

When i decide doing porting and boring it would defnitely be Joel who will be working on my bikes, if he agrees.

Please give me more of your valuable suggestions.

Take care dude.

**tanay** · 04-25-2010, 12:07 AM

Well, see, if you would indeed like to mod your P180, then Joel is a great choice. I have not used his services yet but you hear good things about him.Thus the suggestion.

So Joel could get you an exhaust and possibly some mods. The power gain would depend on him, but the mileage will definitely go down. He has done some mods that resulted in a mileage increase but if you rip the bike all the time then you will get around what you got last time: 27 kmpl or so.
Of course, at 50-60 km you will get better FE, once again, depends on mods.

As for rebuilds:
When you put in a free-flowing air filter, more dirt particles can get into the engine and over time this results in more maintenance. The porting/polishing etc etc are debatable subjects in terms of performance increase.

But I'm speaking from little practical experience. Just PM joel and you can ask him about all the mods. He'll advise you on the best mods.

PS: As for the handling you can't do much except put in some R15 tyres.

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