hi,
I have fitted my 180 ug3 modded to a 200, with 200's chain sprocket set.
my top speed is just 117!!! and 10k rpm. I still have a my 180 carb with 117 main jet, wondering if thats affecting the bike. Also i do the ton at 7.9 rpm.

i have done a 128 kmph in a stock p180ug 3
with the mrf vyde

Hi Samarth and all,

Happend to see this thread, and I have a query for my P150 Dtsi V1 spoke ver.

I have changed my swing arm 2 years back due to rust and the mech replaced with the UG2 swing arm or so, I dont know anything about the current chain am using too. I just buy from the Bajaj spares ask for a chain sprocket set for P..V1 and get it replaced at my favorite mech. Does it affect the performance of the bike if I use a non std chain set? Going thru these pages, I smell that I've done something wrong.

I would like to have a litle more initial acceleration as I feel my bike is under powered sometimes especially on signals, even some new 100cc bikes easily zooms off comfortably. I dont care about the top end as I dont race, but would like to have a balance between power and economy as well. Will the new Pulsar 150 Dtsi with 15T/44T be helpful?

Sprockets

I have seen one topic long time ago a detailed information of sprockets front and rear of each and every bike in india. I cant seem to find it can any one help me?

Topic Merged.

@Sat: Here is the thread you were talking about.

Can anyone please upload the Pics for TVS Chain Sprockets Manual.

P180UG3 - Need to customize sprocketing setup.

Hey everyone,

I've got a completely stock (except for a 120/70/17 rear tyre) P180UG3 thats done about 28K kms so far and needs a chain-sprocket change. I used to think it is still performing amazingly well since I could easily outrun other P180UG3's, ZMAs and some P200's in drags; but when I took it to the highway yesterday, I found it struggling to cross 115 (on the digital speedo) with the RPM meter red-lining in 5th gear.

So, I'm thinking its about time I changed the sprocket & chain coz about 3 months ago my mechanic (Castrol bike zone) had said he was adjusting the chain to its last setting and that I'll have to replace it soon.

I was wondering if I could use some of your valuable gyaan on sprocketing to achieve (a) excellent acceleration alongwith (b) acceptable top-end (I distinctly remember touching 119Kmph easily a few months ago with the same setup AND without the RPM meter redlining as well... had to slow down due to an upcoming bend in the road ).

Could it be possible to somehow create a sprocket setup that outperforms the previous setup?

Also I'm a lil confused here about the P180UG3's front sprocket. Does it have 15 teeth or 14? I know the rear has 44.

What if I change the setup to that of the P180UG4 (14F, 39R) or the P200 (14F, 38R)? Would the drop in acceleration (due to the reduced rear) be too much?

Please pour in your suggestions and oblige; N thanks for your time in going through this post.

@ All: Guys, my exams are going on. So, less of Xbhp during these times.

--
@ sat_06: Bro really sorry. Was busy in exams. On 24th, I'll post all the pages of sprocket manual.

--
@ Abdelazeez: Bro, I also have a Pulsar 180 UG3, and it has a STOCK setup of 43/15 teeth. 44 teeth is from the Pulsar 150 UG3's rear, ok?

Both P180 UG4 and P200 have a higher chain pitch (520), compared to your bike's chain (428). So, if you choose them, you would need to change both sprockets and the chain too.
Plus, the gearing effects will be top end biased... Let's compare gearings:-->

43/15 = 2.86 (the stock setup)

39/14 = 2.78 (P180 UG4 setup, biased towards top end, less acceleration)

38/14 = 2.71 (P200 setup, more biased towards top end, even lesser acceleration)

Secondly, you need to give me the following data before we proceed:-->

1. Speed of bike in 5th gear, 4000 rpm, (ride constant for 5 seconds and so, and then give speedo reading there)

2. Count your sprocket teeth carefully again. It might be possible that someone installed a P150 sprocket, which is 44 teeth... Its 43 or 44?

3. Are the clutch plates allright? When were they changed? (When they get weak, revs become higher but resulting in lesser speed. Pulsars have had a weak clutch traditionally.)

After you give me this data, I'll be able to suggest exactly what you need for the purpose... On 24th, after my last exam, I'll reply here...

Guys, I have updated the Sprocket Manual on, 3rd post & 1st Page!! See it here:



It includes manuals of almost all bikes, and the info's interpretation is also given...

NEXT UP: I will update the first post with relevant data for those who are new to sprocketing... It might take some 1-2 weeks for that. I think maybe after the Expo trip...

Man, that was a good summary of info; truly commendable. Thanks a lot bro; I appreciate your time.

Guess what I'd taken the bike to a mechanic's and asked him bout the chain & sprocket condition: his verdict, the chain was still in good (i.e. usable condition) coz there was still about 1/2 inch of the setting left, and the sprocket's OK too. The problem (he said) was that the earlier mechanic had set the chain TOO TIGHT i.e. there wasn't enough 'play' in it and this was causing the rear wheel to run 'tight'; also, the chain had become too dry. He loosened the chain and lubricated it well. The bike now seems to have noticeably better pickup (although I haven't been able to test the top yet coz I haven't had time to hit the highway this whole week... will test it soon and let you know). And somehow I made mistake of quoting 28Kms while the bike had actually clocked 20800 Kms... sorry bout that, I wonder what I was thinking back then. I'll check for the 5th gear 4K RPM thing u mentioend and reply back.

Thanks again bro, its a pleasure to have you for help.

EXCELLENT! Just finished downloading the Bajaj, TVs & Yamaha pics. Great info once again man!

you bajaj guys seem to have lot of options,
for fz owners looking to mod ur bike ,-
i have fitted my fz with 40t sprockets from r15,,fz stock-38t.
the initial pick up as soon as ur blip the throttle is very good now,engine revs more quickly all the way to 5k rpm,bfore it used to struggle to revv,
plus 2 sprockets is more than enough to give ur bike good pick up.dont go over that .
42 t from r15 race kit will also be released soon.

So, R15 and FZ's sprockets are interchangeable? Thanks for sharing the info Anirudh...

You mean "2 teeth" I think. I agree that 2 teeth are enough, given the FZ's torque & the mileage it gives.

How do i check whether my clutch plates are ok or worn out ???
Even i have a similar problem with my uni, it redlines pretty fast and doesnt cross 110. Any suggsetions for me. I run on a 15/42 stock setup.

Signs of Clutch wear:-->

1. Less acceleration from standstill...
2. High revving, but top speed is less...
3. Less overall power, with specially the top rpm's not powerful like earlier,

Clutch Wear happens due to misuse (wheelies, road burnouts, jerky riding, etc),
constant city riding (in heat, or constant gear changing),
excessive tightening of clutch lever wire, which leaves the clutch engaged slightly,
or just plain Clutch "Ageing" (like after 20-30k kms of running).

If your speedo is working fine, then it does seem your clutch plates have a problem.
But I suggest you use them for some 2-3 k kms more. Only when the power loss is very obvious, should the plates be replaced. That's it...