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**chief ashman** · 01-11-2011, 04:18 PM

Originally posted by abhilashabhi12 View Post

@ all

I have a query, my TVS fiero Classic 2002 model.

for the past 6 yrs my fiero is with 100/90-18(MRF zapper Y ) on Classic pulsar 180 Rim.

I am planning to get back to 3.00x18 ( stock size) since their isn't much space after putting 100/90-18 & also removing the tyre for fixing puncture is a tedious task.

I was wondering what are the advantages or disadvantages of putting 3.00x18 on classic pulsar 180 rim,

I managed to see what is the rim size & all I could find is 2.50x18 - I am not sure if this is the exact rim size.

Pour in your thoughts

==========================================

I wanted to put in a fatter rear tyre too ... the mech was not too keen, saying there would be a drop in mileage and other blah blah. So he got me a 3.00 x 18. It has been ok ... I suppose that is the stock size... just the dent in the ego of not owning a fatter rear probably.

I'm not too sure about your case ... I don't feel that would be a good approach.

**abhilashabhi12** · 01-11-2011, 04:19 PM

Originally posted by chief ashman View Post

Guys, I am currently running a 13 / 40 setup ... did not know anything about sprockets and its effect on the gear ratios and speed. Just bought whatever I got ... Insisting on Genuine!!!. I suppose the guy gave me F2 sprockets. OEM, Genuine TVS etc were written ... so I bought it. Did not even bother to count the teeth until Gixxer told me.

Feedback..........
I guess the initial pickup has not dropped as it still has 13 front. I have also not tested the bike to the max speed with this setup... I feel cruising at 80+ will not be a problem. It's just that the chain needs tightening visits to the mech's every two week or so ... though the frequency has dropped now after readjusting and tightening the front sprocket.

Requesting your views ....
What can be the outcome of a 40T rear? drop in speed, effect on cruising etc... I have no idea.

@ Chief

Increasing 1 teeth in rear will not make much difference, if you want to see the real difference you will need to increase 1 teeth at front or at least 3 teeth @ rear

Try putting 14t front GB sprocket from yamaha Crux ( costs 105rs)

**gixxer_junkie_m** · 01-11-2011, 04:20 PM

Originally posted by chief ashman View Post

Guys, I am currently running a 13 / 40 setup ... did not know anything about sprockets and its effect on the gear ratios and speed. Just bought whatever I got ... Insisting on Genuine!!!. I suppose the guy gave me F2 sprockets. OEM, Genuine TVS etc were written ... so I bought it. Did not even bother to count the teeth until Gixxer told me.

Feedback..........
I guess the initial pickup has not dropped as it still has 13 front. I have also not tested the bike to the max speed with this setup... I feel cruising at 80+ will not be a problem. It's just that the chain needs tightening visits to the mech's every two week or so ... though the frequency has dropped now after readjusting and tightening the front sprocket.

Requesting your views ....
What can be the outcome of a 40T rear? drop in speed, effect on cruising etc... I have no idea.

1. Drop in top-end.

2.Shorter gearing =less engine life. (not much in your case as it's just 1 tooth)

3. Shorter clutch life.

4.More engine vibes.

5. Less chain-sprocket life.

**abhilashabhi12** · 01-11-2011, 04:22 PM

Originally posted by chief ashman View Post

==========================================

I wanted to put in a fatter rear tyre too ... the mech was not too keen, saying there would be a drop in mileage and other blah blah. So he got me a 3.00 x 18. It has been ok ... I suppose that is the stock size... just the dent in the ego of not owning a fatter rear probably.

I'm not too sure about your case ... I don't feel that would be a good approach.

Well mine has 100/90-18 for a long time now, except for very little space after putting tyre & bit of difficulty in removing while fixing puncture their is none problem what so ever.

Infact the good thing is bike feels planted @ high speeds due to more contact patch, but I need mileage & I am sure by putting 3.00x18 I can extract atleast 3-4 kmpl more

**gixxer_junkie_m** · 01-11-2011, 04:27 PM

Originally posted by Sarvajit View Post

This sounds great man! 80kmph is something that I cannot sustain for more than 10-15kms.with the current setup-the engine will be overheated very soon.

Ever wonder this could be because of the thinner spec oil you're using?

A lean carb setting and thinner oil is a recipe for disaster.

**chief ashman** · 01-11-2011, 04:28 PM

Originally posted by gixxer_junkie_m View Post

1. Drop in top-end.

2.Shorter gearing =less engine life. (not much in your case as it's just 1 tooth)

3. Shorter clutch life.

4.More engine vibes.

5. Less chain-sprocket life.

================================================== =

Thanks abhilashabhi12 and Gixxer

Well that means it's best to stay with stock setup isn't it? As gixxer points out, it's negetive in every sense ... I better get a 39 rear as well.
What's the best setup? ... Stock or otherwise from experience.

**abhilashabhi12** · 01-11-2011, 04:32 PM

Originally posted by gixxer_junkie_m View Post

Ever wonder this could be because of the thinner spec oil you're using?

A lean carb setting and thinner oil is a recipe for disaster.

Gixxer - U echoed my thoughts, might be the cause of using W30 oil may be, thicker the oil good for long distance touring, Infact for the most part of my last 3 yrs I have used only W50 grade engine oil in my CBZ, it was Ultra short stroke High revving engine & W40 seems not be sufficient for it while long distance touring

Originally posted by chief ashman View Post

================================================== =

Thanks abhilashabhi12 and Gixxer

Well that mean it's best to stay with stock setup isn't it? As gixxer points out, it's negetive in every sense ... I better get a 39 rear as well.
What's the best setup? ... Stock or otherwise from experience.

Cheif

1 teeth up in the rear won't make much difference, if you want to cruise easily @ lower RPM's then try swapping front sprocket with 14t from Yamaha Crux.

**chief ashman** · 01-11-2011, 04:34 PM

Which other bikes use 13 / 39 setup? Sprokets that will fit a classic fiero.

**chief ashman** · 01-11-2011, 04:38 PM

Originally posted by abhilashabhi12 View Post

Gixxer - U echoed my thoughts, might be the cause of using W30 oil may be, thicker the oil good for long distance touring, Infact for the most part of my last 3 yrs I have used only W50 grade engine oil in my CBZ, it was Ultra short stroke High revving engine & W40 seems not be sufficient for it while long distance touring

Cheif

1 teeth up in the rear won't make much difference, if you want to cruise easily @ lower RPM's then try swapping front sprocket with 14t from Yamaha Crux.

================================================== ==

In that case I will have a 14 / 40 right? is that good for the engine life, gearing, mileage etc?

**abhilashabhi12** · 01-11-2011, 04:41 PM

Originally posted by chief ashman View Post

Which other bikes use 13 / 39 setup? Sprokets that will fit a classic fiero.

afaik none uses 13/39 set up, & not only the no of teeths is Important, no of holes in sprocket etc matters if it does suit fiero.

HH/ Bajaj & Honda Sprockets does not suit Fiero's sprocket as far as I have checked & yamaha's seems to be compatible.

The 13/40 set up which you are using now is best in case of not finding the stock.

**gixxer_junkie_m** · 01-11-2011, 04:43 PM

Originally posted by abhilashabhi12 View Post

Gixxer - U echoed my thoughts, might be the cause of using W30 oil may be, thicker the oil good for long distance touring, Infact for the most part of my last 3 yrs I have used only W50 grade engine oil in my CBZ, it was Ultra short stroke High revving engine & W40 seems not be sufficient for it while long distance touring

Yeah man, thicker oils are safer for our indian conditions.All you have to do is kick a few times before starting the bike and that should take care of cold start issues.

Even if the carb is running lean/poor octane,then also thicker oil helps.CBZ as you know was a short stroke "screamer" of an engine,so it needed heavier oil.

Once i went big bore for my bike i have been since running-in and will be using the 15w50 oil.

You would also do well to go for w50 oil for your girl,as you love touring and you know bangalore traffic situations.

**abhilashabhi12** · 01-11-2011, 04:47 PM

Originally posted by chief ashman View Post

================================================== ==

In that case I will have a 14 / 40 right? is that good for the engine life, gearing, mileage etc?

Yes, try with 14t front GB sprocket, with front 14t you will have to loose little bit of Initial torque but cruising @ high speeds will be a jiffy.

Originally posted by gixxer_junkie_m View Post

Yeah man, thicker oils are safer for our indian conditions.All you have to do is kick a few times before starting the bike and that should take care of cold start issues.

Even if the carb is running lean/poor octane,then also thicker oil helps.CBZ as you know was a short stroke "screamer" of an engine,so it needed heavier oil.

Once i went big bore for my bike i have been since running-in and will be using the 15w50 oil.

You would also do well to go for w50 oil for your girl,as you love touring and you know bangalore traffic situations.

I already have that in Mind, lets see as for now Gulf pride 4t plus is working like a charm in my bike

**gixxer_junkie_m** · 01-11-2011, 04:57 PM

Originally posted by chief ashman View Post

================================================== ==

In that case I will have a 14 / 40 right? is that good for the engine life, gearing, mileage etc?

You live in himalayas bro

just like his daughter ,there are lot of curves ,up's and downs.

So making the gearing taller might not be such a good idea.As you will be going up and down her curves a lot once out of the city.

If you want to ,then put yamaha crux's 14 teeth gb sprocket and see whether you can manage climbing her curves with the set up.

**n_aditya** · 01-11-2011, 05:00 PM

I have a Suzuki Fiero and just changed the oil from mineral 20W50 to semi synth 15W50 (i think the mech used castrol). How frequently do i have to change the oil and oil filter? The mechanic was saying 3000 kms is the oil change interval. Please suggest.

**abhilashabhi12** · 01-11-2011, 05:00 PM

Originally posted by abhilashabhi12 View Post

@ all

I have a query, my TVS fiero Classic 2002 model.

for the past 6 yrs my fiero is with 100/90-18(MRF zapper Y ) on Classic pulsar 180 Rim.

I am planning to get back to 3.00x18 ( stock size) since their isn't much space after putting 100/90-18 & also removing the tyre for fixing puncture is a tedious task.

I was wondering what are the advantages or disadvantages of putting 3.00x18 on classic pulsar 180 rim,

I managed to see what is the rim size & all I could find is 2.50x18 - I am not sure if this is the exact rim size.

Pour in your thoughts

@ gixxer & others ( except cheif who's already replied)

Your thoughts on this pls

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