^^^ Very well put across I don't think I could have done it better.

now that's a really big drawback. Means after sometime you're bound to get a big dent or a nice pierce on the exhaust right?

@Joel, hey buddy are you listening? Any solution to this you wanna plan man?

guys, i just wanna interfere a bit. This all started when someone mentioned a stock 220 can attain a top speed of 153kmph or something to which another person opposed and so on. Things like drafting behind another vehicle, riding on slope, using thinner tires, using full fairing, etc are not considered under normal conditions. When somebody stated a stock 220 can pull upto a true 153, it is assumed that under normal riding conditions, that is riding on a straight line free of any obstructions or traffic(no uphill no downhill) and using everything stock with zero wind speed. This is never possible so please refrain from arguing on this topic with conditions like drafting or riding downhill. Here we are talking of gains from the goodies offered by joel compared to stock under standard conditions. And i beg to differ on the point that gearing is the sole criteria(don't remember who stated) as that would mean if i install the same sprockets, install the same gearing ratios for gearbox, maintain the same wheelbase, maintain the same clutch setting and afr, match the net weight of the bike(including the rider) and both riders having same weight, height and riding style, use same diameter and same size tires on both, a 100cc will have the same specs as a 250cc but that's completely wrong. So the physics shown here in inapplicable right? Engine compression, weight to power ratio, gearing, wheelbase, exhaust, air filter, fuel mixture, number of values, etc everything come into picture. Why do you think r15 being a 150 can match the top speed of a 220? Just because of gearing? Getting my point?

^^^

Read the part in bold.... the fact is today most bikes are equipped with rev limiters... like the R15 has a rev limiter which has this irritating habit of cutting in when you reach 10,500 rpm... now with Joel's big bore kit there is a lot more power and torque being generate... it has turned a over geared machine into a under geared one... you know the setup is capable of doing a lot more revs but the rev limiter is spoiling the fun... now if you cannot increase the rev ceiling then the only way to increase your top speed is to change the gearing... why is this so hard to understand... ultimately its all about mechanical efficiency... engine speeds are not created in thin air... torque is required to reach a certain rpm and power is require to sustain that rpm... someone asked if engine speed is directly related to top speed... in one word the answer is "yes"... words such as compression, power, torque, cubic capacity all lead to one thing i.e. engine speed...

i'm aware of gearing ratios and speed limiters. And for fuel injected bikes, ecu also plays a vital role. I never said gearing never forms a part. I said gearing is not the only thing. And regarding the thing you mentioned about joel's modifications, ya it's true. I never denied those facts. Infact it was me who had put up the question that after undergoing so much modification, we'll only get a changed engine characteristic or are we going to gain on top speed also. Then you had mentioned about gearing to which i said yes that's something even i had in mind. I have many times done alternations in gearing in many of my friends bikes, have even advised many here according to their needs of top speed or acceleration. And ofcourse top speed is both related to gearing and engine speed. When did i deny? Please read my reply carefully. I never said i disagree with you. I mentioned that please talk in terms of normal riding conditions, not drafting or riding downhill. That's it. Why is this so hard to understand man? Don't take it on yourself. Please.

^^^ not answering directly to your post... And certainly no issues ... Reply to drafting and gravity

Ok, let me try to clarify it for you.

In case of a normal stock bike, it is geared in such a way that it can somehow hit the rev-limiter in the topmost gear under WOT for a significant duration. It is said to be perfectly geared.

Now what does this mean? It means that if I make the gearing a bit taller, the engine will never be able to rev up to the redline in top gear. Why? Coz the engine power is 'exhausted' due to the taller gearing. But since the gearing is taller, the max. speed attained should be similar, subject to some conditions.

What if I make the gearing shorter? Now the engine will easily bang off the rev limiter since it is under lesser load now. (If you do not get this, imagine how easy is it to hit the rev limiter in 1st gear compared to 6th.) In this case, the shorter gearing will decrease the top speed.

Now that you are clear with what overgearing and undergearing a bike means, consider a modded bike. It becomes undergeared now compared to being perfectly geared as stock. This is because it produces more power. So, the engine bangs off the rev-limiter. But the speed is same as stock, since even the stock bike was somehow able to reach the redline.

So the only way to make it perfectly geared again is to make it a bit taller geared. This will ensure that the engine somehow reaches the redline under WOT. And, due to the taller gearing, the top speed improves.

Bottomline - a modded engine needs taller gearing to see improved top speeds.

PS - Concept of undergearing/overgearing is relative to the type of use a bike is put into.

+1. I'll buy that point. Completely valid.

I'll clear your doubts.
The main stand does not bang against the exhaust. Considering its resting at one place and has no movements, its just fine.
I will incorporate the logo soon. Just working on other bits before getting there.
The exhaust gives you an assured 1-2 secs drop to 100kph over stock. Depending on your riding skills etc. There is an sure-shot gain of nearly 10% power with the exhaust alone. This system is super light and improves the riding and handling dynamics.
All the parts can be shipped down to your place and its a very easy install. The exhaust can be done by yourself in 2 mins. No hassles.
Yes, more developments will result in more products and better performance for our engines.

the exhaust is way lesser heavier than the stock one,About the performance,didnt do a 0-60 stint till now,but i have definitely felt or noticed change in performance,the most important is the mid range has improved.I can effortlessy cruise at 120 and above speeds.The other day i compared a ffe+big bore rtr 180 with my ffed 220 with the db killer on(i know both are of different leagues).The initial of the rtr was too good,if pulled effortlessly,but the 220 starts singing from 3rd gear.But the real game starts when the db killer is removed.Waiting for the big bore.
Joel-when is the bigbore getting ready?
Moral of the story-i am one happy 220ian

respected sir..if u can give me a call at this number-9840015144..i can solve ur doubts and give u correct guidance

thanks for the quick reply. All my queries and doubts cleared except one. What kind of life we can expect from these products. I understand that these are relatively new and an accurate answer wont be possible. But an approx life expectancy will be surely useful.
And for the prices i guess i will have to send an email
thanks
edit- i saw the above post only after i posted. I presume you are working with race concepts.

Could we know your identity? Are you somehow affiliated with Race Concepts/Joel

But the stock gearing of 220 should be good for a 153on speedo. I have seen it cross 145 on speedo and there were lil revs left. Engine wont rev to limiter on top gear when going straight. The remaining revs should.be enough to show a 153 on speedo when there is less resistance.

I also refered.that just by revving higher a bike wont go fast. There shold be power at rear wheel to push that bike.