No, bigger capacity bikes having stronger frames don't wobble at high speeds! My 220 starts to vibrate once past 125. Moreover the 1000 cc bikes don't wobble even at 200+speeds.

@alkemyst:
I think 120 could be a speedo error... real speed might be 115-117 kmph. bcos very rarely 150cc commuter bike goes beyond 115 kpmh..

@ssivakumar:
Took time to comprehend info given by u. good work. How did u come to know this ?

sir ur the most capable one in this thread i guess ........ what is ur take on the bike ??? it might help us !!! .... do u think the cons i mentioned are invalid?

bro did u take the test rides
i asked the SC guys on this matter and they told me sir.... iska top speed 108 kmph hain is it true??? what written in the catalogue?

it reached 116 on normal terrain... n then 120 was on slope

even i checked the tyre pressure after wobbling.. it was 25-35 psi.. u say the air filling points may have inaccurate meters, then i cant b assure of the correct info..
tarmac was smooth... national highway.. dint think of crosswinds at tht tim but now i remember, yes it was there..
and the question arose, not because i was suspecting GS's abililty to run on high speeds.. i was suspectin my ridin skills only.. i heard if the biker's weight is very less then the bike may wobble at high speeds(don know how true it is)

Then its impressive speed.

Not yet. Today is a bit a busy for me. Will try GS today eve. Then may be tomorrow Cbz-x. And yes the cons u mentioned I think are valid. But I will have to confirm and check intensity of those cons. I still don't have clear picture of those cons in my head.

dont ride at such high speeds considering the brakes arent good..... in urgent situation if u arent an experienced riders ..........
just concerned bout ur safety bro

and superbikes weigh much higher than these normal puny bikes ....... so considering their weight to me much higher than any rider.......
does it wobble , i dont think so..... who told u this??

lol ,,,,,,, u drive it ,,, if u are a sharp person you will easily notice the mid vibs that we are talking about ....
n also tell me how is it good in tackling the pot holes ,,,,,,,,

i jus wanted to check the max speed of bike.. else even i ride at max 90.. cant say i am an experienced rider, but yes, i am a OK OK rider so will take care next time.
that weight funda came up in a discussion with few friends(none of them greatly experienced).. dint know how true it was, so just asked.
anywys, when are u plannin to buy one??

You guys may see more of me in this thread...I'm replacing both my bikes with one big bike&one commuter. The obvious choice for the commuter being the GS!

You are selling your lovely Fiero? Keep that and sell the R15.

I finished BE in MECH Engg, and doing a project in modifying pulsar engine... so for that (and by that) i got lot of info about engines and vibration.

AND I too feel minute change in behavior of my bike when it crosses 30 @3rd gear... engine is not strained... its free running (power produced by engine is almost linearly vary with its speed, so when the load is very less compared to the power produced then engines will run freely) this is not a problem... i touched 85 @3rd gear as shown in GS's advertisement... (for eg consider a flour grinder... u can feel the difference when it is grinding the flour than running with empty vessel) thats y for smooth riding manufacturers gave a speed range for each gears... if u r not convinced... TRY THIS choose a uphill location (a flyover) now ride the bike on it with lower gear... you wont feel it as the engine is loaded heavily compared to plain road... so dont be scared of this experience (high speed in lower gear) there is nothing to worry about this.
ya i accept that my previous post is a bit technical... Sorry if u feel bored i will try to put it in a common language... and please dont put mr. in front of my name :P i am one among you.

I'm selling both.

mileage u got?

Any one got less mileage in GSR 150R,I did'nt check yet but it looks 40+kmpl for me , my odometer also covered less 470km only...
Is fixing a tank bag spoil the look....?
any body fixed hook cum handle? there is no provision to fix hook cum handle

I cant believe the problems you are reporting....."wobbling" at 120???? First I could not reach 120 one this bike. I was full throttle at 113 and reached at 115 max but wobbling man!! cant believe, if that is the case something was seriously wrong, coz my bike was ROCK SOLID at its max speed and when I say rock solid trust me I am NOT over estimating, or exaggerating. forget wobbling I could not feel an inch of diffrence while driving at 115 and 95 except that the opposite wind was too heavy.........get you bike checked man, tyre pressure or something I dont know.......
anybody else tried at that speed and I would really like to know the experience

PS:: I missed HYD post on this......yes wind also plays a big role in giving you a miss conception that the bike wobbles, I remember driving at kinda rainy weather with quite a bit of wind......when I could feel my bike wobbling at even 70 so yes if that was the case, one can justify....

Ssivakumar, Nice explanation there ! But you forgot to mention about damping, motorcycle has several dampers (dashpot in vibration langauage), shock-absorbers, swing-arm, rubber fitments,tyres etc etc, so essentially motorcycle represents Sprin-Mass-Damping system..not just spring-mass.

Ya dashpot is the important component in the vibrating system (damper is thing that absorbs the energy in vibration) thanks for reminding... i just introduce the topic to make all clear about that resonance problem... and u know damping factor is neglected in forced vibration(negligible effect)... used only in free vibration... in GS case forced vibration is due to Engine's imbalance, free vibration is due to travelling on potholes and bumps which will induce it in suspensions... and damping factor is a complicated thing(we skipped this topic during our exams ). thats why i didnt bring the damping concept (though by name its simple... its highly complicated which we cant calculate using mathematics... its determined by only experiments). so i dont want to confuse anyone by tech stuffs... just i want to say that 3-4k rpm resonance is a silly thing to worry