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Yamaha YZF-R15 version 2.0

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  • Originally posted by Eshan-P180 View Post
    Chillax both of you...Its just a discussion, not a war.

    Btw Christo which bike do you own? i hope you know there is a huge difference between R15V2 and a Fazer150!
    Sorry guys but i cant take crap.
    sigpic

    Faster, faster, faster, until the thrill of speed overcomes the fear of death. ~Hunter Thompson

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    • Originally posted by christo View Post
      Chill bro, got nothing against your ride
      Even after hard break in your ride doesn't have any real advantage(only feel) over the bike that done a soft break in.
      Btw I never said what you did is 'wrong' or 'bad'.
      Peace :beer:

      Edit: I converted your 'grunt' into 'vibey' because after riding r15 the apache felt it had more 'grunt'. In reality ..not really, all that vibration makes people (at lest me) think that way.

      Sent from my WT19i
      Dont convert anything to anything just because you think so.
      sigpic

      Faster, faster, faster, until the thrill of speed overcomes the fear of death. ~Hunter Thompson

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      • Originally posted by blyzee View Post
        Dont convert anything to anything just because you think so.
        No back to back posts please. Considered to be rude and as spamming on forum. Please edit and use multi quotes.
        Very True- "Motorcycling is not, of itself, inherently dangerous. It is, however, extremely unforgiving of inattention, ignorance, incompetence, or stupidity."

        I like- "Bikes are not supposed to be a rational decision. If you can park it and walk away without looking back to admire it, you got the wrong one."

        Couple's Leh adventure: Pune-Leh-Pune 6500 kms on Triumph Bonneville

        Comment


        • Originally posted by Viper1089 View Post
          I think what you are experiencing is because you have a pillion the weight increases and you have to rev the engine a bit for it to pull from being stationary/slow. This happens with engines that are rev happy (unlike royal enfields) and not torquey. But I think yes unless you are going down the slope or are in a momentum already your bike would rev more at a lesser speed if it has a pillion/heavy pillion. So I suggest you keep your run-in limited in reference to the rpm's and not the speed if you ride with a pillion a lot.
          For example: Eshan weighs 100 kgs and Kuntal weighs 30 kgs. At a particular rpm eshans bike runs at 127 kmph while kuntals bike runs at 140kmph at the same rpm.
          The above is not purely theoretical but was experienced by us on a ride.
          Brother i realy liked your sentence" If you dnt look back to admire your bike after parking, you have got a wrong one."
          Loved it

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          • Originally posted by blyzee View Post
            I think this is photoshop.
            No one take a burnout photo from front-side of the bike. (will you ?)
            and look @ his hands, it don't have any pressure.
            Dude, show us more photos, like Tyre marks and all.

            Do you think it's photoshop ? :O Seriously ? Well, I Can't Upload Any Pics Without Helmet As It Is Against The Rules !! I'l Try To !!
            Well,Here's A Link Of My Fb Id !! Check Out The Photos ! https://www.facebook.com/ash.2378

            And Nobody Takes A Credit For Fake Photos !

            P.S.- Sorry For Posting My Personal Id As It Was Inevitable !
            Last edited by Ashwiin Napster; 01-22-2013, 06:41 PM.
            Honda Dio [2010 - 2011]
            Yamaha YZF R15 V2 [2011 - Present]
            Yamaha YZF R3 [2016 - Present]

            What's next? :)

            Comment


            • Re: Yamaha YZF-R15 version 2.0

              Originally posted by Ivin View Post
              Wrong. Actually the weight put up on the right side is balanced by the manufacturer by designing the bike in such a way. And still after those under-bellied bikes out there, why is R15 still considered the best handler? Think bro . Under bellies doesnt always make good handling. Its the manufacturer and the designing elements that aid handling. Look at the best in class S1000RR , even the new GSXR has lost one silencer and have just one. Doesnt that put weight on one side?? Well it doesnt. Thats why manufacturers take years to design a machine capable of superior handling.
              . Forget the balance bro don't think we can fit any kind of underbelly exhaust for r15 or any other bike which doesn't have the same from the stock because if we do it'll become a lowrider

              Originally posted by Sushrut View Post
              People often focus on the sensory aspect a bit too much.Some get their motorcycles awfully fat tires [those kinds stay away from Xbhp thankfully] some get local made exhaust[Im not referring at all to leo vince or two brothers users, Im myself thinking of getting one] . These guys are ready to ignore the functional aspect. Case in point being a friend who got a second hand R15 v1 and swapped to a 100 section front and 130 section rear.That motorcycle handles scary, even its scary to ride her around town. He ignores all my statements regarding the stock tires says he needs more grip, that the stock tires tend to ''skit''[lol]
              Some people don't bother about performance or handling they just want the looks and also if one rides a badly balanced bike gradually after a week he'll feel its a perfectly balanced bike only if other guys ride that bike then they'll have their hearts in their mouth


              Sent From My Google Phone

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              • Originally posted by Ašhwiin Napšter View Post
                Do you think it's photoshop ? :O Seriously ? Well, I Can't Upload Any Pics Without Helmet As It Is Against The Rules !! I'l Try To !!
                Well,Here's A Link Of My Fb Id !! Check Out The Photos ! https://www.facebook.com/ash.2378

                And Nobody Takes A Credit For Fake Photos !

                P.S.- Sorry For Posting My Personal Id As It Was Inevitable !
                same pic only. need more
                sigpic

                Faster, faster, faster, until the thrill of speed overcomes the fear of death. ~Hunter Thompson

                Comment


                • Re: Yamaha YZF-R15 version 2.0

                  Originally posted by Viper1089 View Post
                  I think what you are experiencing is because you have a pillion the weight increases and you have to rev the engine a bit for it to pull from being stationary/slow. This happens with engines that are rev happy (unlike royal enfields) and not torquey. But I think yes unless you are going down the slope or are in a momentum already your bike would rev more at a lesser speed if it has a pillion/heavy pillion. So I suggest you keep your run-in limited in reference to the rpm's and not the speed if you ride with a pillion a lot.
                  For example: Eshan weighs 100 kgs and Kuntal weighs 30 kgs. At a particular rpm eshans bike runs at 127 kmph while kuntals bike runs at 140kmph at the same rpm.
                  The above is not purely theoretical but was experienced by us on a ride.
                  Last edited by leodj29; 01-23-2013, 02:56 PM.
                  Do not click it unless you have an open mind...

                  Comment


                  • true! Engine rpm is proportional to the bike speed. That proportion is decided by the gear u select. At 100kmph the engine rpm would be same in 6th gear regardless of the weight of the rider or inclination or any other restriction.
                    Just because you haven't seen it doesnt mean its impossible...expect the unexpected.

                    Comment


                    • Originally posted by R-series View Post
                      true! Engine rpm is proportional to the bike speed. That proportion is decided by the gear u select. At 100kmph the engine rpm would be same in 6th gear regardless of the weight of the rider or inclination or any other restriction.
                      I disagree. i have not calculated the degrees and other stuff, but i can say that it does affect. maybe minor changes wont. and also due to extra weight ( i mean pillion weight) the time taken to reach the same speed will increase.
                      'On the Road that never ends...'
                      sigpic
                      Next Big Thing/ Bikers Meet 2.0 at Rasta/ 27Apr2014

                      Yamaha Riders Club - Live your passion

                      [email protected] My SOL Helmet Review

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                      • Re: Yamaha YZF-R15 version 2.0

                        Originally posted by Ron Syl View Post
                        I disagree. i have not calculated the degrees and other stuff, but i can say that it does affect. maybe minor changes wont. and also due to extra weight ( i mean pillion weight) the time taken to reach the same speed will increase.
                        That's totally right mate, the time it will take for the bike to reach xx speed will increase with the additional weight, but... @R-series and I are not talking about acceleration, we're talking about the speed/RPM ratio, which doesn't vary regardless of weight and/or inclination.

                        The only variables that affect that ratio are the sprocketing, tire size and worn out clutch plates.

                        Cheers and I'm aiming for this baby, even though the P200NS has been launched here at a pretty good price (the same of P220) I still think I'll grab the R15. Then maybe if the P350 is FI and proves to be worthy, I might get that one but let's wait and see.
                        Last edited by leodj29; 01-23-2013, 04:41 PM.
                        Do not click it unless you have an open mind...

                        Comment


                        • Originally posted by Ron Syl View Post
                          I disagree. i have not calculated the degrees and other stuff, but i can say that it does affect. maybe minor changes wont. and also due to extra weight ( i mean pillion weight) the time taken to reach the same speed will increase.
                          I too Agree with you..
                          I don't know If i am right or wrong, but I think the efficiency of the air-fuel mixture (in carb bikes of course, and mine being a P200NS) do factor in to decide the speed done in a bike at a particular RPM.
                          sigpic
                          Relationships change, evolve, and it goes deep.
                          Only thing I can say - "The storm is coming"

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                          • Originally posted by Shibadip View Post
                            I too Agree with you..
                            I don't know If i am right or wrong, but I think the efficiency of the air-fuel mixture (in carb bikes of course, and mine being a P200NS) do factor in to decide the speed done in a bike at a particular RPM.
                            Wrong. It is a fixed ratio w.r.t. RPM. The easy way to change it is using different sprockets. If it changes on its own, its time you changed the clutch.
                            Advice is a form of nostalgia.
                            Dispensing it is a way of fishing the past from the disposal, wiping it off, painting over the ugly parts and recycling it for more than it's worth.

                            Antz Travelz!! | South India Exploration Ride | Leh Triplog (Work in progress)

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                            • Originally posted by Ron Syl View Post
                              I disagree. i have not calculated the degrees and other stuff, but i can say that it does affect. maybe minor changes wont. and also due to extra weight ( i mean pillion weight) the time taken to reach the same speed will increase.
                              when your reffering to "time" taken to reach a speed, that is acceleration. What we are referring to is engine rpm to vehicle speed. irrespective of whatever load, friction or restriction the vehicle encounters...engine rpm will be same at for eg. 100kmph for a particular gear.

                              consider this..1 rider 70kg - 6th gear - 100kmph shows engine =6000rpm
                              2 riders 140kg - 6th gear - at 100kmph shows engine speed = 6000rpm and not 5000 or 7000.

                              when I had the R15, it never crossed 130kmph with pillion, but the engine rpm will be the same when a solo rider hits 130kmph in the same gear.
                              Just because you haven't seen it doesnt mean its impossible...expect the unexpected.

                              Comment


                              • at constant speed, torque is proportional to mass. Hence if mass increases, torque required to push the mass will increase. Now assuming engine power remains the same, torque is inversely proportional to rpm. So rpm will drop but in fact the engine power never remians constant. Hence, both speed and rpm will drop. To go to that speed again you'll have to increase the rpm.. All this considering if you add the weight while riding. But RPM and speed have a linear relation. So at same RPM same speed irrespective of the weight., only the acceleration will decrease( if that has to be taken into consideration )
                                Mass= (rider+bike)
                                Keep Calm and Kaam se Kaam

                                To all those how-to-run-in-the-bike-oh-it's-so-confusing. Here's an advice.
                                Read and follow the OWNER's Manual. Keep it simple.. Old School technique will do more good than harm your bike

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