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Thread: Horse Power details of Yamaha Bikes

  1. #1
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    Exclamation Horse Power details of Yamaha Bikes

    Hi, everyone!!

    I just searched online that how to convert Torque into BHP and BHP into torque

    Here is a link to this usefull info: Puma Race Engines Technical Guide - Power and Torque - how they are related and how to calculate them


    And using above info i also calculated BHP of Yamaha bikes. Only torque info was given there.

    Yamaha Royale : 11.16 BHP , Tourque 9.02 N.m. @ 6500Rpm

    Yamaha Junoon & Yama 4 : 10.39 BHP , Tourque 8.4 N.m. @ 6500Rpm

    DYL Dhoom : 5.14 BHP , Tourque 5.4 N.m. @ 5000Rpm

    DYL Motorcycles - Welcome

    Honda didnot provide any power info of their bikes on their site, so cant compare them sadly!


  2. #2
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    Thumbs down

    Hmm So no one has got interest in engine stats here?

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    Quote Originally Posted by Automotorsport_Lover View Post
    Hmm So no one has got interest in engine stats here?

    Oh there is interest for sure. You may find this thread informative as well:

    https://www.pakwheels.com/forums/per...ent-horsepower

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    Bhai of course we dont have interest in engine stats, all we care about is what the new graphic looks like!

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    thats good..but i think power output will a lil low...cuz indian 135 honda have 11 bhp
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    @ Vcheng

    yea followed that topic a little already... nice info there!

    @ speed.racer.pk

    Lol yea.. after the response now m pretty sure ebt it!!

    @ Rozzz

    Cudnt get ur post bro??cant understand it..

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    Yamaha Junoon & Yama 4 : 10.39 BHP , Tourque 8.4 N.m. @ 6500Rpm
    Hmmmmm!
    It is impossible to please everybody.

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    @ automotor lover


    your all caculations are wrong
    for calculation 1st you have to convert torque Nm to Lb/Ft then you can make correct calculation
    check it
    Torque and horsepower relations:
    T = HP * 5252 / RPM
    HP = T * RPM / 5252
    RPM = HP * 5252 / T
    * Torque values are in foot pounds
    and Yamaha YB100 max power(DIN)= 9.1 PS @ 7000 rpm and max torque is 0.92 Kg.f.m @ 6500rpm torque 0.92 Kg.f.m it is equal to 9.02 Nm and if we convert it to Lb/Ft then it will be 6.65 Lb / Ft and max power 9.1 Ps is equal to 8.97 HP and calculations saya all

    T = 8.97*5252/7000=6.73006
    Hp = 6.73006*7000/5252=8.97
    Rpm = 8.97*5252/6.73006=7000

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    Quote Originally Posted by YamahaYB100 View Post
    @ automotor lover


    your all caculations are wrong
    for calculation 1st you have to convert torque Nm to Lb/Ft then you can make correct calculation
    check it
    Torque and horsepower relations:
    T = HP * 5252 / RPM
    HP = T * RPM / 5252
    RPM = HP * 5252 / T
    * Torque values are in foot pounds
    and Yamaha YB100 max power(DIN)= 9.1 PS @ 7000 rpm and max torque is 0.92 Kg.f.m @ 6500rpm torque 0.92 Kg.f.m it is equal to 9.02 Nm and if we convert it to Lb/Ft then it will be 6.65 Lb / Ft and max power 9.1 Ps is equal to 8.97 BHP and calculations saya all

    T = 8.97*5252/7000=6.73006
    Hp = 6.73006*7000/5252=8.97
    Rpm = 8.97*5252/6.73006=7000
    pa g tusi tay great o
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    @yb100 i actually know about the H.P Of the KING but i wanna u to apply ur formulas
    so i m giving u some details but its in malaya language but i hope u can easily get it
    Attached Images Attached Images  
    ***SPEED+ACCURACY+AGGRESSION=YAMAHA RX115***

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    @RX115
    Yamaha Rx115 has 15.5 PS @8500 rpm equal to 15.287 hp and max torque 1.35kg.m it is equal to 9.764 Lb/Ft
    T = 15.287*5252/8500=9.445
    Hp = 9.445*8500/5252=15.287
    Rpm = 15.287*5252/9.445=8500.51

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    1 horsepower (electric) =746 watts
    1 horsepower (hp)(metric,DIN,PS) 735.4988 watts
    1 horsepower (hp)(U.K.) 745.7 watts

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    @yb100 thanks
    wht do u say will the specs will must change if one increase thr rpm from @8500 to @10000 rpm
    i meant will the HP INCREASE?
    ***SPEED+ACCURACY+AGGRESSION=YAMAHA RX115***

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    Quote Originally Posted by RX115 View Post
    @yb100 thanks
    wht do u say will the specs will must change if one increase thr rpm from @8500 to @10000 rpm
    i meant will the HP INCREASE?
    Conceptually, that's correct
    HP is directly proportional to torque and RPM

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    So give me the calculations @10000
    lolx
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    Quote Originally Posted by RX115 View Post
    So give me the calculations @10000
    lolx
    ok but also tell me the max hp at 10000 rpm

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    @yb100 dear i actually wanted to know,will the hp increase @10000 rpm or will remain same at 15hp?
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    can some one also calculate torque and hp of cg125. thanks in advance

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    @ Yamaha YB100
    @ automotor lover


    your all caculations are wrong
    for calculation 1st you have to convert torque Nm to Lb/Ft then you can make correct calculation
    check it
    Torque and horsepower relations:
    T = HP * 5252 / RPM
    HP = T * RPM / 5252
    RPM = HP * 5252 / T
    * Torque values are in foot pounds
    and Yamaha YB100 max power(DIN)= 9.1 PS @ 7000 rpm and max torque is 0.92 Kg.f.m @ 6500rpm torque 0.92 Kg.f.m it is equal to 9.02 Nm and if we convert it to Lb/Ft then it will be 6.65 Lb / Ft and max power 9.1 Ps is equal to 8.97 HP and calculations saya all

    T = 8.97*5252/7000=6.73006
    Hp = 6.73006*7000/5252=8.97
    Rpm = 8.97*5252/6.73006=7000
    <!-- / message -->
    I appologize on the wrong calculations, plz post the deatils of other bikes too. waiting for junoon's Hp in particualr.
    <!-- / message -->

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