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Building a V-twin 850 cc

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  • [Photo Feature]: Building a V-twin 850 cc

    Hello all friends, i have been a dreaming ( as child) scince i come to know about bike and riding that India is lacking somthing in biking. As we (i) grow up i always dreamed about Royal Enfield 350, eventualy i won one since 2 years now. But still there is somthing that make me think that we can do, but we are not doing ? hence i have desided to build a V-twin powerful bike in India so that we can afford it, as i don't want to spend 7 to 10 lakh for bike which i even can not pay. So i stared to gather information and stared to make friends, search them on-line and keep a contact directory and manage time to meet them as well. I come to know that there are many of us who wanted a powerfull engine motorcycle and able to pay up 2.5 to 3 lakhs for such bike, and 80 to 90 k for engine ( which is reasonable ) but such a bike or engine is altogather absent in India market !
    I also notice that many are trying their hand to chop down a Royal enfield, and are mastered in the act but the limitation of 350 cc and that too only with single cylender, even nice job done some part of our heart remain unsatisfied. There are brilient designer around here who designs is not less that old school or modern cruser bike all over the world.
    Indeed i make my mind to have an India V-twin engine and a powerful bike. i started to work on the project and made a team of friends, those are from all background and professios. Since we have strated the project many ideas and suggestions are comming to us and we analyse each of them. Ultimatly we come to mortons fork ! the path was very hard to deside. so we thought of doing it in two way. one we will build completly new v-twin engine with transmission, second was a little odd, the idea was to use in-line 3 cylender Diesel engine (tata indica ) and build a gear-box, now many pressurised us to have v-twin, cause the ultimate chopper is just incoplete with out a twin engine. Hence priorty goes to a twin petrol engine.
    Now the time i m writting this we are facing the problem where to and how to desing a god damn engine ! A friend in need is a pest indeed, and i am asking for help here at X-bhp where riding is a life style. i look forward to get any, every kind of help, suggestions, analysis, cost analysis even designe, from anyone who is interested to help us. Every one is invited to work in this project, just a work will assigned to and responsibility will be trusted.
    I hope with gress of all good and essence of Nationality will help us doing this. ( If someone is already doing this i m ready to join him.)
    My name is Rahul and i m from Pune. thank you all.
    202
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    57.92%
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    depends on quility and performance
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    Last edited by rahulingle1; 08-09-2010, 04:55 AM.
    sigpic
    my dreams won't let me sleep.

  • #2
    Idea Approved and Moved
    The Wheel was a great invention; Two Wheels with a Motor in between was even better!


    BMW Motorrad Days 2011

    Xbhp's Indo-French Kashmir-Ladakh Tour

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    • #3
      i have been saying it in many posts regarding RE. IF they can launch a 500 cc fuel injected bike at 1.3 lakhs, Then why not a 700cc twin or even a 1000cc twin at 2 lakhs??

      Just use two cylinders from the 350 and 500. they need to make a custom crank, crankcase, timing gear, clutch assembly to handle the power. Thats all.

      700cc twin - around 40-45 bhp, and im sold!!!

      Change the chassis design, make it more low slung, and long and comfortable!!


      My offerings to the gods of speed -

      - KTM Duke 200
      - Yamaha RXZ 5 speed


      Comment


      • #4
        every one know it that a modified shaf and all !! but no one out there doing it (exception Aniket Vardhan, he is in US and done musket. we can't have his design due to emission norms.)
        well i found out 400cc V-twin engine in china and it will cost me around 80k at home (includ all taxes), rest of bike has to build.
        please reply and post u r views as u r thinking matters a lot in this project.
        sigpic
        my dreams won't let me sleep.

        Comment


        • #5
          Originally posted by rahulingle1 View Post
          every one know it that a modified shaf and all !! but no one out there doing it (exception Aniket Vardhan, he is in US and done musket. we can't have his design due to emission norms.)
          well i found out 400cc V-twin engine in china and it will cost me around 80k at home (includ all taxes), rest of bike has to build.
          please reply and post u r views as u r thinking matters a lot in this project.
          if u import & install the 400 V twin from china, u'll face problem from the RTO, cause here in india, the law wont permit to install other engines in existing bikes/cars chassis. if ur bike is not intended to run on the streets, and remain as a project/track bike, u need to get permission from the RTO for importing & using engines from abroad.
          Biker of the Year -2013

          1987 Yamaha RD-350-B
          2009 Pulsar 220 DTS-Fi
          2017 aprilia SR 150

          Comment


          • #6
            almost a decade from now, or even more around 1995 or so, there was a guy who was my brother's friend..
            he had attached a maruti gypsy's engine into a modified bullet's chassis...

            the bike sounded like a superbike, even gave out breath taking performance but the heat produced by the engine was unbearable for the rider ....

            also reliability was a big problem
            so was the asymmetrical design which really looked yuck...

            all i mean to say is don't opt for this method, even if its a petrol or diesel as it won't make you or the masses happy...

            instead of veeing a bullet engine or any other engine why don't you design an engine of your own??

            i had minds of veeing a karizma's engine and plonking it on a custom aluminum chassis almost a year back, but being too young and dependent (which i still am) i couldn't open up my minds to reach there....

            but i really think that right people and right minds can make this happen very well...
            if you design a layout of the engine on the paper, reliability would come up with the quality of the components used...
            use ultra high quality of internal components and you will never have to worry about reliability, this is what 7 decades of motorcycle racing history teaches us....

            if you can design the layout on paper well, i can make it happen as i have an idea of places between mumbai and pune where these things can be actually built..
            besides i think max amount of money you'll shell out including everything would be around 2 lac....

            i would love to buy a great home made bike in 2 lacs, rather than buying an imported 250 in 3 lac or any other bike.....

            got the point???

            all the best my friend...
            Giving a lot to a fiero.
            Expecting a lot from a fiero.

            Comment


            • #7
              Your biggest trouble in this project is not friends, ideas or technology, but the Govt. After construction would you want to see the motorcycle sitting idle? I would not like to. Trust me, first learn the process of red tapism right from RTO or ARAI, then go ahead & start working on the V-Twin. Sorry, if I sounded negative, but this is what I learned - hard way!!!

              OT - ARAI wants homologation for 400-600 CC motorcycles because they pollute more than the several decade old Govt lorries & jeeps!!!
              Skill is what keeps you on a Motorcycle
              Awareness + Skill is what keeps you out of harm's way
              ATGATT + Awareness + Skill means you might Live To Ride another day

              Comment


              • #8
                Originally posted by NANOtechnology View Post
                almost a decade from now, or even more around 1995 or so, there was a guy who was my brother's friend..
                he had attached a maruti gypsy's engine into a modified bullet's chassis...

                the bike sounded like a superbike, even gave out breath taking performance but the heat produced by the engine was unbearable for the rider ....

                also reliability was a big problem
                so was the asymmetrical design which really looked yuck...

                all i mean to say is don't opt for this method, even if its a petrol or diesel as it won't make you or the masses happy...

                instead of veeing a bullet engine or any other engine why don't you design an engine of your own??

                i had minds of veeing a karizma's engine and plonking it on a custom aluminum chassis almost a year back, but being too young and dependent (which i still am) i couldn't open up my minds to reach there....

                but i really think that right people and right minds can make this happen very well...
                if you design a layout of the engine on the paper, reliability would come up with the quality of the components used...
                use ultra high quality of internal components and you will never have to worry about reliability, this is what 7 decades of motorcycle racing history teaches us....

                if you can design the layout on paper well, i can make it happen as i have an idea of places between mumbai and pune where these things can be actually built..
                besides i think max amount of money you'll shell out including everything would be around 2 lac....

                i would love to buy a great home made bike in 2 lacs, rather than buying an imported 250 in 3 lac or any other bike.....

                got the point???

                all the best my friend...
                @ NANO thanx
                i have gave up using a maruti engine long back when my father alter the fial engine with a gatso diesel engine that car was unrelible but experinence was awsome. for disel bike u r point is very justifiable that nuts can't stand heat for too long that could creat mediacal problem as well. Indeed a new engine is the best idea till now.
                so m thinking now to build only head with twin cylender and using a RE cluch and gear box. i m searching guys who can do cad desing for me, and u r there get it casted, i think 1.5 lak will do the job at this lavel. but then electrical has to be answer too. hey i would like to have u r mob no. plz send it to me. 9637315623
                sigpic
                my dreams won't let me sleep.

                Comment


                • #9
                  hey rahul...
                  well I'll send you my cell number via sms soon ....

                  well i am not an expert in all this, but i do have great interest, i can help you but i am sure you won't need MY help as I'm still a noob...

                  regarding electrical, don't worry...
                  a standard stator coil will do, and please make it all DC..
                  I've converted my bike to all DC and plonked a hid/halo combo so i have gained quite a bit of electrical knowledge so far...

                  why don't design gearbox of your own too??
                  I'll search for people too, you are already finding, wait for some time and you'll get the right people...

                  and yes regarding stator coil..
                  i think alternator will be a better option as an RE stator will produce 6 volts, quite less compared to other bikes in the market...

                  just an opinion....
                  Giving a lot to a fiero.
                  Expecting a lot from a fiero.

                  Comment


                  • #10
                    no one hv done and put the project at the AIAR desk till now ! harly get the permission for 883cc speedster (all models), i hope once the engine build we can use media and some political pressuse to get it done. i have gone through the AIAR web nothing special found there. but there are governments norm for emission, which we have to get through. though it will not easy to get through. we wouldn't know if we don't do this, so the best way i come to konw is to get a engine done and put in on AIAR table. plz inform me if u know more about emission norms and AIAR. thanx
                    Last edited by rahulingle1; 08-01-2010, 05:51 AM.
                    sigpic
                    my dreams won't let me sleep.

                    Comment


                    • #11
                      @ NANO thanx for u r enthu. well for while our target is to build only twin head motor we will use enfield cluch and grear box its not because i like RE but we can make it easly available, i will donate my bikes box and all to the motor. well my RE TB is 12v so no problem. only the thing is that i don't know how to figure out the two coil for two heads.
                      sigpic
                      my dreams won't let me sleep.

                      Comment


                      • #12
                        building a gear box is not big deal but for the bike we need to fight the heat. i thinking for tata indica engine is perfect for the project. looking forward...
                        Last edited by rahulingle1; 08-01-2010, 05:23 AM.
                        sigpic
                        my dreams won't let me sleep.

                        Comment


                        • #13
                          Hi friends,

                          very interesting thing which you are doing..

                          Am kabilan from chennai...Interested in joining u guys..

                          One friend of mine worked in RE for 4 yrs in Final inspection..also he knows about RE very well...can help u by getting information from him and also about the types of engine testings,development concepts, overall vehicle tests, etc..

                          Also since am working in a brake industry's R & D, I can help you in sizing the brakes for the new vehicle..
                          Its not about just vrooming the engine, sharp cuts, top speeds...A true biker should understand his machine

                          Comment


                          • #14
                            this might be an inspiration....

                            700cc Royal Enfield V-Twin

                            well, that's good but you are right, 2 would be a problem regarding electricals...
                            we can do this, provide only 1 to the electricals, will work that out later..

                            besides if you are considering a tata indica's engine, its diesel my friend...

                            in mumbai, we can source almost every car's or bike's engines, or at least the block of bullet in junkyards at the price of dirt...

                            i would have been more happier if it was not a cruiser...


                            i honestly think the job would be much handy and comparatively less complicated if we have the engine at hand, so find a guy who can design the layout first ...

                            if stock re block fits, well and good, if not, so no worries we can build up the V's of same grade metal...


                            and see i told you, more people will come in and help, thanks kain...
                            more the number of people come together, the easier will be the job..
                            Giving a lot to a fiero.
                            Expecting a lot from a fiero.

                            Comment


                            • #15
                              thanx kain, help from u r friend to the detail procedure will realy like a lady luck. i m very please to know about u. u r welcome in the project. plz tell me if u know cad and cam designe ? thanz again and welcome to the team.
                              Last edited by rahulingle1; 08-09-2010, 04:47 AM.
                              sigpic
                              my dreams won't let me sleep.

                              Comment

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