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My RX 135 4 speed

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  • My RX 135 4 speed

    Hello friends , after a lot of thinking unfortunately I have to trouble you and take some help . I have to get my RX rebuilt from scratch . Bothered some of you by asking questions . Apologize for any thing wrong I did .

    Well now coming to the bike . It is in pieces at the moment. Almost everything will be new . Was having a lot of trouble to get parts and specially a good mechanic ( went through many mechanics ) . Live in a town so the problems . Finally managed to take the bike to a proper place . Found a decent mechanic and he says he will try and source some parts . Though he does not know all things but who cares . He knows SOMETHING .

    Now as the bike is being made from 0 . I though it would be wise to ask you all about your opinions about what parts should go in and what should be kept stock make .

    My bike is stock RX 135 4 speed .

    Now the major things I am planning are :
    1. Front disc setup .

    2. New wiring harness. ( Which one should I go for ? ... the current one I had did not have a Pass light switch also . So need to buy some other holder also for it ? But then again which one ? )

    3. Paint and new bolts and engine screw kit .

    4. Con rod ( thinking TKR ) .

    5. Now the biggest dilemma i am in is that I have to get a new bore kit .
    So was thinking it is better to convert it to 5 speed or let it remain 4 speed .
    Is a stock 5 speed really worth to go for ? . I read that it does not have the initial pull and mid range as a 4 speed . Then I dont understand why people run about crying for 5 speed , may be after porting and other mods a 5 speed becomes a monster . Otherwise for city riding I dont think stock 5 speed may fit the equation .
    I was running 3 rd over size on my 4 speed which was hell fun only in the mid range . low end and top end . Well low end was decent .
    So would it be fun again with new bore kit ? . Or hopeless .
    What difference is there in the ride quality of 4 sp and 5 sp ?
    There are no 5 sp around so cant ride and see .


    6. Which way to go for lighting stuff ? . I mean stick to stock coil and unit or go for coil rewinding or convert to dc and put HID . Then in the latter case which reflectors etc i ll need ? .
    Dont know a lot confused here.

    7. To go or not for some chinese alloys so that i can use tubeless Tyres ?

    8. The Size of the rims front and rear ? .

    9. Rear shock options .

    Please suggest whatever you all feel is right thing to do . You can PM me also if you want .

    Thanks to these people , in no particular order , whom i bombarded with questions and they replied patiently to my question so far on whatever topic I asked . And to those whom without which i did not feel xbhp would have been so good . Thanks for your time pals .
    Prajeep anna , rahuldevnath , abhijeet080808 ,atul_astro , yamahatrooper , torqu3e , HydBiker , kwokfist , ravi@17bhp , Ken Da , OF sir , Sunilg , MG , Sarvajit da , Prajwalkasyap , atulaherwar , spiderweb , shadowboy , jonak , maverick46 , Desideep , all Xbhpians , RDDreams.com and the RDD guys , enginehacker , sandeep ,
    and ofcourse one and only PraveenKM who showed me how beautiful my country is ,my motherland of whom I am really proud of ... thanks buddy .
    Sorry if i missed someone . Thanks once again .
    Hope is a good thing ,
    may be the best of things and
    no good thing ever dies .

    Get busy living or get busy dying .

    - The Shawshank Redemption .

  • #2
    Rx Rebuild Queries Approved
    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

    Comment


    • #3
      1. Front disc setup .

      Go for Gladiator set up

      2. New wiring harness. ( Which one should I go for ? ... the current one I had did not have a Pass light switch also . So need to buy some other holder also for it ? But then again which one ? )

      RXZ 5 speed harness.

      3. Paint and new bolts and engine screw kit .

      OE-dealer

      4. Con rod ( thinking TKR ) .

      If you find the original TKR

      5. Now the biggest dilemma i am in is that I have to get a new bore kit .
      So was thinking it is better to convert it to 5 speed or let it remain 4 speed .
      Is a stock 5 speed really worth to go for ? . I read that it does not have the initial pull and mid range as a 4 speed . Then I dont understand why people run about crying for 5 speed , may be after porting and other mods a 5 speed becomes a monster . Otherwise for city riding I dont think stock 5 speed may fit the equation .
      I was running 3 rd over size on my 4 speed which was hell fun only in the mid range . low end and top end . Well low end was decent .
      So would it be fun again with new bore kit ? . Or hopeless .
      What difference is there in the ride quality of 4 sp and 5 sp ?
      There are no 5 sp around so cant ride and see .

      5 speed gives better top end, 4 speed is fun in the city

      6. Which way to go for lighting stuff ? . I mean stick to stock coil and unit or go for coil rewinding or convert to dc and put HID . Then in the latter case which reflectors etc i ll need ? .
      Dont know a lot confused here.

      there are 90/110 lighting kits (magneto,stator plate,ign-coil, digital/analog cdi, included ) available but costs a fortune approx 8k.You can use a DCM TOYOTA beam on the stock RX dome modifying it by heating the rear and shaping with a tumbler to make extra room for the pin holder

      7. To go or not for some chinese alloys so that i can use tubeless Tyres ?

      check whether Gladiator/Alba alloys can be fixed

      8. The Size of the rims front and rear ? .

      Stock 18"

      9. Rear shock options .

      OE shocks as they maintain the heirht and suits the weight unless you are on are 80+ kg.try the new Discover 100 gas shox if the height is same

      Comment


      • #4
        @outworldly maniac: good thought on the rebulild !

        my suggestion to go for a new 5 speed & 5 gear box for the rebuild,stock 5 speed is a really a gun when you compare to a 4 speed ride the 2 together you will know the difference

        rest of things will agree with what satishg said
        Last edited by arvindraju; 09-24-2009, 02:00 PM.

        Comment


        • #5
          Thanks a lot satishg and arvind .


          again two views .
          I ll go mad .
          Hope is a good thing ,
          may be the best of things and
          no good thing ever dies .

          Get busy living or get busy dying .

          - The Shawshank Redemption .

          Comment


          • #6
            Originally posted by ken cool View Post
            Rx Rebuild Queries Approved
            Thanks Ken Da for approving and replacing a better title .

            Originally posted by arvindraju View Post
            @outworldly maniac: good thought on the rebulild !

            my suggestion to go for a new 5 speed & 5 gear box for the rebuild,stock 5 speed is a really a gun when you compare to a 4 speed ride the 2 together you will know the difference
            Buddy Really got 0 5 speed here . And my friends are pulsar lovers .
            So no chance to ride both together .
            Hope is a good thing ,
            may be the best of things and
            no good thing ever dies .

            Get busy living or get busy dying .

            - The Shawshank Redemption .

            Comment


            • #7
              Originally posted by outworldly maniac View Post
              1. Front disc setup .
              Ditch the idea as of now, invest the same in engine, stock or mildly ported setups dont need brake upgrades, since i know you and your budget suggesting u this rest is up to you ..

              Originally posted by outworldly maniac View Post
              2. New wiring harness. ( Which one should I go for ? ... the current one I had did not have a Pass light switch also . So need to buy some other holder also for it ? But then again which one ? )
              Get the new wiring harness kit of 04 model one that would do.

              Originally posted by outworldly maniac View Post
              3. Paint and new bolts and engine screw kit .
              Powder coat it to silver no paint.

              Originally posted by outworldly maniac View Post
              4. Con rod ( thinking TKR ) .
              Stock 2YA written on it.

              Originally posted by outworldly maniac View Post
              6. Which way to go for lighting stuff ? . I mean stick to stock coil and unit or go for coil rewinding or convert to dc and put HID . Then in the latter case which reflectors etc i ll need ? .
              Dont know a lot confused here.
              RDD 100/90 Kit, rest all is waste of money to me.


              Originally posted by outworldly maniac View Post
              7. To go or not for some chinese alloys so that i can use tubeless Tyres ?
              Bahhh ditch that idea in worli sea face get M-45's and you are done.

              Originally posted by outworldly maniac View Post
              8. The Size of the rims front and rear ?
              Stock is enough dont do circus with rims, get the 04 model rims donno the sizes will confirm later.

              The 04 model rims are a thad wider and takes 90/90x18 tyre easily, the old one's cant take more than 3.00x18

              Originally posted by outworldly maniac View Post
              9. Rear shock options .
              Stock.

              Originally posted by outworldly maniac View Post
              Prajeep anna.
              I am glad you didnt say uncle ''

              I am ready now for your next set of doubts
              "Engine tuning is not an exact science, but with some practice and patience you'll get comfortable with your skill and be able tune for any conditions mother nature throws at you"


              Still the Boss -- RX 135

              Comment


              • #8
                Suggest you stick to a 4 Speed gearbox and bore condition in the city... The wiring kit can be the 5 speed one. The switchgears can the Victor Switchgear set( I presume you are using one now?) and fit them on the shogun handle bar. Get your coils rewound and Install better H/L's I'm Thinking of converting mine to DC but thats just a idea... Try the Unicorn/ Thunderbird disc setup.. Use TIG welding on them to fit your forks..

                Just my ideas...

                All the best with the rebuild!
                Sit Down, Shut Up and Hang on ....

                FB :
                Ragavan Venkatakrishnan

                Comment


                • #9
                  WRT Engine and Gbox - IMHO, if you get the engine ported midly, you will save on investment in a 5speed BorePiston kit. Use that money to get other stuff for your bike. You can mate a 5spGbox with 5speed Ch-Sp kit as well.
                  Sandeep K Ram blogs at

                  http://sandeepkram.blogspot.com

                  Comment


                  • #10
                    Originally posted by felix.ragav View Post
                    Suggest you stick to a 4 Speed gearbox and bore condition in the city... The wiring kit can be the 5 speed one. The switchgears can the Victor Switchgear set( I presume you are using one now?) and fit them on the shogun handle bar. Get your coils rewound and Install better H/L's I'm Thinking of converting mine to DC but thats just a idea... Try the Unicorn/ Thunderbird disc setup.. Use TIG welding on them to fit your forks..

                    Just my ideas...

                    All the best with the rebuild!
                    Thanks ragav . Did not get what you were saying according to victor .
                    Yeah i know 4 speed in fun in the city but always felt the need of another gear , like overtaking and accelerating is just awesome man , but when there was a clear stretch of road .... no fun .
                    And TIG welding ... I just found I am damn unlucky .. always get stuck with wrong people . NO one knows a shit about here . I am appalled knowing the illiteracy here man . Very rare ( atleast in bombay ) know about bikes . Others all i found by experience do thookpatti jobs . I mean mechanics since age of two strokes whom i met are also dumb about timing and jetting and all . One mech said on two stroke timing is static . Even i know more than him .
                    Need your wishes badly ... thanks .

                    Originally posted by Sandeep_K_Ram View Post
                    WRT Engine and Gbox - IMHO, if you get the engine ported midly, you will save on investment in a 5speed BorePiston kit. Use that money to get other stuff for your bike. You can mate a 5spGbox with 5speed Ch-Sp kit as well.
                    Thanks sandeep .
                    Porting is greek here . And already was on 3rd oversize , now 4th . How much more it will run ? . Frankly mostly porting here means increase port sizes .
                    Anyways considering your idea . One other person also told me about it .
                    Will it be ok also if I run the 4 speed head and bore kit and put a 5 speed gearbox and 5 speed chain sprocket kit ? , because a 4th oversize can be somewhere near a 5 speed port kinds .

                    @ Prajeep anna ... oops uncle or rather RX Uncle

                    Thanks for your reply . Ya will go as you say .
                    Hope is a good thing ,
                    may be the best of things and
                    no good thing ever dies .

                    Get busy living or get busy dying .

                    - The Shawshank Redemption .

                    Comment


                    • #11
                      Bad news ( for me ) guys .... found another dumb mech talking in the air .
                      He is a tad better than some people but is like I KNOW IT ALL and these guys are more dangerous than dumbos .

                      What parts are actually needed for 5 speed conversion ? .

                      1. Bore kit or ported bore .
                      2. 5 speed gearbox .
                      3. 5 speed Head .
                      4. chain sprocket kit .

                      What about the clutch ? .
                      I read somewhere that the clutch bell also needs to be changed .
                      This guy is telling for doing that it will need some jugaad . Isnt a direct fit .

                      Please advise friends , fully messed up here .
                      Hope is a good thing ,
                      may be the best of things and
                      no good thing ever dies .

                      Get busy living or get busy dying .

                      - The Shawshank Redemption .

                      Comment


                      • #12
                        Baba. Save urself a lot of headache get your baby back to stock 4 speed. Get a new con rod and a new bore kit. Or Move to Bengaluru
                        "I set out running but I take my time, a friend of the devil is a friend of mine. If I get home before day light, just might get some sleep tonight" - The Grateful Dead.

                        The Stable - 2009 Yamaha FZS (Baby Beast) & 2010 YAMAHA YZF R15 (Anjuna Sunset).

                        Wishlist - Kawasaki Ninja 250r, YAMAHA R6 and Bullet standard 500 with the CI engine and a handpainted Goa Chic helmet.

                        www.facebook.com/powerslave666

                        Comment


                        • #13
                          Originally posted by yamahatrooper View Post
                          Baba. Save urself a lot of headache get your baby back to stock 4 speed. Get a new con rod and a new bore kit. Or Move to Bengaluru
                          I never ever get what I want man .... or I always ask for what I dont have or probably I am too lazy .

                          Bore Kit and New con rod I can get dear but not expecting more from this mechanic so lets not trouble his small brains more .
                          Have lost hopes yar .... but is a great experince .

                          Btw a good idea
                          Should really think of becoming a baba .
                          Hope is a good thing ,
                          may be the best of things and
                          no good thing ever dies .

                          Get busy living or get busy dying .

                          - The Shawshank Redemption .

                          Comment


                          • #14
                            Well you know I have RX100 1987 model....and I have kept it stock. There are few friends and person here who changed the stock engine to 135 or 135 4-Speed to 135 5-Speed. The thing which I see in playing with the engine is...either you get a very good mechanic who can do it all right or you be ready to start investing every now and then.

                            Like my mechanic says that one shoud never modify engines to another engine unless its done for some purpose like drags, circuit race, raids. But if you will be just using the bike for your commuting purpose then IMO keep the engine also stock brother it would be better.

                            Save the Earth - We are the one who are running out of time, as Earth will take it own time to heal but that time may not be enough for us.


                            http://www.ridesafewith.me
                            I dont just ride my bikes, I live with them.
                            Yamaha RX100 (1987 model)
                            Yamaha YZF R15 (2010 model)
                            Hero Impulse (2012 model)
                            Mahindra Thar (2015 model)
                            GIRed 2012

                            Comment


                            • #15
                              in my opinion you should attempt a 5 speed conversion only if you find all the stuff.getting 5 speed "original indian bores" are difficult these days.

                              it seems there are taiwan,SE asian bores available in the aftermarket shops. but those bores had diffrent carbs,port set ups and timing , sproket ratios etc..by fixing those you may end up in trouble.so stay away from them

                              instead if you can get your existing 4 speed reboring and porting done up by some like Ron chinnoy in Bengaloru (visit rddreams.com) you will have a more exiting machine i think

                              a proper conversion need :

                              5 Speed cylinder(4TL10) cylinder head (09L),piston,rings etc..
                              shift cam assy
                              main axle complete
                              drive axle
                              ovel carb of 5 speed
                              chain sprocket kit 5S
                              if the bike is a RXG then, stator plate and magnet also need change

                              no need to touch the clutch

                              instead of spending so much better to port 4 speed cylinder and have more fun

                              never leave the bike with mechanics over night.start a work only if it can be completed before he close for the day.

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