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Thread: Expansion chamber for RX 100

  1. #11
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    Default Re: Expansion chamber for RX 100

    No bro.... I have ordered the above one from him. Once it arrives I will tell you how it is. Due to corona issue chrome plating is getting delayed. Hope it turns out good.
    Quote Originally Posted by kb100 View Post
    yes , chambers are dime a dozen these days, do you have any aquintances in blr

  2. #12
    Rusted SriramEfunds's Avatar
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    Default Re: Expansion chamber for RX 100

    Well, I'm not qualified to brief about the EC (expansion chamber) however, can share some titbits for your quest. Usually EC are designed according to the bike and the desired expectations. I'm sure many would have shared their glorified stories after installing EC however, I'm afraid if you were told about the other side.

    Not going to go deep into this. First, if I were would start thinking like what is the bike's capability? what how can I extract more power within safe limits? Is the change reversible? Is the change reliable? Can I revert to stock? advantages and disadvantages of EC.. why not opt to RX135 stock set up so that it is reliable?

    Any deviation from stock would require a thorough knowledge of advantages and adverse effects that would impact the bike.

    I hope you read many forums/articles/discussion on internet and get the hang of "Performance mods on RX".
    Bratty Biker likes this.
    RX100 1996 | Karizma 2004 | Karizma-R 2011 | RXZ 1999 | RX 135 1998 | RX 100 1993 | CBF150 2005 - 2011

    2012 - Meghamalai | Kuttralam | 2011 Ooty | Munnar | 2010 Point Calimere | Horsley Hills | Yercaud

  3. #13
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    Default Re: Expansion chamber for RX 100

    Thanks for sharing bro! I don't commute much on my rx 100 but when I do, I just want that extra bit of power. Even if the EC doesn't do wonders it might still give a small upgrade and make the heads turn even more, right? Also my Mechanic says the engine is nearing a rebuild as the connecting noise has increased. I'm also thinking of converting into 135 instead of doing a rebuild. Need your opinion on this. Also I think my silencer is a 135 one. Do u think a 135 silencer on 100 reduces the acceleration? My bike may touch 100 when I tuck in but the acceleration is not that quick. Hope this changes with the chamber.
    Quote Originally Posted by SriramEfunds View Post
    Well, I'm not qualified to brief about the EC (expansion chamber) however, can share some titbits for your quest. Usually EC are designed according to the bike and the desired expectations. I'm sure many would have shared their glorified stories after installing EC however, I'm afraid if you were told about the other side.

    Not going to go deep into this. First, if I were would start thinking like what is the bike's capability? what how can I extract more power within safe limits? Is the change reversible? Is the change reliable? Can I revert to stock? advantages and disadvantages of EC.. why not opt to RX135 stock set up so that it is reliable?

    Any deviation from stock would require a thorough knowledge of advantages and adverse effects that would impact the bike.

    I hope you read many forums/articles/discussion on internet and get the hang of "Performance mods on RX".

  4. #14
    Rusted SriramEfunds's Avatar
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    Default Re: Expansion chamber for RX 100

    Quote Originally Posted by Shakti_t View Post
    Thanks for sharing bro! I don't commute much on my rx 100 but when I do, I just want that extra bit of power. Even if the EC doesn't do wonders it might still give a small upgrade and make the heads turn even more, right? Also my Mechanic says the engine is nearing a rebuild as the connecting noise has increased. I'm also thinking of converting into 135 instead of doing a rebuild. Need your opinion on this. Also I think my silencer is a 135 one. Do u think a 135 silencer on 100 reduces the acceleration? My bike may touch 100 when I tuck in but the acceleration is not that quick. Hope this changes with the chamber.
    RX sound itself is a head turner today. Not sure what more you expecting. Probably a wheelie?

    I'm tired of advising people from making mistakes but all I can say is read the forums, restoration threads etc to know how to approach restorations.

    Most precious thing of restoration is not the new spares but the ones in the bike. Not many try to salvage them to be used again while restoring hence spend alot to get look like new.

    Anyways it's upto them how they want it.

    If you trying to convert your RX100 to RX135.

    1. Remove Cylinder, head carburator, CDI, Ignition coil (butti coil), RX100 coil plate/magnet and RR unit and keep it in the locker.
    2. You will need RX135 crank assy (preferrably new)
    3. 135 head
    4. 135 Cylinder
    5. CDI
    6. Carburator
    7. Can use RX100 ignition coil or use new one (available for 135).
    8. RX135 magnet
    9. RX135 wiring harness

    There are many more restoration threads on this forum on RX135/RX100, please go through to understand the discussions.

    If possible click on my signature to give a run through the RX100/RXZ.

    All the best.
    Bratty Biker likes this.
    RX100 1996 | Karizma 2004 | Karizma-R 2011 | RXZ 1999 | RX 135 1998 | RX 100 1993 | CBF150 2005 - 2011

    2012 - Meghamalai | Kuttralam | 2011 Ooty | Munnar | 2010 Point Calimere | Horsley Hills | Yercaud

  5. #15
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    Default Re: Expansion chamber for RX 100

    Even wiring harness needs to be changed? Anyways will update you guys once the chamber has arrived. Seen your rxz bro. That rxz . In the meantime I'll upload a video of my bike if u guys are interested. Cheers
    Quote Originally Posted by SriramEfunds View Post
    RX sound itself is a head turner today. Not sure what more you expecting. Probably a wheelie?

    I'm tired of advising people from making mistakes but all I can say is read the forums, restoration threads etc to know how to approach restorations.

    Most precious thing of restoration is not the new spares but the ones in the bike. Not many try to salvage them to be used again while restoring hence spend alot to get look like new.

    Anyways it's upto them how they want it.

    If you trying to convert your RX100 to RX135.

    1. Remove Cylinder, head carburator, CDI, Ignition coil (butti coil), RX100 coil plate/magnet and RR unit and keep it in the locker.
    2. You will need RX135 crank assy (preferrably new)
    3. 135 head
    4. 135 Cylinder
    5. CDI
    6. Carburator
    7. Can use RX100 ignition coil or use new one (available for 135).
    8. RX135 magnet
    9. RX135 wiring harness

    There are many more restoration threads on this forum on RX135/RX100, please go through to understand the discussions.

    If possible click on my signature to give a run through the RX100/RXZ.

    All the best.
    Last edited by Shakti_t; 03-18-2020 at 07:48 PM.

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    Default Re: Expansion chamber for RX 100

    Finally brothers the chamber has arrived after lockdown. I'll attach the pictures. The performance gain I got on my stock rx 100 is great I'd say. The inital is same as before but the midrange & top end is tremendous. Can feel the powerband kicking in very hard.Actually was a bit scared to pull fully as I didn't expect that much acceleration from my bike. I was a bit skeptical at first but the finish is also well done. Right now just tuning the carb got the performance kick from it. My mech said upjetting is not needed. Need your opinion on this brothers. And the sound too is very low in low rpms (even lower than my stock one) but once revved hard sounds great thanks to glass wool and the bike flys. Didn't notice any drop in lower end (think improved a little). I can say this model is good for rx 100. Your thoughts are appreciated. Almost forgot, it costed me total 7000 for plating, 5 speed kick, shipping etc. Cheers.Name:  Screenshot_20200603-175703_WhatsApp.jpg
Views: 26
Size:  19.5 KBName:  PicsArt_06-03-07.50.12.jpg
Views: 26
Size:  21.0 KB

  7. #17
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    Default Re: Expansion chamber for RX 100

    Reuploading pics as they turned out to be blurry.Name:  PicsArt_06-03-07.50.12.jpg
Views: 25
Size:  21.0 KBName:  PicsArt_06-03-07.57.21.jpg
Views: 25
Size:  20.3 KB

  8. #18
    Rusted kb100's Avatar
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    Default Re: Expansion chamber for RX 100

    Quote Originally Posted by Shakti_t View Post
    Finally brothers the chamber has arrived after lockdown. I'll attach the pictures. The performance gain I got on my stock rx 100 is great I'd say. The inital is same as before but the midrange & top end is tremendous. Can feel the powerband kicking in very hard.Actually was a bit scared to pull fully as I didn't expect that much acceleration from my bike. I was a bit skeptical at first but the finish is also well done. Right now just tuning the carb got the performance kick from it. My mech said upjetting is not needed. Need your opinion on this brothers. And the sound too is very low in low rpms (even lower than my stock one) but once revved hard sounds great thanks to glass wool and the bike flys. Didn't notice any drop in lower end (think improved a little). I can say this model is good for rx 100. Your thoughts are appreciated. Almost forgot, it costed me total 7000 for plating, 5 speed kick, shipping etc. Cheers.

    put in a new plug ride around a bit and check the colour of the insulator if it is white , you will need to upjet , mechs dont know what upjetting they will always resist , any change that they dont know or understand, pricing is steep , but glad to know you are happy with it
    Kawasaki KB100/enduro/125 substitute parts list http://www.xbhp.com/talkies/508615-post105.html

  9. #19
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    Default Re: Expansion chamber for RX 100

    Thanks for sharing brother. Will do that tomorrow & tell you.

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