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**Dinesh.P** · 12-06-2012, 10:39 PM

Originally posted by vimalnair4u View Post

On my RX, I ve cut the flute less 2.5 inches for the crisp sound. Thats a unique sound that you will get only on 135cc RX engine. But if the same is removed on RX100, it will become much louder compared to RX135. I love the stock sound of RX100 & the modified sound of RX135.

Even the cut core (flute) in RX 100 work well it is easy to get different sound with inner core with RX 100 when compared to RX 135 according to my experience .....

Originally posted by SriramEfunds View Post

I have tried varies pipes. For getting authentic rx100 note, none other than rx100 block may produce. Itnis not in the pipe but exhaust port opening. 135 exhaust is slightly bigger than 100 as we all agree, however, you may try and alter the core but when a 100 is kick started beside 135, stands no where in the exhaust note. To an extent old 100 pipe may give a close flavour. Tried and tested.

I accept with Sriram the difference is in the exhaust port.... No 135's or G's produce the sound of RX 100 they can sound same only with the expansion chamber ......
I have invested thousand's on this process to get a beat like RX 100 but never worked .. Try to like the exhaust note of RX135

**habin** · 12-08-2012, 01:47 PM

Please let us know how the 2T oil is mixed either directly through petrol or through oil pump... If it is through oil pump check the supply of oil.... For engine over heating also check the spark plug and coil ....
For Jerking change the clutch bell it will sort out the jerking problems ... That is the main difference between RXG and RX 135..... RXG's do jerk

hi,
I thank everyone for the help and suggestions.
The condition of bike is:-

2T oil mixed directly in petrol tank~35ml/litre since engine is new.
Spark plug is new.
Gearbox oil is new.
Bore is 4TL00 of E4 batch,it is not sleeved in last overhaul.
RXG core in silencer.

Till now,I have only complainted about the bike.I forgot to mention that it is a fun to ride slowly in the town.Since engine is in running-in period,I did'nt speed up more.

Turn The AIR screw in carburetor by1/2 turn (180 degrees)CLOCKWISE and see if the jerking goes...
Please describe the type of engine noise in detail.

I will test it later since Iam a little bit busy right now.

I suggest you convert your RXG to RX135, here is what all you will need:

Un-Sleeved 4-Speed Bore Kit (4TL00) running on 0.25mm or 0.5mm "4Y201" ART Piston kit. If you have the money, go for a new piece.
As many have suggested go for an After market 90/100 Ignition Kit like Ravi-Nagesh or RDD with Iridium Plugs.
Get the RX135 CLutch Bell Assembly with Matching Primary Drive.
Change the sproketing to 16/34.
Regarding RX100 type sound, you have to change the entire exhaust assembly to that of RX100. New ones are not available, but you can source a used one.
Replace the entire CrankShaft Assembly (The one with original "2YA" Connecting Rod). Or atleast reset it or replace only the Connecting Rod (This is possible if the current setup is running on STD Pin).

It might sound expensive, but you will have trouble-free rides for next 5~6 Yrs. Collect all the spares necessary first & then find out a good Tuner (who has patience to listen to your needs) & get them fitted in front of your eyes.

Lastly, sky is the limit to work on 2strokes, but it needs loads of money & patience.

Good Luck !

Note: There is nothing wrong with the RXG CLutch Bell Assembly, its just that it is very difficult to source & even resetting may not give favorable results. Hence the next best option is to go for RX135 Clutch Bell Assembly. Kindly go through the below content to learn more about our RX Series:

http://www.xbhp.com/talkies/thumpers...rx-series.html

http://www.xbhp.com/talkies/thumpers...rx-series.html

Thanks,I now understand that RX100 sound can't be produced on a 4TL00 bore.Now I accept it and will like RX135 sound.
I will note things below:

Clutch bell needs to be checked.Will go for RX 135 if replacing.
It is difficult to fit RDD cdi.My bike don't have a battery.Mechanic doesn't seem to know about RDD cdi.What is cost of RDD cdi?Does it need battery?
If sproketing of 16/34(RX 135?) is used,low end torque decreases which is not desirable to me.

I have tried varies pipes. For getting authentic rx100 note, none other than rx100 block may produce. Itnis not in the pipe but exhaust port opening. 135 exhaust is slightly bigger than 100 as we all agree, however, you may try and alter the core but when a 100 is kick started beside 135, stands no where in the exhaust note. To an extent old 100 pipe may give a close flavour. Tried and tested.

Even the cut core (flute) in RX 100 work well it is easy to get different sound with inner core with RX 100 when compared to RX 135 according to my experience .....I accept with Sriram the difference is in the exhaust port.... No 135's or G's produce the sound of RX 100 they can sound same only with the expansion chamber ......
I have invested thousand's on this process to get a beat like RX 100 but never worked .. Try to like the exhaust note of RX135

On my RX, I ve cut the flute less 2.5 inches for the crisp sound. Thats a unique sound that you will get only on 135cc RX engine. But if the same is removed on RX100, it will become much louder compared to RX135. I love the stock sound of RX100 & the modified sound of RX135.

Thanks all for the inputs.I will learn to like the RX 135 sound.I plan to run the bike for some 500-700 kms before doing anything important.Will post later.
Regards,

**aargee** · 12-08-2012, 03:57 PM

Originally posted by habin View Post

I will learn to like the RX 135 sound.I plan to run the bike for some 500-700 kms before doing anything important

Way to go!!! Two Thumbs up

**rxfan** · 12-08-2012, 05:28 PM

so. if i have a Rx 100 which is running on RXG silencer..what do i do to get the RX 100 beat. ? is it only the flute or more in this case ..help!

**aargee** · 12-08-2012, 06:48 PM

Originally posted by rxfan View Post

so. if i have a Rx 100 which is running on RXG silencer..what do i do to get the RX 100 beat. ? is it only the flute or more in this case ..help!

Change exhaust + core; hopefully it's Rx100 cylinder piston kit

**rxfan** · 12-08-2012, 11:19 PM

Originally posted by aargee View Post

Change exhaust + core; hopefully it's Rx100 cylinder piston kit

yes stock RX 100 not many changes since it left the showroom.. only silencer is of RXG ..because it had to be changed and the only OEM available was marked 'for RXG'
Thanks for the reply..and are the required parts u mentioned still available?

**karthikdattag** · 12-10-2012, 11:34 AM

Originally posted by SriramEfunds View Post

To an extent old 100 pipe may give a close flavour.

Thats exactly what i was trying to explain. No 2 machines can be exactly similar. I still remember in the 90's how, many Samurai Owners wanted the Shogun Growl by fitting the complete Shogun Exhaust assembly, it never works, becuase of difference in Port Timing & Displacement.

If one needs an Exact RX100 Sound output, then a complete engine swap is required. Best way is to go for an Expansion Chamber, one gets the growl & power at the twist of the throttle.

Originally posted by habin View Post

I will note things below:

Clutch bell needs to be checked. Will go for RX 135 if replacing........... Even the RX135 Clutch Bell Assembly is very hard to find. I say, start searching Both RX135 Clutch Bell with Primary (74T / 19T) as well as RXG Clutch Bell with Primary (71T / 22T). You will be very very lucky if you can source either of them.
It is difficult to fit RDD cdi.My bike don't have a battery.Mechanic doesn't seem to know about RDD cdi.What is cost of RDD cdi?Does it need battery? ........ Yes RDD requires Constant DC Bus Voltage. Try the Ravi-Nagesh Kit. Mr.Ravi-Nagesh started producing these 90/100 Kits way way before Ron came into this scene. He has over 40+Yrs of experience under his belt.
If sproketing of 16/34(RX 135?) is used,low end torque decreases which is not desirable to me........... Yes it will come down. If you want good torque, try 16T / 36T or 16T/37T, that should suffice. But mind you, with this setup your Top-End will take a hit.

My Answers above in Bold. Hope it helps.

**habin** · 12-13-2012, 01:41 PM

Thanks a lot.
I have a few more doubts.
Is the electricals of RXG AC or DC?I have to fit a horn.
How to access the clutch cable fitting?
What is approx. cost of performance CDI?

**vijaymeyou** · 12-13-2012, 08:31 PM

RX and RXG electricals are DC.

Hi habin,

you needs to remove the left side crankcase cover for clutch cable replacment.

for adjusting the clutch you need to remove (the generator cover assembly) inspection cover on the same case cover.

performance CDI cost varies.. from few hundreds to 5k. depand on perfomance and brands..

**habin** · 12-14-2012, 07:09 PM

Originally posted by vijaymeyou View Post

RX and RXG electricals are DC.

Hi habin,

you needs to remove the left side crankcase cover for clutch cable replacment.

for adjusting the clutch you need to remove (the generator cover assembly) inspection cover on the same case cover.

performance CDI cost varies.. from few hundreds to 5k. depand on perfomance and brands..

hi,
thanks,I did as you said

,took cable out,refitted with lubrication.But I didn't understand how to adjust cable there.Using screwdriver or the nut?Seems that yamaha mechanisms little bit difficult when compared to others.
Regards,
habin.

**vijaymeyou** · 12-14-2012, 07:42 PM

Hi Habin,

As illustrated..

Attached Files

**habin** · 12-15-2012, 06:01 PM

Thankyou for the figure.Now I understand it.

**habin** · 01-18-2013, 07:12 PM

Hi friends,
Now the chain sprocket almost needs to be replaced.Is it ok to fit 16/34 of RX135 with same RXG(71/22) clutch bell?Will it make ratio too high and no acceleration?
As advised by other xbhp members here,I feel 15/37 is short ratio on riding the vehicle more

.
I think 15/36 or 16/36 is not available in market.
Also my choke setup is a cable instead of knob in RX100.But my switch gear is of RX100.So the cable is simply looped and kept below carb.Can I use the knob of RX100 my carb?
Is the carb of RX100 also 4TL 01?

Regards,

**rxdude** · 01-18-2013, 09:51 PM

Originally posted by habin View Post

Also my choke setup is a cable instead of knob in RX100.But my switch gear is of RX100.So the cable is simply looped and kept below carb.Can I use the knob of RX100 my carb?
Is the carb of RX100 also 4TL 01?

Regards,

I think you can change the switch to YBX, it is a direct fit. the switch gear comes with choke lever too. added benefit is that you will have a pass switch.
carb of RX100 is different, i think its VM20.

**habin** · 01-20-2013, 09:26 PM

Originally posted by rxdude View Post

I think you can change the switch to YBX, it is a direct fit. the switch gear comes with choke lever too. added benefit is that you will have a pass switch.
carb of RX100 is different, i think its VM20.

Hi rxdude,
thankyou for the suggestion.But it seems more easy(cheap) to replace the cable with a knob.

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