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Old 10th April 2009, 23:30   #1
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Default The story of how I have lived with my dream for 8 years. The YAMAHA RX-135, 5 Speed.

Hi Guys,


The 1st time the headlight of my black beauty gazed at me was on Jan 18th, 2001. Yes, I am talking of the last of the fiery 2-stroke engines you will ever find in India. I was a proud man when I laid hands on my new Yamaha RX 135, 5 Speed.

I had always wanted to own a 2 stroke Yamaha, after I TDed the 5 Speed I said to myself that this was it ... the day of the reckoning.

I have extensively used a RX 100 (Jap engine, pre 90’s engine) and a Suzuki Shogun as well, but this is something else. The overdrive gear and the 14 bhp torque is just too much.. It makes it more like a mini RD 350

8 years is a long time and though I have only done about 10 long rides and 50,000 odd kilometers, it feels like a lifetime.

I wanted to start this thread to share with you guys on a few things I have done on the bike and a few pictures … and an mp3 file of the ROAR of the engine … Hope you all enjoy perusing through


Technical Specifications:


• Dimensions

Overall length (mm) ……………………..…………………. 1965
Overall width (mm) ……………………….…………………… 780
Overall height (mm) ……………………..…………………. 1040
Min. Ground Clearance ……………….…………………….. 136
Min. Turning Radius (mm) ……….……………………... 2100
Wheel Base (mm) ……………………………………………. 1245


• Weight

Dry Weight (kg) ……………………………………………….. 108


• Engine

Type …………………………………………. 2 Stroke, Air Cooled
Bore and Stroke (mm x mm) …………………………. 58 x 50
Compression Ratio ……………………...……………...... 10.1:1
Piston Displacement (cc) ………….…………………………. 132
Air Filter …….……... Wet Type, foam element. Washable
Starting System ……………...……….…………………………. Kick
Maximum Power (BHP) …….……….……. 14.0 at 7500 RPM
Maximum Torque (Kilogram) …….….…. 1.25 at 7000 RPM
Lubrication ……………………. Autolube (separate oil pump)


• Power Transmission

Clutch Type …………………………………… Wet, Multiple Disc
Gear Box Type ……………………… 5 Speed Constant Mesh

Ratios

1) 35/11 (3.181)
2) 30/15 (2.000)
3) 26/19 (1.368)
4) 24/22 (1.091)
5) 22/24 (0.917)


• Chassis Frame ………………………………. Double Cradle


• Suspension

Front …………. Ceriani type Telescopic Fork, Oil Damped
Rear ..…….…...... Swinging arm, Coil Spring, Oil Damped


• Fuel Tank ……………………………………………… 10.5 litres
• Reserve Capacity ……..…………………………... 1.5 litres
• Ignition Type …………….………………..…. Electronic CDI
• Battery …………………………………………….. 12V – 2.5 AH


Modifications till date
  • Handle Bar changed to RD 350 original accessory (I picked this up as soon as I had left the showroom)
  • Expansion chamber – Proton (Euro II compliant version)… It has enhanced low end torque and gives a tremendous boost once you cross 300 RPM (indicatively.. the bike doesn’t have a tacho) …
Listen to the sound of the engine here ...

Proton Expansion Chamber.mp3

  • Rear Suspension has been changed to Dual Coil Spring … similar to the one in Bajaj Discover
  • Tyres – The rear sports a Michelin Gazelle M62, 3’00 x 18 … The ride quality and handling has improved substantially over the earlier Zappers. The front has a regular tread Continental Contirib 2.75 x 18 … I have not upsized rims, I love the handling with the factory fitted rims, it gives a lot of confidence for my subtle style of riding (I don’t do over 60 – 70 in the city)
  • I got the tank and the engine block repainted last year but barring that everything else you see in the pictures is stock condition
  • I use regular HP petrol and ELF lubricants for the 2T oil chamber and engine.. In terms of major niggles, I faced a piston failure once because the oil pump failed, but otherwise the cardinal rule for all Yam’s apply ‘treat it well and it will never let you down’
Sorry about the rather long post, but hope you all enjoyed reading my synopsis of a rather epic 8 years with my Yamaha.


Pics given below ….. Cheers


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Old 11th April 2009, 00:28   #2
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very nice 4Strings! Must say the bike looks very well maintained. The mp3 clip does not work though, would love to hear the sound.

My friend also has a rx135 5speed which he got tuned from Down Town Works (DTW), Bangalore. His bike is soo responsive, it does wheelies with a flick of the throttle, no need for clutch!

Am glad you still love your ride!
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Old 11th April 2009, 08:48   #3
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@4Strings, some nice pics there, of a lovingly cared for bike.

The mp3 is not accessible. Pls check it.
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Old 11th April 2009, 09:16   #4
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Thanks @ xmOD and Condor,

I actually tried to embed the file directly from an upload site that did not work, so I have now posted the same on youtube.

Here is the link to hear the audio::




Thanks for all the kind words.


Cheers
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Old 11th April 2009, 10:12   #5
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Quote:
Originally Posted by 4strings View Post
Thanks @ xmOD and Condor,

I actually tried to embed the file directly from an upload site that did not work, so I have now posted the same on youtube.

Here is the link to hear the audio::




Thanks for all the kind words.


Cheers
hi,
i had one of those ( a full chrome proton expansion chamber) on my 1995 RX 100, it had superb mid and top end boost, sexy sound too, and best of all, no cops would catch u for changing the exhaust ,as they never figured it out.
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Old 11th April 2009, 10:56   #6
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Quote:
Originally Posted by whitemm550 View Post
hi,
i had one of those ( a full chrome proton expansion chamber) on my 1995 RX 100, it had superb mid and top end boost, sexy sound too, and best of all, no cops would catch u for changing the exhaust ,as they never figured it out.

What I love about the Protons (the one I have is from Taiwan) on the 135 is that it enhances the low end grunt of the engine as well. If you hear the audio with reasonable amount of bass, you'll know what I am talking about.

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