Vacuum Leaks Part 1 : Replace Powerbox Pipe of Yamaha RX series
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- čas přidán 24. 07. 2020
- Hey guys, Hope you're all doing well!
This is the part 1 of identifying and fixing vacuum leaks in my bike and this should be helpful for you as well, if you are facing the same trouble as me.
Here, we check the powerbox and pipe and replace the pipe.
I hope you can notice the improvement in audio quality as many had suggested in the previous videos.
My main parts supplier : Adarsh Automotive (@tuners_craft) :
+91 96639 94688 : You can Whatsapp him (in english) for parts for 2 strokes and he can ship it to you.
Thanks for watching! Do subscribe to the channel for more 2 stroke content!
My Ride : 1997 Yamaha RXG
My Camera : AKASO V50 Pro w/external microphone
My Helmet : TVS-STUDDS - Auta a dopravní prostředky
Sir what is use of purpose of that spring around pipe
You making this video properly good job bro
Thank you :)
Beautiful maroon colour 💕💕💕
Thank you 💛
Bro just by watching your video. I've learned a lot ❤
Thanks man, welcome to the channel :D
@@BrattyBiker thank you for the warm welcome 😁😁
Cheers :D
Blue Smoke will definitely stay alive if there are many 2stroke enthusiasts as BRATTY BIKER
Thank you for the kind words :)
@Bratty Biker, the suction noise described while idling . . Was it happening when you are twisting the throttle a few points from zero ? And disappears on giving subsequent throttle?
Was it causing sort of metal screeching sound when bike is moving and throttle open more than half, Evidently at higher rpm?
This suction noise is evident when giving throttle from idle to raise the engine RPM. It is not heard that easily when the engine is revving higher.
No metal screeching sound was heard though. This is just air leaks, not loose bolts.etc
@@BrattyBiker thanks for the reply
@@sakthimahesh8 Cheers :)
Very good job
Thanks :D
Is there any online site that I can order a new power box and the pipe stuff bcz I am not in india
You can get the parts online by ordering through Whatsapp.
My main parts supplier : Adarsh Automotive (@tuners_craft on instagram) :
+91 96639 94688 : You can Whatsapp him (in english) for parts for 2 strokes and he can ship it to you.
@@BrattyBiker Thanku
Bhai kitana kharcha hoga power box ka price
What are the symptom of vaccum leakage..so that we can understand that's bcz of power box vaccum leakage..?
The symptom is what you can hear in the first clip before the intro of this video. An Air suction sound when you open the throttle of an idling engine. This sound resembles when you don’t have an air filter at all.
If you are able to hear this, then it is possible that there are vacuum leaks.
Where is this leak exactly ? Stay tuned, more videos coming on this topic since this is a series of me fixing this issue :)
@@BrattyBiker sure thanks for the reply bro.....
arun kannan Anytime bro :)
Power box is must need or not? I have to remove that box from my bike, after removing that box ,any problem comes for the engine or not?
The powerbox was provided from the company to improve lowend torque (Pickup/Acceleration) of the bike when you give sudden throttle.
No damage in removing that, but I’d just keep it.
If you are removing that, make sure you change the manifold to that of RX100 (along with reed valve gasket).
rx 100 power box installing any benifit?
None. It will not work on the RX100.
What does this power box do with regard to power of the bike?. I own an RX 100, but, never knew about this box on RX135.
The powerbox was designed and provided by Yamaha to improve low-end performance. When you suddenly open up the throttle to overtake, it takes time for the engine to pull in the air, carb to atomise and push out the fuel to the venturi and get mixed with the incoming air. The powerbox, works in a way that in every microsecond when the reed valve closes, some of the ready air fuel mixture thats at the intake manifold goes and gets stored in the powerbox. So when you blip open the throttle with the engine at low RPM, it can easily take the already prepared AFO mixture which is sitting in the boost bottle, instead of relying on the carb. But this happens in a ridiculously short amount of time as the boost bottle would get over and the carb would take over the job.
@@BrattyBiker Now understood, and thanks.
@@splatharackal1337 Cheers!
Another cause of unstable rpm is carburator over flow check float seat and float neddel for an old bike like rx float seat would have worn out most probably if seat is not avilable you can try to repair (with your own risk) keep the float pin in float seat and tap very lightly because it is brass careful don’t damage float pin and you can test by filling a bucket full of water and blowing air in fuel inlet and holding float pin pressed against seat dont apply too much pressure and see if you can see any bubbles if not good you are done this problem gave my so much trouble thats why i am sharing 😊
Very well said sir.
You really got a sound knowledge on 2 strokes... and your way of explanation is outstanding..
Thank you for the kind words :)
Bro what handle bar u r using , hope this not of rx series .
The handlebar is from a TVS-Suzuki Shogun.
Apologies for the late reply.
Hai, having a doubt sir,,,
If airbox is leaking then how the
Air fuel ratio become lean.
If power box leak 0r oil pipe connection leaks.it happens... 🤔🤔🤔
Honoured to see your comment in one of my videos sir.
When airbox is leaking, it allows more air to enter through either the cracks in the box, hence it makes the mixture leaner.
@@BrattyBiker
Every one is a lerner sir.my doubt continues....then uni/K&N filers do the same or not.
They enhance the air flow(amount of air) like a leak in the air box is it like that???
Yes, people install such filters so that the engine can recieve more air than what the stock air filter setup can.
Filters like UNI,K&N allows for more air intake (less filteration too).With them installed, you have more air, you have to upjet the carburettor (use bigger jets) so that the engine doesn’t run too lean & destroy itself.
Generally, the UNI filters you get here in India, are fakes & they don’t perform like the originals you get it in USA. So I’d suggest people to avoid it.
@@BrattyBiker ok. Thank you bro. Keep going... full support....
Thanks sir, cheers! Your videos are awesome too!
Power box damage how to find? Bike over racing that the failed power box
Yes, as a broken box or cracked pipe can lean out the mixture and cause idle RPM to raise. I would suggest you to manually and visually inspect it before you conclude that it is the problem.
Will I get the pipe and spring separate
Yes. Available in most spare shops.
👍👍👍
Thanks!
My rx 135 doesn't have power box. Is it fine ?
Yes it will run fine, but with the powerbox, you’ll notice a small benefit when it comes to in-gear acceleration which is good for negating city traffic.
bro i need a fibreglass reed valve for my tvs max 100, is there any way i can get one
No, the fibre reeds are made for high performance bikes like the Shogun/Shaolin and RX135. Max 100/Samurai, even if you find one that fits, there is no performance difference. Keep the engine stock and it will be great. It is not really suited for performance modification like fibre reeds or porting.etc
@@BrattyBiker bro actually i am modifying my tvs max 100, its already been ported and raised for improved breathing, the exhaust duration is now 180 degrees and transfer duration is 124 degrees which will raise the rpm band to 8000 rpm and also i have made a expansion chamber for the improved breathing, but now i need a fibreglass sheet so that i can custom made my reed valve petals, the aim is to make dual reed valve, is there any way i can get a fibreglass sheet so that i can easily cut and custom made my reed valve, a good reed valve will greatly help its breathing performance
@@kaushikkalita7310 Amazing work! Did you work something about cooling ? TVS engineers made the fins larger on the Shogun and Shaolin for this issue as it was hard to keep them running cool.
For the reed, It's possible to mod the cage to install Shogun reed valve. The Max came with a 2 petal reed, so you'll need to enlargen the reed cage and the Shogun's fiber reed should sit. Better yet, try finding Boyesen reed valves,
Best wishes on the project, if you are in Chennai, I'd love to feature the bike on my channel.
@@BrattyBiker yes i am also working on the cooling system, i will use ram aim cooling system just like it was suzuki gt 550, and also i have increased the compression ratio to a sweet spot which will help the engine to reduce the exhaust gas temperature
@@BrattyBiker thanks bro for the wishes
I want new corborator Yahama rxg 135. You can help me please....
New one original is very hard to get due to no production. Go for a used good condition working carburetor.
Hi bro
What will happened in the absence of power box
The boost bottle/Power Box was provided by the company to improve low-end torque or acceleration (pick-up).
When you remove it, the low end torque reduces.
@@BrattyBiker actually my rxg has very low pickup ,top end also not good .Is that related with powerbox
Could be. You can try installing the powerbox setup (135’s intake manifold,pipe and boost bottle). The RXG is actually a very quick bike, which had good lowend punch.
Check your carburettor’s tuning.
Check if your clutch is slipping.
Check if your chain & sprockets are good and the chain is adjusted and lubed properly.
Re-calibrate the oil pump or if you are running premixed, premix abour 25-35ml of oil for every 1 litre of fuel. Too much oil can cause leaner mixture = weaker combustion = weaker performance and especially lowend pull.
@@BrattyBiker sure bro .
Carburetor,manifold,Reed valve, checked and working properly
Chain and sprocket also new one .
Need to check power box .
@@vimalvs610 You can also try cleaning off the head and piston's top,exhaust port of the block/bore and finally fully clean the exhaust. There might be a lot of carbon deposits in them which makes the flow very restrictive. Cleaning them out ensures that the port and exhaust is free and doesn't have restrictions to the flow of gasses which can improve performance and efficiency
What happened If I remove power box from my RXg ???
You will face slightly reduced low-end pickup when you blip open the throttle.
Vaccum leakage will decrease mileage?
Yes.
What is the purpose of this powerbox?
Helps in sudden throttle input when RPM is low.
If ur oil pump is not working then block it's feed pipe to carburettor and retune the carb! Will fix ur problem!
Yes sir, I have done that. Made a seperate video on removing the oil pump and sealing the oil line.
In my rx 100 there is no PowerBox?
Yes, it was not provided for the 100.
@@BrattyBiker PowerBox is necessary for rx100?
Not really necessary. That’s why Yamaha didn’t provide it.
@@BrattyBiker tq so much Broh🖤💯
Cheers :)
Bro rx 135 ka Power box nikaldu to mileage badhega ya nahi
Can you please comment in english sir ? I’m not able to understand this language.
@@BrattyBiker He asks, if the power box is removed, will mileage increase ?
@@splatharackal1337 Thanks. I don't think there will be a change in mileage due to the removal of the powerbox. I could be wrong though.
ITS VACUUM* NOT VACCUM
Thank you, I believe I have titled it correctly but used the wrong spelling on the thumbnail. I shall try to correct them.
Video is very useful👍
Thank you, glad to know that it helps :)