YAMAHA YPVS Not Working? YPVS Servo Motor Repair | 1989 Yamaha DT200R WR200

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0We found out last year the YPVS is not working on the 1989 Yamaha DT200R. This Yamaha Power Valve System is used on many Yamaha Motorcycles, WaveRunner watercraft and ATVs like the Banshee.
In this video we talk about what is Yamaha YPVS, How to test your YPVS Servo Motor and how to replace the Yamaha YPVS Servo Motor with a motor we bought on ebay
The replacement motor we used was 9.99 USD and called: RS-385 High Speed Micro DC Motor Brushed Metal Stainless Steel Gear Motor
00:01 Introduction
00:20 How I found out my YPVS wasn't working
00:50 What 3 things may cause YPVS to not work
01:14 1989 Yamaha DT200R Teardown to YPVS
02:38 Taking apart the YPVS Servo Case
02:58 Testing the Servo Motor with 12V from Battery
03:40 Removing the Servo Motor from casing
05:23 Installing New Servo Motor
06:34 Putting the Servo Motor Gear Assembling together
07:17 Adjusting the YPVS Power Valve cables and alignment
08:03 Testing the new YPVS Power Valve Servo Motor on the motorcycle
08:29 Reassemble the Motorcycle 1989 Yamaha DT200R
08:50 we found this part on the floor - what is it?
09:08 Disassemble everything again to replace the Rubber padding on Servo!
#yamahadt200 #dt200r #wr200 #ypvs #yamahapowervalve #2strokes #2stroke #2strokeengine

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Опубликовано:

30 авг 2022

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Комментарии : 43

@esmeben Год назад

Great work, thanks. I have a DT125R here in the UK, they aren't fitted with the PV servo as std, I have fitted one to mine and it makes a hell of a difference to the performance, now yours is working it will make a great bike even better.

@mudbrats Год назад

its night and day difference! thanks for leaving a note and watching!

@stubbysquid1 Год назад

I've got a 1988 dt200 very similar bike and I've been having issues with my power valve for months! This video definitely gave me a better understanding of how it's supposed to work. Thanks for the great content!

@mudbrats Год назад

Glad it helps! Thanks for commenting!

@shark360fh Год назад

You are awesome! Thank you very much from an owner of a DT125 in Germany.

@mudbrats Год назад

glad it helps and Thank-You 🤘❤️

@gasnxt6805 Год назад

I bought at dt200 that was rebuilt by the previous owner, the bike was gutless. The servo was moving but upon inspection in the exhaust port i found the power valve was upside down. Cleaned it up and installed the correct way. The power differences was mind blowing lol

@mudbrats Год назад

thats awesome!

@charliecharliecharliecharl8554 11 месяцев назад

Good video Classic DT bike 👍👍👍

@mudbrats 11 месяцев назад

Thank you! And my bike also thanks you 😎

@alanreyes9848 Год назад

Saludos de Venezuela isla de Margarita

@mudbrats Год назад

❤️

@angelalvarez-jr1qq 2 месяца назад

Hi there, how it was without the valve not working ? I’m going to swap the engine and installed in a small Yamaha blaster for my son but dot know how to make the valve working , there is not harness or wiring on the blaster to give valve the necessary info to make it work , any idea? Can I just leave the valve wide open and the engine still will work ? Thanks a lot

@vfrchris100 Год назад

Excellent video. I wish This had been available 6 months ago. My servo wasn’t working - same as yours the motor wouldn’t move. I had to buy one from ebay $$$! The 3ET is rare as it is the 3 wire servo with controller onboard - other ypvs have separate controller box. Can I post a link to where you got your new motor - I’m going to repair my old one now!

@mudbrats Год назад

Thank-you! if you expand the video description i state the name and model of this motor - it was 9.99usd last fall. There are tons avail on ebay. Good luck on the rebuild, let me know how it goes

@vfrchris100 Год назад

@@mudbrats Got it - much appreciated!

@dannythomas8296 Год назад

Hi there isn't there another more powerful Moto what would fit ? The one you put on seems slow in motion it's meant to be more faster in the pv cleaning cycle when it makes the noise thinking maybe more powerful battery similar in size may be more beneficial as to rpm's

@markgodfrey1847 Год назад

Great video! How did you find the power gains with a working YPVS?

@mudbrats Год назад

Night and Day - A lot more snappy bottom to mid range. Really Livened up the bike. Thanks so much for your insight in this!!!!

@jessebrown9046 Год назад

Mine quit awhile back and its the yamaha chip i think, because the motor works and the capacitors on the circuit board are good so I bought a new, old stock dtr125 3 wire servo on ebayuk, it was from a yamaha dealer, it never even had the grommets, the tzr125, dtr125, sachs 125, Dt200 R 3 wire servos are all the same, I fixed my DT200L servo by replacing the motor, thank god because the controller is seperate, you can pin them open but you loose all bottomend basically but once it hits 6000rpm it hits like a freight train lol

@mudbrats Год назад

thanks for the insight - will definitely help other viewers who have YPVS issues beyond the servo motor! I agree you could leave it open but its a different bike and loads of even power and torque now the YPVS works - wheeeeeeeelie!

@harryshann2039 Год назад

Hi could you explain what I put in the ebay search bar to find the right motor thanks ?

@harryshann2039 Год назад

There's just loads of different one's on ebay and am unsure which one I need

@mudbrats Год назад

@@harryshann2039 look in the other comments or in the video description - i put the exact name there

@charliecharliecharliecharl8554 11 месяцев назад

U want to get a dep exhaust for it because some standard exhaust have baffles in them to restrict the power to specific hp to specific bike licence

@mudbrats 11 месяцев назад

I would love to put one on!

@charliecharliecharliecharl8554 11 месяцев назад

@mudbrats 👍👍

@danharcombe6569 10 месяцев назад

Mine was the signal wire black yellow had fatigued just before the servo body

@mudbrats 10 месяцев назад

lucky!

@stubbysquid1 Год назад

Any chance you remember where you got the "new" servo motor from? I can't find one

@mudbrats Год назад

you can find them everwhere - ebay for sure

@harryshann2039 Год назад

Hi could someone please explain what motor I will need to order as I don't no which one to order ? Or will any motor work thanks

@mudbrats Год назад

The replacement motor we used was 9.99 USD and called: RS-385 High Speed Micro DC Motor Brushed Metal Stainless Steel Gear Motor

@jonminnella4157 Год назад

My bike has problems to my power valve servo moves bike has problems stalling when coming to a stop also has issues with toppend power I can't get the bike to go faster the 60 km any idea

@mudbrats Год назад

likely carburator or compression - maybe needs to be rebuilt

@jonminnella4157 Год назад

@MUDBRATS // SNOWBRATS hi thanks for responding since I wrote this message my frend has taken apart the entire engine we discovered the power valve was installed upside down also crank seals where leaking so I decided to do a complete rebuild thanks again for responding

@user-wn3ou6cd9s 28 дней назад

How did you tried if it works once you had everything put together?

@mudbrats 27 дней назад

yes - it added a lot of power on the bottom! its crazy snappy now

@Roby3269 Год назад

Where can I found that motor for sale ?

@mudbrats Год назад

info is in the description of the video - ebay is also a good resource

@angelalvarez-jr1qq 2 месяца назад

@mudbrats 2 месяца назад

Yes the engine still works with the valve open. And it still has good power. The valve gives quite a bit more snap on the bottom, but if you have never ridden with the valve working, you likely wouldn’t even notice.

@mudbrats 2 месяца назад

Every Video up until this video was on the bike with a broken servo motor/open Valve