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

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

[esmeben]

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.

[stubbysquid]

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!

[sharkfh]

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

[gasnxt]

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

[angelalvarez-jrqq]

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

[stubbysquid]

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

[vfrchris]

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!

[charliecharliecharliecharl]

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

[markgodfrey]

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

[harryshann]

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

[jonminnella]

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

[danharcombe]

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

[Roby]

Where can I found that motor for sale ?

[jessebrown]

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

[EliseoDuque-yg]

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

[alanreyes]

Saludos de Venezuela isla de Margarita

[angelalvarez-jrqq]

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