smellthe2stroke

Wow I feel for your little guy..

I am familiar with belt /clutch maintenance on big  Yamahas.  

The You tubes i looked at mentioned :

1.  There are two (2) speed limiters on that machine...but i am sure you checked that

2. There is a "spark arrester" in exhaust that easily gets plugged.  That will limit power.

The dealer sould give some pointers.

BTW I have bought OEM parts off Amazon...Yeah they came in an official Yamaha parts wrapped container.  I have also bought OEM parts off EBAY...

If you are stuck with buying parts  go to the yamaha web site.  With your model number they will list parts WITH the yamaha part number.  So if you buy from Amazon or Ebay you can verify the correct OEM part with that number.

Good luck

Hello everyone, I hope you are all enjoying the day. I just got back from a ride with my wife and son. We rode through a lot of water due to the heavy rains we having. On the way home my sons yfz50 lost power and would barely run at 15mph. It has always been a lot more powerful. It is not bogging or missing or smoking. It seems to be running normally. All fluid levels are where they are supposed to be. The fluids are clean, the air filter is clean, the brakes seem to be working correctly. This little quad might have 25 hours total on it max. Is it possible for the cvt to get stuck in high or low range? I have been looking for procedures for troubleshooting and adjusting the cvt but so far, no dice. The owners manual is practically useless.

If anyone has any experience with one of these little darlings it would be helpful. Do you think all of the water we rode through might have done something to is?

Sincerely,

Smellthe2stroke