Yamaha tr-moto 125 shifting

[mad1818]

I got a 125 tri-moto from a friend and got it running today. It just needed a good carb cleaning and started right up. I have never ridden one of these so help me with the shifting. When I pull up on the shifter it goes right into gear and kills cause it wants to start moving right away. If I get it moving first then shift it into gear it's all good. Does this thing have a clutch like a motorcycle or how is it supposed to work? Thanks

[Vealmonkey]

It has a clutch, but the clutch is hooked into the shifter. Whenever you move the shifter peg to shift up or down into a gear, it's like you just pulled in the clutch. And when you let your foot off the shifter peg, you have just let out the clutch. Your clutch probably needs adjusted.

[mad1818]

Thanks for the reply.
Okay, so when I pull up on the shifter to put it in 1st I need to keep holding it up give it some gas and slowly let it down? Then it'll start moving?

[WIkid500]

You could do that, and that would work but you should be able to sit in any gear and it should idle. There should be a screw with a jam nut on the right hand side by the clutches. Turn the screw clockwise I believe till you feel tension then back it up a quarter turn then tighten the jam nut. That's how my ytm-200 adjusts. I'd think they are similar.

[mad1818]

It definitely won't sit and idle in gear! I'll check the adjustment tomorrow.
Thanks for your help.

[WIkid500]

If the adjustment doesn't help I would think the spring on the centrifugal auto clutch is broken thus not allowing the shoes to disengage.

hope this helps

[bad350]

if you need a spring let me know, i have a few laying around you can have

[Vealmonkey]

On the yt125/175 trikes, there is no centrifugal clutch or centrifugal clutch springs. Just a regular clutch basket set up like on the atc90/110.

[mad1818]

Okay, I tried the clutch adjustment with the jam nuts. The only way it would sit and idle in gear is if I tightened it way up but then it was nearly impossible to shift it. I then reset it to just where I could feel the tension on the bolt and left it there because that's how I always adjusted the motorcyles. ( let me know if that's wrong) I drained the case and the fluid was more like gas than oil. I put regular 30w oil in it and it seems better but still wants to take off when I put it in gear, it just doesn't grab as hard. What kind of oil should be in this clutch/transmission case? Is there any other adjustments? Also, how many turns out should the small screw on the carburator be? Thanks

[WIkid500]

10w-40 is fine. I would ride it a bit maybe it will get better. The adjustment should be fine. no clue on the carb adjustment.

[TriMotoMan]

my yt 125 shifts with ease i just shift like any other auto clutch. i use yamalube 10w-40