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Thread: tr125 idle?

  1. 06-20-2006, 02:51 PM #1
    kinger's Avatar
    kinger
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    Question tr125 idle?

    My brother just got a yamaha yt125 in fairly good condition... but we arent sure what year it is and i need to know how to find out any and all help appreciated alot . thanks, Ben
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  2. 06-20-2006, 03:10 PM #2
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    Dusty is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    do you have a pic......
    My Trikes
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  3. 06-20-2006, 03:12 PM #3
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    no sorry i dont
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  4. 06-20-2006, 04:09 PM #4
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    does anyone know the ratio for mixing the gas in it??
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  5. 06-20-2006, 04:17 PM #5
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    doesnt the year have to do with the number on the frame?
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  6. 06-20-2006, 07:09 PM #6
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    Unclediezel is offline Got The Holeshot Arm chair racerJust too addicted
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    give us the first three numbers on the steering stem------
    Buy American! Unless your only option is a HARLEY.

    A customer walked in to my shop and Impatiently stated "My car doesnt start, Whats the problem?"I responded with a smile-"Yep that sounds like your problem alright"----
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  7. 06-20-2006, 07:19 PM #7
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    Yamaha Tri-Moto is offline Just Too Addicted Arm chair racerJust too addicted
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    Ya, look at that and as for fuel/oil mixture im not sure about the 125's but I know the 175's are oil injected. If yours is not or has been taken off I run eaither 20:1 or 32:1.
    1984 Honda 250R
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  8. 06-20-2006, 09:16 PM #8
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    The 125's are also oil injected, and work pretty well, but I dont trust them. A mouthful into tank is cheap insurance, and a great Mosquito repellent.
    Buy American! Unless your only option is a HARLEY.

    A customer walked in to my shop and Impatiently stated "My car doesnt start, Whats the problem?"I responded with a smile-"Yep that sounds like your problem alright"----
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  9. 06-21-2006, 12:06 AM #9
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    Ya, I took the injection off of my 175 also, I feel safer that way.
    1984 Honda 250R
    1985 ATC 250SX
    1985 Tri-Z 250
    1983 Honda 250R
    1986 Honda 350X
    1983 Yamaha Tri-Moto 175
    1983 Honda Big Red 200
    1981 Honda ATC 110
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  10. 06-21-2006, 12:19 AM #10
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    40:1 i think. but no promisses..lol
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  11. 06-21-2006, 12:51 PM #11
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    ok well after i posted the question about the ratio we were taking it apart to calean the carb and stuff...and we noticed it was oil injected... the first three numbers/letters are 4u3
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  12. 06-21-2006, 02:08 PM #12
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    we can not get it to start...what's the problem? the engine is getting gas and the plug makes a spark but it doesnt even sound like its trying to start... HELP
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  13. 06-21-2006, 07:35 PM #13
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    Take the plug out---put your finger over the hole tightly, and give it a rip---it should "PUFF" past your finger.
    Buy American! Unless your only option is a HARLEY.

    A customer walked in to my shop and Impatiently stated "My car doesnt start, Whats the problem?"I responded with a smile-"Yep that sounds like your problem alright"----
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  14. 06-22-2006, 08:24 PM #14
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    yea there is good pressure but it seems to be getting too much gas...how do i fix that?
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  15. 06-22-2006, 10:09 PM #15
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    YES!!! we finally got it running but it wont idle...what are the settings for the different screws on the carb?
    Last edited by kinger; 06-22-2006 at 10:21 PM.
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