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nmarciano19
05-13-2019, 04:12 PM
Well im back again. My yt125 pull start unraveled itself when i tried to put a new rope on. Any tips or tricks anyone can let me in on. Also just rebuilt bottom end, now dang thing wont start. Has spark, fuel, 135 psi compression, and air. Im kinda lost here.

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ps2fixer
05-13-2019, 05:47 PM
Assuming it ran good before, maybe the engine rebuilt threw off the carb tuning? If you never had it running before, get a spark tester, one that uses a gap to test if the spark is good or not. The spark can be weak, but still appear blue/white. If it's yellow/red it's 100% poor spark.

For the pull starter, no experience with the yamaha ones, but for brigs you just put in the end of the recoil in the stopper spot that holds it, and coil it around till it's all housed in the housing.


Good luck troubleshooting your machine.

nmarciano19
05-13-2019, 06:42 PM
Assuming it ran good before, maybe the engine rebuilt threw off the carb tuning? If you never had it running before, get a spark tester, one that uses a gap to test if the spark is good or not. The spark can be weak, but still appear blue/white. If it's yellow/red it's 100% poor spark.

For the pull starter, no experience with the yamaha ones, but for brigs you just put in the end of the recoil in the stopper spot that holds it, and coil it around till it's all housed in the housing.


Good luck troubleshooting your machine.Ive done plenty of brigs starters. This one is reall becoming a pain

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El Camexican
05-13-2019, 07:29 PM
I assume it's like the starter on the YTM 200 so......

Get on YouTube and look for a video of the guys that put a nail in a piece of plywood and then use a variable speed drill to wind them up.

Get a spare set of hands, wear eye protection, wind it up with the drill and have your buddy put a long cable-tie around it when its tightly wound. Then carefully place the spring into the housing and push the spring into the grove as the cable-tie comes off.

I've done this alone and have the scars to prove it. A second set of hands should make it easy.

Get the starter fixed and then deal with the starting issue.

nmarciano19
05-13-2019, 08:06 PM
Assuming it ran good before, maybe the engine rebuilt threw off the carb tuning? If you never had it running before, get a spark tester, one that uses a gap to test if the spark is good or not. The spark can be weak, but still appear blue/white. If it's yellow/red it's 100% poor spark.

For the pull starter, no experience with the yamaha ones, but for brigs you just put in the end of the recoil in the stopper spot that holds it, and coil it around till it's all housed in the housing.


Good luck troubleshooting your machine.Completely forgot about carb. Ill try retuning. I had that fuel screw out as far as i could( really needed a rebuild).pretty sure i just flooded it. Ill let you know how it pans out

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nmarciano19
05-13-2019, 08:18 PM
Completely forgot about carb. Ill try retuning. I had that fuel screw out as far as i could( really needed a rebuild).pretty sure i just flooded it. Ill let you know how it pans out

Sent from my SM-J727U using TapatalkYeap shes running. Man feels good to smell that smoke again

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ps2fixer
05-13-2019, 08:48 PM
Cool stuff, thanks for the report back.

Where abouts are you in Michigan? I'm in mid michigan, so bay city, midland, gladwin area.

nmarciano19
05-13-2019, 09:06 PM
Right on the border of calhoun county with jackson county

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ps2fixer
05-13-2019, 09:39 PM
I see, you're about 2-2.5hr from me. Riding area is fairly limited where I'm at, lot more state land and orv trails north of me though. I suspect there's not much for public riding areas down there?

nmarciano19
05-13-2019, 09:44 PM
I see, you're about 2-2.5hr from me. Riding area is fairly limited where I'm at, lot more state land and orv trails north of me though. I suspect there's not much for public riding areas down there?No not really got some friends with farm land and they let me ride. Ride to work sometimes since im about a 2 miles from work.

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Zoila
05-14-2019, 01:29 AM
Well im back again. My yt125 pull start unraveled itself when i tried to put a new rope on. Any tips or tricks anyone can let me in on. Also just rebuilt bottom end, now dang thing wont start. Has spark, fuel, 135 psi compression, and air. Im kinda lost here.

Sent from my SM-J727U using Tapatalk

I've re-tensioned a couple of these recoil springs, they are a pain to get right as they have to be wound enough fit in the housing slot, my method is to :

1- clear some space on a workbench, you will also need a pair of needle nose pliers.
2-wear riggers gloves ( in case it lets go)
3- place spring on bench same way up as was removed, with one hand covering, hold down spring on bench flat.
4-start winding spring around ,pulling on it as you do to get more tension, but do not lift your hand that is holding it off. yet..
5-once wound fully, with your free hand- use your needle nose pliers to hold firmly the spring all together now you can take hand off.
6-place into recoil spring housing making sure to get the bent end on the outside to catch the stop tab before releasing pliers.

Hope this helps, regards Carl

roostin atc
05-14-2019, 07:57 PM
It helps to screw it down to a bench with long wood screws in the mounting holes. There is your extra hand. Take your time and be patient. Good luck.