Cr125 2 stroke help !!!!

Power wise, almost. But its way easier to be fast on a 250f.

 

i have a 93 kx250 worked to the balls....
i have rebuilt the top end 4 times takes me like 1 hour no joke......
this bike has been under water numerous times...and i mean like under under...
and this bitch is redlined balls to the b=wall when i do ride it.....
lovin pwer band you better hold the fuck on......
if you had to work on a 4 stroke better break out the wallett
granted my bike is better started with a squirt of starting fluid untill she warms up but then
she start all day long

 

Cr125's are a whipcrack, hang onto that beyatch!!. lightswitch powerband,,you'll have nothing down low,,then KABOOM!!,,your doing the superman imitation trying to hold on.

I had a YZ-250 that was set up for desert riding, Steahly flywheel weight, 5.5 gal tank, Moose seat, reworked forks, Trailtech digital gauge for speed, distance, and ride time ,ect,ect,ect.

Jump/google online with your kickstarter question, your answer is out there easily. might be a simple,fix,,might not.

 

lol im going to use this as a quote in my sig mmk

 

do you guys think it could be the spark plug?

 

what as in the reason it wont start???
have u taken it out???
have u used starting fluid???

 

i dont know the reason, no & no .

 

I would try bump starting it first, if it wont then pull the plug and see if its wet. If it is try a new plug. If it still doesn't start it could be compression or the jets could be pluged with varnished gas.

 

i'll try that tomorrow, heres a pic of it

 

go back to basics make sure it has spark and gas......
there is not too much to go wrong with a 2 stroke

 

As some of the guys have stated, it could be a number of things.
worn rings
broken or stuck rings
hole in piston from leaning out
blown head gasket
broken rod (not likely, and you would hear it clanking or it would jam up)

I'd probably be most concerned about broken rings because that can score the bore and a holed piston because that splatters molten aluminum into the bottom end and should be cleaned out. If it is a holed piston you need to find the cause (dirty carb or intake leak) since it could do it with your new piston.

Did you get the service / owners manual. It will tell you how to do the top end and all of your spec's including torque.

BTW, whatever is wrong with it, it will be cheaper than the same problem with a 4-stroke.

Tear the top end offa that sucker and let us know what it looks like.

 

I wouldn't hand your cousin a dime, until you figure out what is wrong and the cost to fix. it might be a mailbox holder.

 

Thats a good strategy, if it turns out bad, he benefits by knowing exactly whats wrong with it for free.

 

2 strokes are awesome and simple to work on. Top end rebuilds are a breeze, no valves, cam, cam chains etc. Just pull the jug and take a look.

 

ok so heres the plug, what you guys think? it was running rich?

 

looks like it was running pretty good actually. Did it start?

 

Nope , Going to buy another plug just to test that one out.

 

So did you check for compression? this is what you do if you havent, remove the plug and place your hand/ thumb over the hole, if you can have somebody kick it and you hand does not come off the compression is too low.

Also if your compression is low you wont be able to kick it but you might be able to still bumpstart it if it isnt too low.

Check the basics first, you need air fuel spark and compression, then get fancy. Post up what you do and I can help you from there.

before you do anything get a can of ether, spray it into the airfilter and then try kicking it, if it doesnt start like that, move on to bump start.

If that doesnt work check to make sure you are getting a spark.

If you are then its compression if you arent its an electical problem.

 

Oh and it wouldnt be a bad idea to replace that plug, but check for a spark first just to rule it out.

 

yeah, and just FYI, the easiest way to do this is to have the plug out, but pluged into the plug wire. Then hold the electrode against the cylinder of the engine and have someone kick the engine over. You should see a small spark.