2006 Polaris Trail Blazer Trailblazer 250 2-stroke wouldn't start.... Solution in Description
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- เผยแพร่เมื่อ 16 ต.ค. 2024
- It ended up being a faulty crank seal installed by a previous mechanic. Also, I simply sprayed some Starter Fluid in the cylinder and it fired right up - and again and again from then on. Don't ask me why.
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I replaced the crank seals. I also simply sprayed some contact cleaner into the cylinder and it cranked right up the first time. Ran fine after that.
Dude you spot on! Good video
had a suzuki that would only fire with the starter button held down. Ended up being a short on on a ground wire that was grounding out the engine. probably not your issue but wanted to share for others.
😆 crank seals yup I did them on my 93 too when I did the starter.
Thanks for the video. I have been dealing with the same sigue for a month. I will try replacing that this weekend.
If everything checks out, good compression, good spark, fuel getting through the carburetor, good ignition coil, good throttle safety electronics, the only thing left is the crank seals. And they do make a difference. They are inexpensive, easy to replace, worth doing if you have no idea if they have been done. Here's my video on doing the seals. th-cam.com/video/lqWHl8UWsTU/w-d-xo.html
Any progress? I just posted a couple of new videos about this model. Another fix to get it started...
I have one with the same problem, Good Spark, rebuilt carb, good compression plenty fuel but just pops and wont run. Almost wants to start but falls off to nothing. Thanks for the info, checking seals this weekend.
Here is the playlist thus far with this bike. The project has been on hold for a little while. But here is what we have done so far. th-cam.com/play/PLVsdJzatTm_VySzQES7XBCxJFakTUHTbY.html
thanks. i have been dealing with the same issue, im getting good compression, and spark it just will not crank but i will definitely try this.
The spark it was getting might not be strong enough. Because once you put the spark plug inside the hole, the amount of compression can reduce the spark within the cylinder. So it needs to be pretty significant spark, not just a little bit. If that makes sense. So you can try a different coil, or a different stator or even a new spark plug. Let us know what you find out.
Something else we noticed, if you get "shocked" by grabbing the spark plug wire when you are trying to crank it, that is also definitely a problem. (Even if there are no bare or damaged areas to the spark plug wire). This means the voltage going through the spark plug wire is being lost. So you have to replace the spark plug wire as well. But you can usually purchase the coil with the wire. Just make sure you get a good one. And not the cheap Chinese one.
Here is the playlist thus far with this bike. The project has been on hold for a little while. But here is what we have done so far. th-cam.com/play/PLVsdJzatTm_VySzQES7XBCxJFakTUHTbY.html
It ended up being a faulty crank seal installed by a previous mechanic.
Wheres the crank seal at
@@wildernesslife8600 on the crankshaft. Of course....
@@HorsepowerHouse brain fart. How can you tell if that's what's causing it? Just replace it.
@@wildernesslife8600 because it's a common issue on a 2-stroke that won't start - if you have checked everything else.
@@wildernesslife8600 With 2-stroke motors, if the crank seals are worn - the compression will be decreased, vacuum will also be decreased - and no motor can run with low-ish compression & vacuum. So, if it's not the top-end, piston, rings, gaskets, carburetor, electronics, etc - it's the crank seals. And depending on the model you have - it CAN be a difficult just to replace both seals. As they say "your mileage may vary..."
Read the comments for answers...
I'm having this issue too. I rebuilt the carburetor (new gasket, new jets, and hardware) and it ran fine. I let it sit for about a month and tried to start it and it wouldn't start. I cleaned out the carburetor again (it was still spotless from the last cleaning anyways) and now it will not start at all. I've tried hand cranking it and electric starting it and nothing. It'll flood itself and I just don't get it. What do you think I should do? I know it's getting spark, it's got good compression, and it's definitely getting plenty of air and fuel. Any suggestions? Thank you
In another one of my videos - after
this one, I show the exact fix I did. Which was nothing more than spraying some contact cleaner into the combustion chamber. Or you could use starting fluid. Whatever you prefer. This thing started right up after that (and has ever since.) And I changed nothing else. No, I don't know why. All I know is it happened and it worked. So remove the spark plug, spray some contact cleaner or brake cleaner, or starting fluid down into the cylinder, install the spark plug, and see if it fires right up. Also, if you say you have spark, how much spark do you have? A little bit of spark may not be good enough under compression and load. But if it is a very bright Brilliant Blue spark, you should be okay. There is a difference between just 'spark' and sufficient spark. If that makes sense. So make sure you have sufficient Spark.
And what do you consider a 'good' compression?
I also noticed that it makes a difference if the air filter is installed, as well as the airbox is installed with the lid. I know that doesn't make any sense either. But it is what it is. Many other people will tell you the same.
It is mixed gas being used right?
@joncefye9501 only if you do not use the factory oil-injection system.
i know the pain i picked one up took the carb apart floats still float .i had no spark at plug and had remove kill switch wire at coil so now i have spark but doesnt seem to get fuel will fire up with starter fluid sprayed in the spark plug hole ,i am in the same boat bother keep me in the loop
If it's not getting fuel it's obviously carburetor related. Make sure fuel flows though.
Make sure the petcock valve inside the fuel tank is not dirty or malfunctioning
Oh, I sprayed starting fluid in the intake, and this quad started right up and ran perfectly from then-on. But did not want to start before that. And I checked EVERYTHING.
I'm having problems with my 250 but I believe it to be intake gonna get new one and have carb clean than give it a try
What is it doing?
Have you figured it our yet
Read the title and description
I'm having the same problem
Read all of the comments.
I’m having the same issues tired everything in the comments still nothing. I have a Polaris trail boss 330.
Spray contact cleaner in the cylinder. Made mine fire right up after I checked (replaced) everything under the sun. And ran perfectly from then on.
Otherwise, simply find a mobile mechanic. Let someone else solve it.
I'm having a problem with it start it has good compression ,good spark, carb cleaned the only was that I'm working on it for someone that crashed it in to the river I got all the water out flushed out everything but still with that nothing just thought I could ask a fellow mechanic for some tips
What all have you replaced? And what year is the quad?
@@HorsepowerHouse was able to save piston and cylinder at the moment I just noticed the spark plug has spark but very little I appreciate your help and it's a 2001 tb250 two stroke
@@mycagonzalez9716 Yes, if it only has little spark, you might need to replace all - CDI, Coil, Stator. It is probably a good idea to go ahead and replace all of them. I had to do the same on this ATV. After more than 15 years, the electrics begin to fail. You can get "generic" ones on eBay. Not very expensive. Just make sure you get the exact ones that look like your original parts.
@@HorsepowerHouse thank you for your help it was the stator and coil
@@mycagonzalez9716 Great! I have learned when working with vehicles like this - older than 15 years - just go ahead and replace all the electrics and be done with it. Otherwise you will struggle and fight with it. Been there. lol