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ty250 no spark

Posted: Thu Dec 03, 2015 7:00 pm
by tjay7
Hi All,

I recently purchased a TY250 b as a project and have only just started playing around with it. I cant seem to get a spark and have done a few things to troubleshoot but still no luck. Carb seems clean however I think ill have to pull it apart and clean the jets.

First, tested for spark with plug earthing on the head - No sign
Second, swapped for a new spark plug - still no luck.
third, disconnected the kill switch - still noting

What is the next step, should I be pulling the flywheel cover off and check the points?

Re: ty250 no spark

Posted: Fri Dec 04, 2015 7:45 pm
by David Lahey
hard to say without more info about the bike, but the ignition points are a common reason for lack of spark.
You should be able to have a look at them opening and closing through the hole in the flywheel

Re: ty250 no spark

Posted: Wed Sep 25, 2019 2:12 am
by Kombivan
Spark plug cap can break down and do often.

Re: ty250 no spark

Posted: Wed Sep 25, 2019 8:16 am
by Guy53
After having checked that the point open AND close, you can do the sand paper test: when the point are close slightly pry them open with a screw driver through a hole in the flywheel and lightly sand them with an extra fine piece of sandpaper ( I usually use a nail file ) check the sandpaper for trace of oil. Do not over sand. If you have a spark after that, it's time for new point.