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Zaloznikvti Started a new thread 1980 Yamaha yz 250
8/7/2017 10:41am Hello! I need some help! I have Air cooled YZ 250 1980 engine have new cylnder bore,New piston,new NGK B9EG.But i try engine start not go.Ignition coil have from YZ 250 1988..Gasoline come in cylinder..and it is have spark and ignition timing is ok...I think is something wrong with CDI unit....And for end i say sory my english not really...
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Zaloznikvti Added a reply to 1980 Yamaha yz 250
8/7/2017 10:41am Engine finaly work without problem..
https://www.youtube.com/watch?v=5DUTp6KCODM
https://www.youtube.com/watch?v=5DUTp6KCODM
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Zaloznikvti Added a reply to 1980 Yamaha yz 250
7/18/2017 9:08am Today i find new problem..I think is that problem for bike dont wont start running..It also leaked gasoline.here.
Zaloznikvti Added a reply to 1980 Yamaha yz 250
5/13/2017 11:09am Today i start bike is running about 5 second but not replace CDI unit yet...
Zaloznikvti Added a reply to 1980 Yamaha yz 250
5/4/2017 4:04pm Yes..also check source' coil and pickup' coil...and how i check CDI unit..or i throw it in the trash and i buy new..
Still I am thinking if this cdi, I have the right for this engine and ignition..
Still I am thinking if this cdi, I have the right for this engine and ignition..
Zaloznikvti Added a reply to 1980 Yamaha yz 250
5/3/2017 11:12am Today i check stator like that It shows me 490Ω ...This picture is just symbolic.
Zaloznikvti Added a reply to 1980 Yamaha yz 250
5/2/2017 2:39am This engine I buy by parts dont no it is run before or not...Yeah plug is wet..Just i try start with kickstarter...Upload some video how does it look...
Zaloznikvti Added a reply to 1980 Yamaha yz 250
5/1/2017 12:55pm But this thing on picture is in bad condition...Could be here, something goes wrong ..
Zaloznikvti Added a reply to 1980 Yamaha yz 250
5/1/2017 12:31pm Yes bike won't start. Yes, I suspect CDI unit...But I have a good spark..interesting...I checked as well as all the wires.