1974 Yamaha DT 360 Logo
Posted on Oct 31, 2009
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I have 1974 yamaha dt 250 enduro the bike sat about two years cannot get it started compresion about 50 went thur the carb cleaned the gas tank new fuel new plug and a used ignition coil checked the intake reeds took the exhaust loose from the head thought it might have been stoped up i have spark thur a bulb type spark checker but when i ground the spark plug to check spark no spark

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  • Posted on Nov 16, 2009
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Clean contacts on points with sandpaper (800 grit). located behind flywheel, will gurantee a fix. you can remove the side cover and get to contacts through holes in flywheel without removing it.

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  • Posted on Nov 01, 2009
kevin bulsara
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Make sure the coil is earth proerly antry a differnt plug as some times even new 1s are faulty,

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  • Posted on Jul 21, 2010
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Check the half moon key, which holds the flywheel in alignment on the crankshaft, hasn't broken.

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Cranking over but no start. its getting compression, its getting spark, new plug, new battery, bike sat for very long time and fuel in shut off valve was had become gell but never got passed the valve into...
Clean the carb. There was gas in it when the bike last ran. The gas would have left varnish to gum up the carb. tombones49_264.gif
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Aug 21, 2011 • 2003 Yamaha TT-R 250
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I need 1974 Yamaha DT 250 enduro Parts Diagram and part numbers. Where can I find a parts diagram for 1974 Yamaha DT 250 enduro motorcycle?
GDay mate

Took a bit of scrounging bout the net, but I eventually found it!!

You can look at the parts diagram/part numbers for the old girl here

A rating and feedback is a great way to reward me for my efforts to find this for you. Cheers mate!!

regards
robotoek
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Jun 20, 2010 • 1974 Yamaha DT 360
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I have a 1974 dt 250 same as an dt 360 the bike has sat in a barn about 4 yrs it will not start removed and cleaned the gas tank went thur the carb new plug used ignition coil compression about 50 to 75...
Compression is too low!

Replace the piston rings.

Also check continuity from engine to frame till high-tension coil...
Check if breaker points aren't dirty ( clean out with fine sandpaper )
Check breakerpoint settings
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Oct 31, 2009 • 1974 Yamaha DT 360
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