Clinician
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Post by unclemike71 on Feb 24, 2015 22:44:52 GMT -6
I just got a Yamahopper with 300 miles on it, the guy I got it from couldn't keep it running. I brought it home ,cleaned the carb and it ran like a champ around the block. My son took it for a spin and seized. I cant tell if the oil injector is working or not. Any ideas of what could be the problem? Should I get a block off plate? HELP!!
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Post by cyborg on Feb 24, 2015 23:02:51 GMT -6
Bad or plugged oil injector? If it sat a while the injector may have gotten plugged or gummed up,,, Does it have oil in it?,,,sorry I had to ask,,was it a " soft" seize? I hope so ,, run the gas premixed
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Clinician
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Post by unclemike71 on Feb 25, 2015 0:45:49 GMT -6
Bad or plugged oil injector? If it sat a while the injector may have gotten plugged or gummed up,,, Does it have oil in it?,,,sorry I had to ask,,was it a " soft" seize? I hope so ,, run the gas premixed Definitely sat, 300 original miles , oil in the reservoir....and yep soft seize. |
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Doc's Anything Goes
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Say no to scooter abuse
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Post by jct842 on Feb 25, 2015 9:50:30 GMT -6
If the oil level doesn't go down it isn't working but in mean time premix or you will kill the engine.
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Post by cyborg on Feb 25, 2015 11:59:36 GMT -6
When I was running 2 smoke triples I soft seized a couple times,,, didn't seem like it did any damage,,, I'm sure it wasn't good for them but I ran them for many thousands of miles after,,, so it's not the end of the world,,,, I think a disassemble of the injector and hit it with some acetone and reassemble and you'll be good to go ,,, or remove it and plate off the port and go premix,,, easy peasy
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Clinician
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Post by unclemike71 on Feb 26, 2015 13:29:12 GMT -6
If the oil level doesn't go down it isn't working but in mean time premix or you will kill the engine. Thanks for that .....what ratio on these things? |
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Doc's Anything Goes
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Say no to scooter abuse
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Joined: Mar 31, 2010 19:07:16 GMT -6
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Post by jct842 on Feb 26, 2015 14:23:46 GMT -6
Out boards go 50 to 1, chainsaws and weed wackers usually go 40 to 1. When we have oil injection they usually don't give an alternative mix so you just guess. I would like to see a wiff of smoke in any 2 stroke I rode so if it took 40 to 1 thats what I would use. If you get too much oil the spark plug will get gooey.
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Post by cyborg on Feb 26, 2015 20:47:55 GMT -6
I'd start 50-1 then check if too rich back off,, 45-1 and so on,,, I ran mine a little wet on the summer myself,,,it gets damned hot here
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