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Post by lukepop789 on Apr 25, 2013 5:43:19 GMT -6
I have been wondering what two stroke oil is actually best for my scooter, I have always loved klotz techniplate, however its not for oil injectors. could i use klotz TCW3? which is formulated for snowmobile, but compatible with oil injectors. What oil should i use? for best performance and least smoke? thanks
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yamaha U5E
by: lukepop789 - Apr 22, 2013 16:03:20 GMT -6
Post by lukepop789 on Apr 22, 2013 16:03:20 GMT -6
when i get going on it, a lose almost all power, until i choke it, and then it picks back up and goes. ive cleaned carb, and running sea foam through it. but not getting better
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yamaha U5E
by: lukepop789 - Apr 19, 2013 15:25:55 GMT -6
Post by lukepop789 on Apr 19, 2013 15:25:55 GMT -6
I get 25 mph on flat, sound right?
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yamaha U5E
by: lukepop789 - Apr 18, 2013 15:13:47 GMT -6
Post by lukepop789 on Apr 18, 2013 15:13:47 GMT -6
im used to atleast 50hp in a bike so I suppose gears in suck a smaller one will just take getting used to. what kind of oil should i run in it? 20w gear oil or just 10w40?
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yamaha U5E
by: lukepop789 - Apr 17, 2013 16:05:53 GMT -6
Post by lukepop789 on Apr 17, 2013 16:05:53 GMT -6
Thank you all. I hope it lasts a long time. i dont have blinkers or mirrors for it. also is it normal for it to bog down in third gear? id assume it is but want to check if you know anything about these. still havent found a wiring diagram online
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yamaha U5E
by: lukepop789 - Apr 15, 2013 14:24:34 GMT -6
Post by lukepop789 on Apr 15, 2013 14:24:34 GMT -6
and heres the speedo, to show miles. I bypassed the oil injection(ive never trusted them, and this is the first year they came out with them. so better safe than sorry on this old of a scooter) will that ruin the injector? or will i be able to put oil in it again and itll work? thanks Attachments:
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yamaha U5E
by: lukepop789 - Apr 15, 2013 14:19:23 GMT -6
Post by lukepop789 on Apr 15, 2013 14:19:23 GMT -6
other side Attachments:
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yamaha U5E
by: lukepop789 - Apr 15, 2013 14:17:58 GMT -6
Post by lukepop789 on Apr 15, 2013 14:17:58 GMT -6
Here she is, I have the white plastics and covers for cdi, they just arent on it. oil was waterlogged, i replaced and flushed it and that seems to help, the clutch is working better. shes a bit outa shape now, but new pant some body work and a ton of cleaning, and itll be real nice Attachments:
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yamaha U5E
by: lukepop789 - Apr 13, 2013 8:46:25 GMT -6
Post by lukepop789 on Apr 13, 2013 8:46:25 GMT -6
Hi, i bout this 1967 yamaha U5E, its very cool. and runs! the guy i bought it from says it has 37 original miles, the speedo says 370 but the 0 is white, he said the white is decimal, is that true? also every now and then it will cut in and out, almost like im reving it but I am not, (however i am holding down throttle some) is this due to the battery? i noticed it kind of goes away when i charge it more. Does anyone know where i can get a service manual? or a wiring diagram at least? is there anything i should know about these scooter? its like a tank compared to the newer ones Ive owned. thanks a lot!
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Post by lukepop789 on Feb 25, 2013 17:29:07 GMT -6
ok another update, i put an actual plug in it rather than a plug tester, nice blue spark, if i put my iver the plug hole and crank it over, it blows my finger off. however it will not fire worth anything, I put gas in carb, nothing.. put gas in cylinder, nothing. i can smell it burning, and the plug is dry afterwards, but no fire. what am i doing wrong here??
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Post by lukepop789 on Feb 25, 2013 16:51:16 GMT -6
uuupdate! i bout a new soconday coil, slapped it on there, and im getting spark! but veeerryy weak. not enough to fire even. im getting 110ohm through my primary, supposed to be getting 150. i think thats my problem, these are recondition able aren't they? can i take it apart reseal and rewind? Ive read of people redoing stators, which is almost the same thing, this should even be easier. thanks. I really dont want to shell out 50 bucks for a new stator
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Post by lukepop789 on Feb 21, 2013 15:12:10 GMT -6
and heres the button i found, i think its a light override switch... Attachments:
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Post by lukepop789 on Feb 21, 2013 15:10:53 GMT -6
heres the stator Attachments:
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Post by lukepop789 on Feb 21, 2013 15:09:37 GMT -6
here is a pick of the secondary coil and the stator.. the stator looks good, no heat marks or anything but yaknever know. my lighter coil work great. wish i could buy only a igniter coil. ill probably start by buying a new secondary coil(high performance American made) then see where it goes from there, if i have to buy a primary coil ill prolly try to buy a ricks performance coil and try to make it fit...let me know whatya think. Attachments:
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Post by lukepop789 on Feb 20, 2013 19:32:01 GMT -6
ok so I changed out the secondary coil with one i had sitting around, off a chaparral 440 snowmobile...idk how much you guys know about bigger engines, but that's all Ive ever worked on. but I'm getting some voltage through the coil now, enough to poke me if i stick my finger in there(my fav way to test for spark lol) but not enough to throw a spark when i hook up the spark tester. Is this coil just not compatible? not dropping enough charge for this small engine or something? thanks
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