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Messages - Dmonies

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General Discussion / Re: Why is my engine back lashing?
« on: January 27, 2019, 01:02:47 AM »
thanks for your help I got the engine started. soon as I get my stuff cleaned I will post pics of my contraption I honestly think im going to put it on a smaller atv frame and have like a 3 wheeled offroad can-am...… but I do believe the engine I have was suppose to be destroyed because it was and 2 styles of kymco motors they were trying to fit together in a transition of scooter model.... atleast I was told something to that nature

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General Discussion / Re: Why is my engine back lashing?
« on: January 26, 2019, 06:17:13 AM »
Quote from: scooterfan on January 26, 2019, 04:58:11 AM
Modifications like this can easily cause a lot of headaches. Not knowing the mileage cocered by the engine might be a problem as well. If possible, I would at least try to do a compression test on the engine to see if i’ts worth spending time on getting the engine going properly.

My 2cents, good luck.

it has excellent compression and id say only test miles were the only thing ever put on the motor. when I bought the motor I was told it was suppose to be destroyed(Im assuming that being it doesn't have any kind of serial number on it) but a friend of mine who works at a salvage yard brought it to me because he knows I like small motors etc. it was brand new still tho I don't think it had even had oil put in it yet. the rings are excellent and all. but here is something else strange I thought. the motor has probably 25 pickup contact things on the flywheel instead of only 1 like most, and the flywheel reads LEA1 while the motor reads LEA3

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General Discussion / Re: Why is my engine back lashing?
« on: January 26, 2019, 03:54:49 AM »
I have 2 200 kymco likes. and a 150 movie as well as the 50cc kymcopmotor. I really have questions about all of these. but for now the 50cc motor. iv made my own wiring harness for the 50cc kymco motor. it fires and it did run once upon a time. for about an hr. I don't have the whole efi system so stuck a 50cc carb on it and made it work. well I didn't fool with the engine for a week or so and when I came bak to it it wouldn't start at all. Had good spark and everything just not starting so I messed with carb for a while. still wouldn't start. I just recently got it to act like it wants to run again but while im cranking it over it makes a god awful noise(like it is coming from starter maybe) and it jolts the engine forward and keeps trying to crank. Iv noticed one thing strange about this motor. Its that it has 2 small intake valves on the same rocker arm and only 1 exhaust valve.

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General Discussion / Re: Why is my engine back lashing?
« on: January 26, 2019, 03:06:31 AM »
Im not to sure what model of scooter my engine was originally on. The head jugg and the block are all stamped LEA3. where most is horizontal engines serial mumber is located my engine doesn't have one all it says is KYMCO LEA3. I do know it was originally EFI but I don't have the whole scooter all have is engine and efi intake. iv got a normal 50cc scooter carb in the efi intake. but Iv got it sealed up good I do believe

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General Discussion / engine matters ?
« on: January 26, 2019, 02:58:59 AM »
can somebody who is good with this help me determine what scooter my engine was originally on? It is stamped LEA3 on the head the jugg and the block but when I search it online it doesn't come up with and actual scooter or models of scoots. its mosty in different languages

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Technical | How To / MOVED: Why is my engine back lashing?
« on: January 24, 2019, 07:21:31 AM »
This topic has been moved to General Discussion.

http://www.kymcoforum.com/index.php?topic=27639.0

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General Discussion / Why is my engine back lashing?
« on: January 24, 2019, 07:15:05 AM »
Can somebody help me figure out why my motor keeps on back lashing after firing a couple times. Is my Timing wrong?

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