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Post by buck1963 on Nov 25, 2019 15:21:25 GMT 1
hello all,new member here fron north east England,first of all thanks for letting me in!
now ndown to the nitty gritty! ive just bought a 31k ypvs hybrid,it ran rough for 30 seconds or so when i picked it up,after a quick look over it had no vacuum pipe connected from the petrol tap to the carb,dead easy one to sort! had it running this morning and it ran ok for a couple of miniutes then died on me,ive checked and theres no spark at either plug,sidestand has been bypassed and it hasnt got a kill switch(just a bundle of wires) ive orderd a haynes but i was looking for a few pointers so i can get a start on it,many thanks
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Post by dusty350 on Nov 25, 2019 15:54:15 GMT 1
Hi Welcome to the forum  Wiring sounds iffy, but the fact you have had it running means it may be a loose connection somewhere, bad earth, or the bundle of wires where the kill switch should be may have affected your spark. A decent A3, colour wiring diagram will help you a lot if the loom has been butchered - someone here may have a link to one for a 31k. Hope you get the spark back  Dusty |
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Post by midlifecrisisrd on Nov 25, 2019 17:11:31 GMT 1
Yes wiring sounds butchered
31k's don't have stand switches so maybe the loom isn't 31k. F2 had stand switch
Get the tank off and check the connectors and what model cdi is fitted. 29k50 is well known to have intermittent sparks
Steve
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Post by andy748 on Nov 25, 2019 17:17:05 GMT 1
Hello and welcome in, if you need a F1/N1 or F2/N2 colour wiring diagram let me know, i'm from the North East too. Andy.
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Post by lambert on Nov 25, 2019 17:39:55 GMT 1
hello all,new member here fron north east England,first of all thanks for letting me in! now ndown to the nitty gritty! ive just bought a 31k ypvs hybrid,it ran rough for 30 seconds or so when i picked it up,after a quick look over it had no vacuum pipe connected from the petrol tap to the carb,dead easy one to sort! had it running this morning and it ran ok for a couple of miniutes then died on me,ive checked and theres no spark at either plug,sidestand has been bypassed and it hasnt got a kill switch(just a bundle of wires) ive orderd a haynes but i was looking for a few pointers so i can get a start on it,many thanks Check as many connectors and fuses as possible, this may sound elementary but I’ve been round the houses so many times looking for a fault only to find a fuse blown. |
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Post by cb250g5 on Nov 25, 2019 17:54:48 GMT 1
There are no fuses in the ignition cct, assuming standard Yamaha CDI etc.
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Post by buck1963 on Nov 25, 2019 18:33:46 GMT 1
thanks for the replies folks,midlifecrisisrd thats good to know about the sidestand switch,i had a quick look and couldnt see any wiring so automaticaly assumed it had been bypassed and hidden out the way!
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Post by Dangerous on Nov 25, 2019 18:44:53 GMT 1
Welcome to the group, hope you get it sorted soon.👍
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Post by arrow on Nov 26, 2019 12:04:17 GMT 1
Welcome to the forum.
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