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Post by geoff on Apr 19, 2020 16:07:22 GMT
I finally got the beast to start and run the engine for a while (connected to a car battery) but after some time I noticed smoke. The voltage regulator was cooking ! Bearing in mind that there was no problem with it prior to this time, I wonder if anyone can suggest a possible cause - before I obtain and possibly fry another regulator ! cheers geoff
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Post by velocekid2 on Apr 23, 2020 0:54:53 GMT
Geoff, it could be that the car battery was delivering more current flow (Amps per hour A/h) than that specificaly designed for use on the scooter. The stated capacity rating on a moped/small motorocycle lead acid battery is something like 3 to 4Ah and it's usually printed on the side of the battery.
By comparison, a 12 volt car battery can be up to 65Ah, as it is required to supply more electrical items in a car than on a two wheeler.
If anyone is a qualified electrician, I sure they will correct me (and rightly so) and give a more accurate answer.
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Post by geoff on Apr 23, 2020 16:26:28 GMT
I must confess Phil, that the only variable in my situation here was indeed the use of the car bettery so that has to be high on the suspicion list. (I am using it because my bike battery has gone u/s). That said, it is still a 12V. battery and I would have thought that its ability to supply lots of amps should be mitigated by the regulator so that it only supplies what is required. I have ordered a new vr (postage from Italy is expensive !) but I don`t want to bake it like the last one. I shall try to get a new bike battery before I try to start it again. Best to you geoff
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Post by velocekid2 on Apr 23, 2020 19:19:43 GMT
Geoff, the type of battery for the Velocifero is a 12 volt YB4L-B. I personally go for a reputable brand like Yuasa, Bosch, Exide or Varta, look for a rating of 4 Amps per hour. This type was fitted to many popular 50cc machines including the Peugeot Speedfight . For a more comprehensive list of two wheelers that were fitted with this battery, see the following link and click on the Motorbike Fitment tab: www.countybattery.co.uk/motorcycle/12-volt-motorcycle/yb4l-b-12v-40ah-yuasa-battery/The 4L-B battery has the following dimensions: Length: 120mm Width: 70mm Height: 92mm There are similar batteries that will fit, but feature different letter code(s) that precede and follow on from the generic 4L-B product code. Examples are; CT4L-B, DB4L-B, DTX4L-BS, YTX4L-BS Saying that, check the rating on these alternatives , as some are lower, like 3 Amps per hour. All these batteries are old school lead acid, though I’ve yet to search for any gel filled alternatives.
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Post by geoff on May 25, 2020 8:02:24 GMT
Hi Phil - and anyone else who is out there ! Well the new regulator seems to be working. It was cheap but the postage from Italy was expensive. I have a new battery now but I still don't understand what the problem would be using a car battery - surely the regulator would limit the current supplied. Anyway that part is now over but there is another problem. I will start a new thread. cheers geoff
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davla
New Member
Posts: 10
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Post by davla on May 26, 2020 20:13:37 GMT
The regulator probably isn't capable of taking the power/ah from such a large battery.
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