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Todd are you looking for a Linhai Coil? My 54B coil looks nothing like the one in the picture you posted. Mine is the same as the one I have linked below.

Here is one. .ebay.com/itm/Ignition-Coil-GY6-50cc-110cc-125cc-150cc-250cc-Scooter-Dirt-Bike-Go-Cart-Roketa-/150738541109?pt=LH_DefaultDomain_100&hash=item2318b79a35&vxp=mtr" rel="nofollow" target="_blank">.ebay.com/itm/Ignition-Coil-GY6-50cc-110cc-125cc-150cc-250cc-Scooter-Dirt-Bike-Go-Cart-Roketa-/150738541109?pt=LH_DefaultDomain_100&hash=item2318b79a35&vxp=mtr

That piece of rubber keeps the stand from banging into the bottom of the oil pan, when you push your scooter off the center stand. It is loose as far as being able to turn the rubber. If the rubber is not broken it is fine.

I would ask if the air filter is an add on and exposed such as a UNI or is it sitting in the air box.

Check this one out. It is the right one for your scoot. .ebay.com/itm/CDI-GO-KART-CART-SCOOTER-ATV-GY250-250-CC-DAZON-BUGGY-/260964815733?pt=Go_Karts&vxp=mtr&hash=item3cc2b71375" rel="nofollow" target="_blank">.ebay.com/itm/CDI-GO-KART-CART-SCOOTER-ATV-GY250-250-CC-DAZON-BUGGY-/260964815733?pt=Go_Karts&vxp=mtr&hash=item3cc2b71375

It sounds silly, but are the wires tight on the coil? They can look connected but during your ride the connection is tight enough to get enough voltage to the coil. Are the two wires from the coil secured tight in the CDI? I would think this is the right coil. .ebay.com/itm/Ignition-Coil-for-250cc-Water-Cooled-ATV-Go-Kart-Moped-Scooter-/270935682824?pt=Motors_ATV_Parts_Accessories&hash=item3f15066f08&vxp=mtr" rel="nofollow" target="_blank">.ebay.com/itm/Ignition-Coil-for-250cc-Water-Cooled-ATV-Go-Kart-Moped-Scooter-/270935682824?pt=Motors_ATV_Parts_Accessories&hash=item3f15066f08&vxp=mtr

I have a Roketa 54B and about 3 weeks ago we had some warm weather and I was stuck in traffic. As I was sitting there I noticed the fan light was on but dim and I could not hear the fan running. Whether I'm in traffic or just riding I could always hear or feel the fan come on.

I messaged JR and he had me do a few tests. He wanted to know the voltage at the headlight switch. I checked it and it was only 8.5 volts. Next he had me take off the front panel and check all the wires and connectors including those which went to the headlights. BTW the wire from the headlight switch was getting hot with the scooter running.

I wrote JR that I could not find anything wrong with any connectors so he had me check the voltage where the blue/white (on my scooter) connects. Well it connects to a white wire with a pull out connector. Started the engine and once again on the white wire only 8.5 volts.

JR, was kind enough to give me his number so I called and he said the problem is somewhere in the white wire, which of course runs under the belly section of the scooter. Now I have the front end hanging by the bottom two bolt studs and a bolt holding the front end on.

I removed both side panels and the black belly section of the scooter one big PITA to do. JR had me follow the white wire to where it splits off. One white wire goes up to the R/R and the other to the connector on the bottom of the left side of the scooter and connected to the radiator. I found nothing wrong, so I continued to cut the black wire insulator which all the wires going back run through. At the furthest back I could go I trimmed the insulation off the white wire and did another voltage check there. It again only read 8.5 volts with the engine running.

Jr then said I need to remove the back panel to expose the R/R. Well off came the trunk and a dozen more screws and the back lifted off in one piece. Actually that was the easiest part to remove.

Now I am looking at the R/R The white wire connects to the red wire on the R/R. I disconnected that connector and did a voltage test. Still not close to 12 volts. Instead of waiting a week to order a new R/R I went to a scooter shop and they had the 6 pin connector in stock and I bought it. Oh, after I removed the back panels I noticed a connector not connected so in my mind I said here is the problem. I called JR up and he told me that is the connector for the auto choke enricher. A year ago I had replaced my enricher and it never seemed to be working and since I live in a warm climate the scooter always started and I never gave it a second thought.

Back the R/R.... I installed the new R/R and started the engine and hooked up the headlights and waited for the fan to come on. Well the fan came on strong and indicator light was bright with both the low beams on and the high beams on.

JR then said I should replace the white wire with 14 gauge wire so I went to Radio Shack and bought a roll of white wire. I replaced the old white wire with the new white wire and spliced it where it splits to the fan and ran new white wire to the fan and to the light switch connector.

I used spiral wrap to wrap all the wires back in place and began the process of putting the scooter back together. Before putting it all together for the final time I made sure the headlights and fan were working the way they did.

With out JR's help I would have never been able to find out the problem and would have certainly taken it to a scooter shop.

A tip. If you are going to remove the bottom belly take off the rear panels first. It takes an extra 15 minutes but is well worth the time trying to get the belly back in place under the rear panels.

Today the temp was 80 so I took it out for a good ride and all went well. I could hear when the fan came on and the indicator light was bright once again.