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Post by payneib on May 12, 2013 8:54:23 GMT -5
Hello,
I had a minor problem with my scoot on Friday. Nothing to drastic. I was on my way home from a night shift, when the scoot started randomly bogging, then picking up, then bogging, then it died. Turning over, yes, firing, no. So I called my recovery people, not really knowing where I was (on the A614, between some villages I couldn't remember the name of). So, not hopeful of the recovery people finding me soon, I took the seat bucket out to have a look. And there's the spark plug cap hanging off.
I pushed it back on, it didn't feel right, but knowing the next village was only over the hill and down the other side I gave it a go. It ran till the top of the hill, then I coasted down into the village, and phoned the recovery people again with a better location. Took the bucket out again, pushed the cap back on, and waited. It felt "right" again. Which the recovery mechanic agreed with, but said the metal spark caps are crap, and everyone else, except the Chinese have stopped using them. He fiddled with my idle a bit, and then followed me in home to the bike garage (it was booked in for a service anyway).
They replaced the plug as requested, and then phoned me later saying it won't be ready, it cut out again and they had to recover their test ride guy. So they kept it in over night to replace the HT lead and spark plug cap.
Is it worth spreading the word of my recovery mechanic and getting people to replace the Chinese spark cap as well as the plug at PDI? Has anyone else had issues of the spark cap becoming slack and falling off?
Ian
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Post by tvnacman on May 12, 2013 9:16:58 GMT -5
my plug boot gets connected and left alone . I did have one time just after the rebuild on my way to work I got around the corner and stalled out , later I found the boot slipped off the plug .
John
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Post by CopperDeer on May 12, 2013 10:03:40 GMT -5
Not yet, but I did have the spark plug somehow work it's way loose and fall out (still attached to the boot) at a stop light on a scooter with 900 km on it.
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Post by moe4070 on May 12, 2013 22:35:11 GMT -5
I had the EXACT same thing happen to me. Payneib, your suggestion will help a LOT of folks out. After I had to call around for a buddy to get me home, I found the OEM Chinese plug boot was toast and wouldn't / couldn't make any meaningful connection to the plug! When I looked down into the engine area (without doing anything) I could see sparks arcing all over. Don't just change out the plug, but the boot too!!
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Post by alleyoop on May 12, 2013 22:45:45 GMT -5
It will not come off IF you have some slack on the coil wire going to the BOOT CAP on the plug.
Don't forget the COIL is sometimes mounted on the frame and the swingarm is moving up and down and will pull on the coil wire. So make sure you move the coil closer and have some slack on the coil wire going to the BOOT CAP. Alleyoop
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Post by payneib on May 12, 2013 23:21:38 GMT -5
It will not come off IF you have some slack on the coil wire going to the BOOT CAP on the plug. There was plenty of slack. Like I said in the OP, the cap was slack over the plug, unless put on "just so". It even caught out a fully qualified motorcycle mechanic. So yes, a cap WILL fall off, IF its faulty, even IF there's slack on the HT lead. Ian
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Post by JR on May 13, 2013 1:38:57 GMT -5
It happened to me too right after I got the scooter. I ordered a new coil and replaced it. I did put the old one back on a couple times after I had found the problem while I was waiting for the new one. It seemed to me that the metal grippers in the plug had not connected well, it didn't feel as though it was ratcheting down as I put the plug back on, the new one had a definite clicking feeling as it went on and had a secure hold on the plug.
I figured that I'd just keep a spare in the bike to use if it is needed, they are really easy to replace.
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Post by gatekeeper on May 13, 2013 5:48:51 GMT -5
When I replaced the coil on one of my scooters the cap on the new coil would not stay on the plug because the metal retaining clip was spaced too far. I just removed the new cap and put the old cap on the new coil lead wire.
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Post by jeepsteve92xj on May 13, 2013 7:16:33 GMT -5
My only break down was the cap falling off the plug - the spring that keeps it snug against the plug tip was missing. On the side of the road without a screwdriver, I was able to slip the cap back onto the plug and that got me home. Ordered a new coil with lead and cap from Scrappy's, and that is still working today.
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Post by urbanmadness on May 13, 2013 9:54:50 GMT -5
I've seen it twice. Once on my bike, and once on a buddies. It is the only thing that has stranded me on the side of the road with my bike. I put it on, could drive three blocks, it's come off again... wait for it to cool so I could get me hand up in there, put it on, maybe get 3 miles out of it.... Longes 20 miles ride I've ever had, to get it home. Replaced the boot the next day.
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