Vintagesnowmobile.com - What coils work on the rotary sleds?

RC35Q

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What coils work on the rotary sleds?
05/10/10 at 4:28pm

Has anyone made an aftermarket or newer outboard coil work on their rotary sled? I've changed 2 coils out in the last two years, and I'm affraid they are like the spark plug; cant find a new one for the old sled. I thought maybe you guys have "engineered" a new type coil to work on these old machines. Post up what you used and what you did, it would be a tremendous help.

Thank you,

Jason.

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rampage 250 or more posts Offline It's good to be a Gangsta Posts: 356 Gender:	Re: What coils work on the rotary sleds? Reply #1 - 05/30/10 at 2:57pm has far as i know all the OMC coils are the same, and ive use others, coils are coils to the most part. r
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RC35Q

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Re: What coils work on the rotary sleds?
Reply #2 - 06/24/10 at 6:34pm

Rampage, do you have any part numbers of the coils you've used with success? Did you mount the coil in a different locataion because of a shorter plug wire? Interested in what coil would have the same type of straight plug and not a 90 degree angle on the end. Also, did you lengthen the wire to the capacitor and power pack without any problems? Give some direction on what you did please.

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RC35Q

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Re: What coils work on the rotary sleds?
Reply #3 - 06/24/10 at 6:39pm

Rampage, I see in the pic you have what appears to be a stock coil, but trying to find a stock one for my 73 is next to impossible. If you know of a place that sells replacements, please let me know. Mine mounts under the seat close to the power pack and has a long plug wire that goes to the top of the motor under the cowl, little different than yours. I figured somebody on here must of modified a newer coil and made it work because of the lack of factory parts.

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rampage 250 or more posts Offline It's good to be a Gangsta Posts: 356 Gender:	Re: What coils work on the rotary sleds? Reply #4 - 06/25/10 at 4:16pm I have some coils, let me know r
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RC35Q 50 or less Offline Posts: 29 Maine Gender:	Re: What coils work on the rotary sleds? Reply #5 - 07/10/10 at 2:32pm Sorry Rampage, been away for a while. Whatya got for a coil I can make work?
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rampage 250 or more posts Offline It's good to be a Gangsta Posts: 356 Gender:	Re: What coils work on the rotary sleds? Reply #6 - 07/11/10 at 10:04am RC35Q wrote on 07/10/10 at 2:32pm: Sorry Rampage, been away for a while. Whatya got for a coil I can make work? send me a message, here or http://www.vintagesledders.com/forums/index.php i'll give you a coil, i have pleanty r
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RC35Q 50 or less Offline Posts: 29 Maine Gender:	Re: What coils work on the rotary sleds? Reply #7 - 07/11/10 at 11:12am Thank you Rampage, I appreciate it. Is there a way to test these coils with a meter prior to putting them on to make sure they are good? What would a good output reading be on a coil? Thank you, Jason
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rampage 250 or more posts Offline It's good to be a Gangsta Posts: 356 Gender:	Re: What coils work on the rotary sleds? Reply #8 - 07/12/10 at 2:49pm I like to find a kid in the ally by the garage, have him hold the sparkplug and the handlebars, if he screams i got spark.
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RC35Q

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Re: What coils work on the rotary sleds?
Reply #9 - 07/15/10 at 5:03am

When I was having problems with my sled starting, I checked for fire on the plug with the coil mounted in the machine. Saw fire, but the sled still wouldn't start. Replaced the coil eventhough there was a spark, and the machine fired right up. I guess eventhough it had spark, it was weak. Just thought the voltage could be checked, and under a certain amount the coil wouldn't work, over it would fire.

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