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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Pick-up coil ?? /cgi-bin/YaBB.pl?num=1654016213 Message started by pg on 05/31/22 at 09:56:53 |
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Title: Pick-up coil ?? Post by pg on 05/31/22 at 09:56:53 My 05 having some problems and I'm guessing it is the pick-up coil. Not long ago I replaced the ignition coil and it ran great. The battery is good and I certain it is not fuel/carburetor related. It starts like normal then after it gets hot it slowly wants to cut out. The idle slows down till it will cut off unless you feed it some gas. Assuming it is the pick-up coil does the repair consist of cracking the left side open and replacing? I looked and it is not possible to replace the coil, they only offer the entire stator assembly. Would a coil on ebay/amazon suffice? Thanks! Best regards, |
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Title: Re: Pick-up coil ?? Post by SpamyToo on 05/31/22 at 12:23:55 Does it sound like its missing? Like a stumble in the idle then it dies? The idle normally falls when it gets hot. Not to question what youve already done, but I assume the idle is high enough? The float bowl is set correctly? If the timing was auto retarding and slowing the idle it would probably always run bad, not just when hot. And if it was cutting out because of the heat, it would stumble and miss when its running. Hows the plug look? A pulse thats missing on a single cylinder engine is usually pretty apparent. There isnt a 2nd point and cylinder doing ok to move things along. |
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Title: Re: Pick-up coil ?? Post by SpamyToo on 05/31/22 at 12:41:05 But yeah looks like that loom is wired together. https://www.suzukipartshouse.com/oemparts/a/suz/506b368ff870022ba8af9e17/magneto You can find replacements much cheaper on fleabay. https://www.ebay.com/itm/313939238444?hash=item49183c9e2c:g:5XIAAOSwfuRiRynL I dont think a generic one would mount the same. The distance is probably pretty tight and if the location of the signal point was off a little bit its going to jack up your timing. |
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Title: Re: Pick-up coil ?? Post by verslagen1 on 05/31/22 at 13:02:33 The wiring for the sensor and the generator run thru a plug together and while you might be able to pull the wires out, you got connectors to deal with too. the sensor is a simple voice coil. the FSM does not say what the resistance of the coil should be, but it should be something indicating that it's continuous and it should not be shorted to ground. |
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Title: Re: Pick-up coil ?? Post by Gary_in_NJ on 05/31/22 at 13:04:13 OEM petcock? |
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Title: Re: Pick-up coil ?? Post by pg on 05/31/22 at 13:29:07 4F6C7D71654873731C0 wrote:
Thanks to all who replied. When it starts it runs great, real good. Once it gets hot it feels a little weaker, then the description above is accurate. Aftermarket rapture petcock, everything else should be good as well. How about a new aftermarket stator assembly? Best regards, |
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Title: Re: Pick-up coil ?? Post by pg on 07/11/22 at 12:23:20 I'm halfway in the old S40 to replace the stator & pick-up coil. Do you have to remove the battery housing or anything else to get the new stator cable where it needs to go to plug in? Thanks Best regards, |
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Title: Re: Pick-up coil ?? Post by pg on 07/16/22 at 13:24:58 No takers, cover me I'm going in........ Best regards, |
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Title: Re: Pick-up coil ?? Post by DragBikeMike on 07/16/22 at 16:14:16 I have one of those pickups that I got from Dennis Kirk. I will try to dig it up and measure resistance. Will also check the fit in a spare alternator cover. Will post the results. IMO, your description doesn’t sound like a pickup problem, but who knows. |
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Title: Re: Pick-up coil ?? Post by DragBikeMike on 07/16/22 at 18:38:14 I dug through my parts and found the DK inductive pickup. Part number is on the box. |
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Title: Re: Pick-up coil ?? Post by DragBikeMike on 07/16/22 at 18:40:00 Looks identical to the stock pickup except I think the wire colors are different. Don't know if the system is polarity sensitive. Maybe another forum member has the down-low on that. |
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Title: Re: Pick-up coil ?? Post by DragBikeMike on 07/16/22 at 18:41:17 It fits the alternator cover but don't know if it will have correct clearance with the alternator rotor. That's easy to figure out once you have the cover off. |
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Title: Re: Pick-up coil ?? Post by DragBikeMike on 07/16/22 at 18:43:37 It must have correct clearance with this metal strip that is welded to the O.D. of the rotor. That strip's length and location allow the igniter unit to figure out where the ignition advance needs to be and when to fire the plug. |
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Title: Re: Pick-up coil ?? Post by DragBikeMike on 07/16/22 at 18:47:49 You can do a crude clearance check using tape. Start applying take to the strip on the rotor. Install the cover. Rotate the engine one turn. Remove the cover. Check for a rub on the tape. Once the pickup starts to rub on the tape you know approximately how much clearance you have. Just measure the thickness of the layers of tape. Mine was about .055" and it's working good. |
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Title: Re: Pick-up coil ?? Post by DragBikeMike on 07/16/22 at 18:53:54 The Dennis Kirk pickup has 204.3 ohms resistance. When a put a piece of steel onto the pickup magnet, the resistance changes momentarily and then settles back to 204.3 ohms. Probably not a good practice to latch the steel onto the magnet with the ohm meter hooked up since it most certainly induces a current. Maybe not a big deal. I measured the resistance on the stock pickup but it was a long time ago. Not sure where that nugget of golden data is buried. If I find it I will share. Good luck. |
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Title: Re: Pick-up coil ?? Post by justin_o_guy2 on 07/17/22 at 02:29:46 6D6B64181A1D19290 wrote:
meaning of LOWDOWN is the inside facts : dope. down-low] ADJECTIVE US informal discreet or secret: "will James continue his down-low relationship with the high-profile surgeon? [ch712]id[ch275][ch601]m] NOUN a group of words established by usage as having a meaning not deducible from those of the individual words (e.g., rain cats and dogs, see the light). synonyms: expression · idiomatic expression · turn of phrase · set phrase · fixed expression · phrase · locution a form of expression natural to a language, person, or group of people: "he had a feeling for phrase and idiom" synonyms: language · mode of expression · style of speech · It's after 4 a.m...and my back is givin me grief, and you looked like you could use some, too,, enjoy! And naturally I don't have a helpful suggestion for your problem. Or I would surely toss it out there. If your bike runs okay when it's cold but starts running crappy as it warms up, IF it is the pickup coil, then wouldn't you expect the reading to be different? Sounds like you're seeing increased resistance or a cracked connection that slowly gets worse from the heat changing the size and shape of things. A careful inspection might find it. A soldering iron and some flux might fix it. Consider the source, I'm exhausted and hurting, and have never even looked at the part you're talking about. How long does it take from it dying till it will run again? If you know that, then seems like you could troubleshoot it kinda sorta by cooling the coil quickly. If you Can cool it And it starts and runs right Then you can trust your thinking a lot more No? In electronics they use a spray to cool certain areas of a board,looking for a cracked trace. I hope that is some help. https://skygeek.com/gc-electronics-19-8410-freeze-mist-12-oz-aerosol-can.html?utm_source=googlebase&utm_medium=shoppingengine&utm_content=gc-electronics-19-8410-freeze-mist-12-oz-aerosol-can&utm_campaign=froogle&msclkid=768f0ba4f2e0169bfd5d69772535c2d2 |
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Title: Re: Pick-up coil ?? Post by pg on 07/17/22 at 14:05:34 @ DragbikeMike, I appreciate you taking time to post the photos and the detailed posts. Thanks to JOG as well, he is always happy to help too. I was halfway in and I put in a new stator w/ a pick-up coil today. It was from china but the quality looked pretty darn good. The old stator looked good, but the wires from the pick-up coil didn't look to swell. They were brown, not sure if they are like that from years of oil or if they were half burnt. Regardless, the bike is running really well now. Thanks again! Best regards, |
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Title: Re: Pick-up coil ?? Post by justin_o_guy2 on 07/17/22 at 16:03:40 Yeah, I was Trying to help Trying to pick on ya And trying to distract myself from what I was feeling. After hearing about that knee ,though, I'm a little ashamed of myself. Not the first joint replacement I've heard of that went completely wrong. They wanted to replace my shoulder and I said just patch it up. It doesn't hafta do too much to be better than the rest of my body. It's not Just that we are getting old. It's the stuff we Just Desperately Needed to Do when we were young and bullet proof. |
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