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Honda ST1300 Section => Honda ST1300 General Questions => Topic started by: Weggy13 on March 13, 2021, 02:43:01 PM
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Hi all,
I’ve been having problems with rough running, bad fuel economy, overfuelling, fouled spark plugs primarily on clutch side, f1 code 25, to the point of feeling like stalling at highway speeds when the bike is warm, have done an ecu reset and seemed to help for a little bit but then same problems. I’ve just taken the plastics off and looking at clutch side, is this the knock sensor connector? It wasn’t connected, plug just hanging. (https://uploads.tapatalk-cdn.com/20210313/7743e58b96ac5d8883b267df494fb6ae.jpg)
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Probably is, connect it and see what happens.
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I’ve just taken the plastics off and looking at clutch side, is this the knock sensor connector? It wasn’t connected, plug just hanging.
Looking at this diagram: https://tinyurl.com/y3jp98by it definitely looks like a knock sensor... :thumbs
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Yep, definitely is. There's also one on the other side of the engine.
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Good to know those symptoms, but I'm wondering how a plug like that just fell off. Most plugs on the STs are hard to get of at the best of times.
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Good to know those symptoms, but I'm wondering how a plug like that just fell off. Most plugs on the STs are hard to get of at the best of times.
Yeah not sure myself, once reconnected it was quite difficult to remove again. My suspicion is the guy I bought it off got the dreaded error 25 and disconnected it. Reconnection didn’t help the symptoms after a test ride yesterday afternoon unfortunately. Might be time for a visit to the shop...
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