94 1200 pinging when warm
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Joined: May 2016
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From: Bountiful, Utah
94 1200 pinging when warm
I have a new to me 94 1200 with 5400 miles. As I mentioned in another thread, I changed the fluids and generally went over the bike so as to establish a new owner baseline. The oil had a strong smell of gas and I know I should overhaul the carb as it has been sitting for 3 years or so. In the meantime, I figured I'd run some Seafoam through to kind of clean things out in the fuel system. Now, after about 1 treated gallon later, the bike pings on acceleration when warm. Does the Seafoam lean things out enough to cause pinging? Coincidence? This is my first Sporty after about 40 other bikes and it sure is different than them all! Opinions please on getting rid of the pinging when warm. By the way, I checked the oil temp with a turkey thermometer (sorry honey!) and the highest reading was about 185.
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Joined: May 2016
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From: Bountiful, Utah
I can't imagine Seafoam is the cause, either. In most cars, pinging can be caused by the timing being too far advanced or carbon on the pistons. I am running 91 octane, so the fuel isn't the cause. I'm going to change the plugs today and read them.
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Road Warrior
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Never had a Seafoam ping but that's not to say it's not possible.
I'd check the timing for sure and I believe the incorrect heat range on the plugs can cause a pinging issue as well.
I'd check the timing for sure and I believe the incorrect heat range on the plugs can cause a pinging issue as well.
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Joined: May 2016
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From: Bountiful, Utah
Regarding the Seafoam, I put in 3 carefully measured ounces to a full 3.3 gallon tank. I am thinking the Seafoam is just a coincidence, but now that I am down a gallon from that, I'll fill it up with 91 octane and dilute it a bit and see if that makes a difference. I am getting hold of a timing light so as to check the timing. I have an FSM, by the way. Plugs should be changed out by tonight. I got the NGK DCPR7E as replacements. Didn't spring for the irridium though.
