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Canadian Daves JustKDX
Pinging Noise - running too lean?
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[QUOTE="TheGrinch, post: 101723, member: 20716"] Hi Bud, I use premium unleaded as it has a higher octane than the standard unleaded. However I didn't get the fuel from my usual supplier. So whether that will have made much of a difference I don't know. Castrol TTS is a full synthetic race oil. They recommend mixing it at 50:1. The fuel / oil mix has always confused me a little. I understand that 32:1 is running the bike leaner (on fuel) than 40:1 does. But if an engine siezes because the bike is run too lean at WOT, isn't it due to a lack of lubrication of oil? Therefore if you have leaned the jetting and don't want to run the risk of siezing the engine at WOT, would you put more oil to fuel in your pre-mix (ie run a leaner mix)? :think Does that make sense? Hi Mac, I'm not sure if you'd call it pinging, or knocking. But it was certainly making a noise I haven't heard before. Any noises concern me. What's the back fire noise caused by? I think the standard plug is an NGK 8 ES or EV? I'd have to check. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Pinging Noise - running too lean?
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