Motorbike Wanabe
Member
I just changed out the plug that came with my HT Grubee GT5 angle plug engine and it runs great. But, the real low torque (like when you're starting out) seems to be different. Like there is a lot less of it. I also changed the needle setting from the second from the top to the top groove, but I did that before changing the plug and I have driven it some since doing that.
Just to be sure, I moved the needle back to the 2nd groove and, also went down to the 3rd groove. It 4-stroked pretty constantly on the 3rd groove, ran okay on the 2nd with some 4-stroking and seems to run great on the top groove, except that it just seems down on torque. Once I get going, it runs awesome! Throttle response is great and, it'll go faster than I care to go with it. I'm just wondering if the plug could have something to do with it "seeming" to lose some of that low-end torque as it starts out.
I've read repeatedly to replace the factory plug with another one so I replaced it with an Autolite 425 like I read on this forum. Like I said, it runs GREAT except that I think it had more grunt just off idle before I did, or something, happened.
More info: I gapped the plug at .028" and the plugs appear to have the same depth. I've heard of indexing plugs to get the opening of the electrodes pointed in the right direction so they are not shrouded. Maybe that might help? Any info is appreciated.
Just to be sure, I moved the needle back to the 2nd groove and, also went down to the 3rd groove. It 4-stroked pretty constantly on the 3rd groove, ran okay on the 2nd with some 4-stroking and seems to run great on the top groove, except that it just seems down on torque. Once I get going, it runs awesome! Throttle response is great and, it'll go faster than I care to go with it. I'm just wondering if the plug could have something to do with it "seeming" to lose some of that low-end torque as it starts out.
I've read repeatedly to replace the factory plug with another one so I replaced it with an Autolite 425 like I read on this forum. Like I said, it runs GREAT except that I think it had more grunt just off idle before I did, or something, happened.
More info: I gapped the plug at .028" and the plugs appear to have the same depth. I've heard of indexing plugs to get the opening of the electrodes pointed in the right direction so they are not shrouded. Maybe that might help? Any info is appreciated.
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