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evomx971 Added a reply to 1978 YZ125 ignition timing
5/19/2025 6:33am Thanks for the reply! I had a 1977 YZ125D and feel like it had a bit more pull down low. My main confusion is what I'm seeing with the timing light (wish I'd never used it, ha!). The pipe, as far as I can tell, is from the '78 YZ125. Running a B10EG spark plug which should be correct for...
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evomx971 Started a new thread 1978 YZ125 ignition timing
5/15/2025 8:13am Hello VMX experts! Short version - on a 1978 YZ125, where would I expect to see the bike firing at idle with a timing light as compared to the static timing marks on the rotor/stator? I have the bike timed spot-on to the factory spec of 1.2mm BTDC using a dial gauge. Adjustment screws are pretty much exactly in the...
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