January 9, 20179 yr Author On 2016-12-15 at 3:20 AM, suzuki250 said: Two stroke timing retards as the revs are increased (Opposite to a 4t motor) As I mentioned, I'm newish to 2-strokes, but based on a little research it seems the advance should increase up to a certain point and then decrease (while still being advanced). This may or may not have to do with the expansion pipe, which (correct me if I'm wrong) is not present on our bikes. Example 2t ignition curve: I'm finally home and ready to fix this bike! I pulled the flywheel today and it looks to me like the hall effect sensor has been rubbing on the flywheel. Does this look normal to you lot? Should the flywheel have the little ridge shown in the pic, partially covering the semicircular hole, or is this the result of the rubbing? Edited January 9, 20179 yr by fixbroke
January 12, 20179 yr Good that's something simple In answer to your question about the partially covered hole in the flywheel, that is normal
January 14, 20179 yr When the ignition is too late there is a lot of unburnt or still burning fuel going directly into the exhaust taking the heat with it.
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