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Thread: New life in old k

  1. #1

    New life in old k

    Recently the k100 wasn't doing so well. It would sputter down the street. I thought it might be related to the new gas. The alcohol and all. Even though the pump octane hasn't changed it seems the going trend is to add more alcohol, the alcohol may not have the energy the old gas has. Maybe a petroleum person could explain the diff.
    I checked the coils as they were original and they seemed ok, changed the plugs. The problem still persisted.
    Seeing how the money was always short and, the bike keeps runnin strong. I decided to replace the coil with a stock 4 group C924 and added some connectors. The wires needed updating too. I needed to fab some brackets and its placement is not perfectly like the original but I noticed a big difference in smoothness.
    Some say different coils may change the behavior of the control unit but mine still works. as always user discretion advised when replacing with non factory parts.
    Saved a few dollars in parts at this points.
    As always ride safe.

  2. #2
    Mars needs women! 35634's Avatar
    Join Date
    Apr 2008
    SW Ohio
    Great fix! I've owned my K since new in 86 and it's amazing the amount of things on it now I found at Home Depot, Lowe's, PeP Boys, Radio Shack, ebay, YamaHondKawSuz store, your get the idea. Staying stock is nice, staying on the road with money in my pocket is better!
    1987 K75S
    Original litter
    Original owner
    2012 Ural Gear Up

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