- Kit includes a dial indicator with extensions and a 14 mm spark plug thread adapter
- Allows inspection and adjustment of ignition timing
- Scaled in millimeters
- Designed to clear frame tubes on most recent water cooled models
- Gauge face size 48mm
- Due to limited space between the cylinder head and upper frame rails, Two stroke timing kit 890133 with adapter kit 890134 does not fit on Yamaha RD two stroke twins with the engine installed in the frame. It does work on Yamaha RD two stroke twins with engine out of frame.
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