With certain Yamaha models, the spark plug caps and coils are combined to reduce the number of parts used in order to improve efficiency. However, when the spark plug cap wears out, the cost of the replacement becomes more expensive. If you are experiencing ignition problems this could mean the ignition cap coil needs to be replaced. Simple, easy to install, affordable, and improves engine performance. Features: Direct replacement to your original unit. The quality exceeds the OEM equipment. Specifications: Spark plug hole external diameter (bottom): 16.6 mm Spark plug hole internal diameter (bottom): 9 mm Length: 130 mm Seal diameter: 37.5 mm Seal length: 18 mm Number of terminals: 2 Resistance: 1.3 ohms Please Note: All electrical components must be fitted by a qualified technician. Before fitting electrical components ensure the root cause of the original failure has been addressed. The absence of either of points 1 or 2 above, will void any warranty.
