Wide-gap spark plug
Example: BKR5E-11 |
Projected metal shell spark plug
Example: BKR6EPA-8 |
Iridium IX spark plug
Example: BKR6EIX-11 |
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The spark gap dimension is increased by 1.1. to 1.5 mm to reduce the quenching action of the electrode and improve ignitability.
(Note) That the wide-gap spark plug cannot be used unless there is a source of sufficient electrical capacity. |
The projected metal shell spark plug is designed to provide stable combustion by preventing the heating of the ground electrode and by locating the spark position at the optimal position in the combustion chamber.
(Note) This type of spark plug can only be used in specified engines. |
Iridium is used at the tip of the center electrode. This allows the electrode to be thinner than the platinum type, improving ignitability. In addition, the taper-cut design of the tip of the ground electrode makes this a high-performance spark plug that improves ignitability and acceleration. |
Long-Reach plug
Example: LFR5A-11 |
Half-thread spark plug
Example: CR9EH-9 |
Compact spark plug for power equipment
Example: BMR6A |
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| Extending the length of spark plug thread helps to improve the cooling efficiency of the cylinder head. There is a possibility that there will be an increase in the number of engines using long-reach spark plugs in the future. An "L" before the part number indicates a long-reach spark plug. |
The mounting thread section that has been provided on spark plugs with small thread diameters has a special shape. Only use this type of spark plug on designated vehicles. If this type of spark plug is used in vehicles other than those that specify this spark plug, the spark plug threads for the cylinder head will be damaged. |
This is a compact and lightweight spark plug for use in small-engine equipment, such as chain saws, lawn mowers and generators. |
Q&A
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