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spark plug -NARAKU- 14-R7-SS (BR7HS)
Part no.:
NK14R7SS
Description
Naraku spark plug as it is also mounted in the vehicle from the factory. Heat value and plug structure correspond to the original.
Produced according to OEM guidelines of Japanese vehicle manufacturers for a perfect repair and longevity.
The service life of a plug is determined by the fuel type, engine condition, operating times and engine temperature. For 4-stroke engines from 250cc, the plugs should be cleaned or changed after 6000km. With less displacement, especially 2-stroke, approx. every 2500km. After this mileage, oil carbon deposits lead to starting difficulties and power loss caused by the spark plug. Increased short-distance operation and poor engine oil quality can shorten the intervals.
Width across flats: 20.8mm
Thread diameter: 14,0mm
Thread length: 12,7mm
Electrode gap: 0,7mm
Resistance: suppressed, 5kOhm
OEM numbers for comparison purposes:
NGK: BR7HS
Bosch: WR 5 AC / 0 242 245 517
Champion: QL 78 C / RL 4 J / RL 77 J / RL 78 / RL 78 C
Denso: W 22 FSR / W 22 FSRU
Marelli: CW 8 NR
14 = B thread diameter 14mm
R = R (Resistor) Resistor plug 5kOhm
7 = 7 heat value
S = H (Short) short plug thread
S = S Standard
AI-translation
Produced according to OEM guidelines of Japanese vehicle manufacturers for a perfect repair and longevity.
The service life of a plug is determined by the fuel type, engine condition, operating times and engine temperature. For 4-stroke engines from 250cc, the plugs should be cleaned or changed after 6000km. With less displacement, especially 2-stroke, approx. every 2500km. After this mileage, oil carbon deposits lead to starting difficulties and power loss caused by the spark plug. Increased short-distance operation and poor engine oil quality can shorten the intervals.
Width across flats: 20.8mm
Thread diameter: 14,0mm
Thread length: 12,7mm
Electrode gap: 0,7mm
Resistance: suppressed, 5kOhm
OEM numbers for comparison purposes:
NGK: BR7HS
Bosch: WR 5 AC / 0 242 245 517
Champion: QL 78 C / RL 4 J / RL 77 J / RL 78 / RL 78 C
Denso: W 22 FSR / W 22 FSRU
Marelli: CW 8 NR
14 = B thread diameter 14mm
R = R (Resistor) Resistor plug 5kOhm
7 = 7 heat value
S = H (Short) short plug thread
S = S Standard
€3.68 *
incl. VAT plus shipping costs
Available immediately (delivery time 1-3 working days*)
P
For this item you get
fidelity point/s
| OEM numbers (for comparison purposes only) | |
|---|---|
| NGK | BR7HS |
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