Material: Copper spark plug
Standard: GB/T7825-2017
Certification: IAIF 16949:2016
Product Details:
Copper spark plugs usually refer to those with a copper core as the central electrode (copper has excellent thermal conductivity), and the outer layer is plated with nickel or other alloys to enhance corrosion resistance.
Excellent thermal conductivity: The copper core quickly dissipates the heat from the combustion chamber, preventing the electrodes from overheating, making it suitable for engines with low compression ratios.
Economical: Its economy is superior to that of nickel alloy spark plugs.
The ignition efficiency is stable in the initial stage: The electrode is relatively thick, and the spark energy is concentrated, which is suitable for low-speed working conditions.
Key points for maintaining copper spark plugs:
Replacement cycle: It is recommended to check the electrode gap and coating condition every 5,000 kilometers, and mandatory replacement is required every 10,000 kilometers.
Carbon deposit treatment: After soaking in carburizer cleaner, gently rub the side electrode with fine sandpaper (600 mesh or above) to avoid damaging the coating.
Gap adjustment: The standard gap is mostly 0.6-0.7mm. It needs to be precisely calibrated with a feeler gauge (if it is too large, it is prone to fire; if it is too small, it will affect the spark energy).
Copper spark plugs are the lowest-cost option among motorcycle spark plugs and are suitable for the following requirements:
✅ Owners with extremely limited budgets;
✅ Routine maintenance of old/low-performance vehicle models;
✅ Short-term test or emergency standby scenario.
|
Product model |
Material |
Product size |
Installation torque |
Applicable vehicle models |
|
MCR7HSA 702 |
Nickel alloy |
Thread length：12.5mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
70cc/90cc/100cc/110cc |
|
MCR7HIX 802 |
Single iridium |
Thread length：12.5mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
70cc/90cc/100cc/110cc |
|
IICR7HSA 902 |
Double iridium |
Thread length：12.5mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
70cc/90cc/100cc/110cc |
|
MDR8EA 703 |
Nickel alloy |
Thread length：19mm Thread diameter：12mm Wrench size：18mm |
15-20N·m |
125cc/250cc/300cc |
|
IIDR8EA 903 |
Double iridium |
Thread length：19mm Thread diameter：12mm Wrench size：18mm |
15-20N·m |
125cc/250cc/300cc |
|
MDPR8EA-9 704 |
Nickel alloy |
Thread length：19mm Thread diameter：12mm Wrench size：18mm |
15-20N·m |
125cc/250cc/300cc |
|
MDPR8EIX-9 804 |
Thread diameter |
Thread diameter |
15-20N·m |
125cc/250cc/300cc |
|
IIDPR8EA 904 |
Double iridium |
Thread length：19mm Thread diameter：12mm Wrench size：18mm |
15-20N·m |
125cc/250cc/300cc |
|
MCR8E 705 |
Nickel alloy |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
New Dazhou Honda SDH150/ Suzuki UC125 |
|
MCR8EIX 805 |
Single iridium |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
New Dazhou Honda SDH150/ Suzuki UC125 |
|
IICR8E 905 |
Double iridium |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
New Dazhou Honda SDH150/ Suzuki UC125 |
|
MCPR8EIX-9 806 |
Single iridium |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
Xindazhou Honda CBX150/ Xindazhou Little Warrior SDH125 |
|
IICPR8EA-9 906 |
Double iridium |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
Xindazhou Honda CBX150/ Xindazhou Little Warrior SDH125 |
|
MCR9EIX 807 |
Single iridium |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
HONDA CBR series /VTR series YAMAHA FZR/XJR/YZF/FJR |
|
SIICR9E 907 |
Double iridium |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
HONDA CBR series /VTR series YAMAHA FZR/XJR/YZF/FJR |
|
IIER9EHS 912 |
Double iridium |
Thread length：19mm Thread diameter：8mm Wrench size：13mm |
8-10N·m |
Honda VFR400/Zongshen TC380 |
|
MCR9EHS 708 |
Nickel alloy |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
Honda VFR400/Zongshen TC380 Honda VFR400/Zongshen TC380 |
|
MCR9EHIX-9 808 |
Single iridium |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
Honda VFR400/Zongshen TC380 |
|
IICR9EHIX-9 908 |
Double iridium |
Thread length：19mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
Honda CBR250/VTR250 |
|
MILMAR8A9 809 |
Single iridium |
Thread length：27mm Thread diameter：10mm Wrench size：14mm |
10-15N·m |
Yamaha MT-07 BMW K1600GT |
|
IILMAR8A9 909 |
Double iridium |
Thread length：27mm Thread diameter：10mm Wrench size：14mm |
10-15N·m |
Yamaha MT-07 BMW K1600GT |
|
SIILMAR9A9S 910 |
Double iridium |
Thread length：26.5mm Thread diameter：10mm Wrench size：14mm |
10-15N·m |
Honda KTM350 African Parallel Bars 1100L/ADV |
|
MSILMAR9A9S 810 |
Single iridium |
Thread length：26.5mm Thread diameter：10mm Wrench size：14mm |
10-15N·m |
Honda KTM350 African Parallel Bars 1100L/ADV |
|
IILKAR8A-9 911 |
Double iridium |
Thread length：26.5mm Thread diameter：12mm Wrench size：14mm |
15-20N·m |
KTM Duke 250/RC390 |
|
MILMAR9D-T 813 |
Single iridium |
Thread length：26.5mm Thread diameter：10mm Wrench size：14mm |
10-15N·m |
BMW Waterbird R1200GS HP41000 |
|
MLMDR10A-JS 714 |
Nickel alloy |
Thread length：26.5mm Thread diameter：10mm Wrench size：13.5mm |
10-15N·m |
Ducati V4 |
|
MA6TC 701 |
No resistance |
Thread length：12.5mm Thread diameter：10mm Wrench size：16mm |
10-15N·m |
70cc/90cc/100cc/110cc |
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