Standard: GB/T7825-2017
Certification: IAIF 16949:2016
Product details:
2005YamahaYZ250Fsparkplug,recommendeduse MCR8E/MCR8EIX/ICR8E
- Thread length: 19mm
- Thread diameter: 10mm
- Wrench size: 16mm .
- Installation torque: 10-15 N·m (Please use torque wrench, overtightening may damage the cylinder head threads)
2005 Yamaha YZ250F spark plug, material classification:
MCR8E: Nickel alloy material· Pros: High cost-effectiveness, performance fully meets the original factory design requirements, economical for competitive vehicles that require regular replacement. · Cons: Compared to higher-grade, the nickel alloy electrode is thicker, slightly inferior in durability and ignition efficiency. Higher voltage is required to achieve the same ignition effect, and the lifespan is relatively short.
MC8EIX: Single iridium material Center electrode material iridium Electrode diameter Relatively very thin, ignition performance Good, meets original factory requirements Excellent, voltage required, more stable and powerful spark throttle response Normal More sensitive, more linear, especially at low revs Durability/life span Approximately 20-40 hoursdepending on riding intensity) Longer (typically 2-3 times longer than nickel alloy) Price expensive Applicable scenarios Daily practice, routine maintenance, budget limited Race day, pursuing performance, hoping to extend the replacement cycle. IICR8EIX: Double iridium material Side gold-tipped needle, with patented technology, double gold more durable, ignition is more focused, fast acceleration, fuel-saving.
The characteristics of the spark plug on the 2005 Yamaha YZ250F can be summarized as:
· A "cold-type" spark plug designed specifically for high-revving, high-heat four-stroke racing engines. · Maintains electronic through an integrated resistor. · Utilizes economical nickel alloy electrodes to maintain factory performance while controlling costs. · It is a reliable benchmark that is more than sufficient for daily practice and rides. For users seeking ultimate throttle response, more stable idling, and longer maintenance intervals, single iridium or double iridium options are available
|
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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