Standard: GB/T7825-2017
Certification: IAIF 16949:2016
Product details:
2003 Suzuki GSXR750 spark plug, recommended use of SIICR9E(907)
- Thread length:19mm
- Thread diameter: 10mm
- Wrench size: 16mm
- Installation torque: 10-15·m (use torque wrench, overtightening may damage cylinder head threads)
2003 Suzuki GSXR750 Spark Plug Original Specifications:
· Model: NGK CR9E or Den U27ETR
· Heat Range: 9 (falls within the colder range)
· Electrode Gap: Typically 0.7 - 0. mm (please refer to the service manual for specifics, check and confirm before installation)
2. Reason for "Colder" Heat Range:
· The GSX-750 being a high-performance sports bike, has a high engine speed, high compression ratio (around 12.0:1), and operates at very high.
· Using a "colder" type (higher numerical heat range) spark plug is to allow the insulator skirt of the spark plug to transfer heat to the cylinder head quickly, preventing the spark plug from overheating and causing "pre-ignition" or "detonation," thus protecting the engine. This is a typical configuration for highperformance engines.
3. Resistor Type:
· The CR9E specified by the factory is a resistor type spark plug ("R" stands for resistor.
· It contains a resistor inside, which is mainly used to suppress the high-frequency electromagnetic interference generated during ignition, protecting on-board electronic devices (such asU, instrument panel) from interference and ensuring their normal operation.
4. Standard Nickel Alloy Electrode:
· The standard model equipped by the factory a standard nickel alloy center electrode. This type of electrode has sufficient durability and low cost, but its lifespan and performance limits are not as good as precious metal spark plugs
2003 Suzuki GSXR750 common upgrade/alternative spark plug options: · SIICR9EIX: Double irid spark plug. Utilizing a fine iridium center electrode (diameter just 0.6mm), it requires lower voltage for ignition, provides a stronger spark, and more consistently especially in lean fuel mixture or high compression ratio environments. It also lasts much longer than standard spark plugs.
|
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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