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Proper installation of Spark Plugs - CLICK HERE
| Standard Plugs | |||||
| NGK Brand Spark Plugs | DENSO Brand Spark Plugs | ||||
| IW01-24 | DENSO IRIDIUM RACING NSR 50 95- - Replaces NGK R6385-8P | ||||
| IW01-27 | DENSO IRIDIUM RACING TRZ 50 94-, CR 80, CR 125, CR 250 90- - Replaces NGK R6385-9P | ||||
| 31903-NX4-701 | SPARK PLUG NGKR6385-10P (Denso # IW01-31) |
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IW01-31 | DENSO IRIDIUM RACING RS 125 90-, RS 250 93-, TZ 125 94-, TZ 250 90-94, TZ 250 95- - Replaces NGK R6385-10P |
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| 31901-NX4-701 | PARK PLUG NGKR6385-10.5P - 31901-NF4-651 (use Denso # IW01-32) Replaced by Honda with 31901-NX4-702 R7376-10P/10.5P |
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IW01-32 | DENSO IRIDIUM RACING RS 125 90-, RS 250 93-, TZ 125 94-, TZ 250 90-94, TZ 250 95- - Replaces NGK R6385-105P |
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| 31901-NX4-702 | SPARK PLUG R7376-10P/10.5P (Honda replaced NGKR6385-10.5P - 31901-NF4-651, 31901-NX4-701) (use Denso # IW01-32 for a 10.5 heat range) | ||||
| 31902-NX4-701 | SPARK PLUG NGKR6385-11P - 31902-NF4-671 (Denso # IW01-34) |
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IW01-34 | DENSO IRIDIUM RACING RS 125 90-, RS 250 93-, TZ 125 94-, TZ 250 90-94, TZ 250 95- - Replaces NGK R6385-11P |
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| IW-22 | DENSO IRIDIUM POWER NSR 50 89-95 | ||||
| IW-24 | DENSO IRIDIUM POWER NSR 50 95- | ||||
| IW-27 | DENSO IRIDIUM POWER TZM 50 94-, CR 80, CR 125, CR 250 90- |
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| IW-31 | DENSO IRIDIUM POWER MH 80 |
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| IWM01-32 | DENSO IRIDIUM RACING TZ 250 90-94, TZ 250 95-, NSR 250 90-, TZR 250R SP 94-, RGV 250 SP - Replaces NGK R6179A-105P |
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| 30700-NX4-000 | Honda Standard Plug Cap ASSY., NOISE SUPPESSOR - replaces 30700-KM9-163 |
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8DG-82370-00 | Yamaha
Standard Plug Cap ASSY -replaces 4PE-82370-10 |
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| Short Ceramic with standard reach for Air box installations | |||||
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NGK Brand Spark Plugs |
DENSO Brand Spark Plugs |
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| 31940-NX5-751 | SPARK PLUG NGKR6120-10 5 SOLD OUT (REPLACED BY NGKR7282-105) | ||||
| 31940-NX5-752 | SPARK PLUG NGKR7282-105 (REPLACED NGKR6120-10 5) (Denso # IAE01-32) - SOLD OUT - Short ceramic for airbox clearance and Std reach |
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IAE01-32 | DENSO IRIDIUM RACING - short ceramic W/OUT DETONATION COUNTER - M14x19 16HEX - Replaces NGK R6120-10.5 |
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| 31950-NX5-751 | SPARK PLUG NGKR6120-11 (Denso #IAE01-34) SHORT PLUG 11 |
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| 31950-NX5-003 | SPARK PLUG, NGKR6120-11 (Denso #IAE01-34) SHORT PLUG 11 | IAE01-34 | DENSO IRIDIUM RACING - short ceramic W/OUT DETONATION COUNTER - M14x19 16HEX - Replaces NGK R6120-11 |
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| 30700-NX5-003 | SPARK PLUG
CAP FOR SHORT PLUG - NGK TRS-1225 - 14mm thread, rubber sheathed
(Silicon) For racing spark plug R6120 & R7282 - USE CAP BELOW |
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| NGKTRS-1225 | NGKTRS-1225 - SPARK PLUG CAP FOR SHORT PLUG (Blue) - - 14mm thread, rubber sheathed (Silicon) For racing spark plug R6120 & R7282 - Honda parts number 30700-NX5-003 |
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| Short Ceramic with long reach reach for Detonation Counter installations | |||||
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NGK Brand Spark Plugs |
DENSO Brand Spark Plugs |
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| 31910-NL6-003 | SPARK PLUG NGKR7279-10 (Denso # IA01-31) | ||||
| 31930-NX5-003 | SPARK PLUG,NGKR6120-10 (31930-NX5-751) (Denso # IA01-31) | ||||
| 31930-NX5-751 | SPARK PLUG NGKR6120-10 - 31930-NX5-003 (Denso # IA01-31) | ||||
| 31940-NX5-851 | SPARK PLUG NGKR6120A-105 For detonation counter use 31940-NX5-852 (Denso # IA01-32) | ||||
| 31940-NX5-852 | SPARK PLUG NGKR7282A-105 Replaced 31940-NX5-851 NGKR6120A-105 - Short ceramic and long reach for detonation counter |
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IA01-32 | DENSO IRIDIUM RACING RS 125 90-, RS 250 93-, TZ 125 94-, TZ 250 90-94, TZ 250 95- (Detonation Counter) - Replaces NGK R6120A-105 |
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| IA01-34 | DENSO IRIDIUM RACING RS 125 90-, RS 250 93-, TZ 125 94-, TZ 250 90-94, TZ 250 95- (Detonation Counter) - Replaces NGK R6120A-11 |
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| 30700-NX5-003 | SPARK PLUG CAP FOR SHORT PLUG - NGK TRS-1225 - 14mm thread, rubber sheathed (Silicon) For racing spark plug R6120 & R7282 |
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| NGKTRS-1225 | NGKTRS-1225 - SPARK PLUG CAP FOR SHORT PLUG (Blue) - - 14mm thread, rubber sheathed (Silicon) For racing spark plug R6120 & R7282 - Honda parts number 30700-NX5-003 |
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Other Standard Plugs we stock |
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NGK Brand Spark Plugs |
DENSO Brand Spark Plugs |
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| IU01-31 | DENSO IRIDIUM RACING RVF/ NC35, CBR400RR 94-, CBR400SF, FZR400RR/SP 90-, ZXR400RR, CBR600F 99-00, CBR600F4i 01-, YZF-R6 99-, ZXR750 -95, YZF-R1 99- |
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| IUH24 | DENSO IRIDIUM POWER |
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| IX24 | DENSO IRIDIUM POWER |
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| IX27 | DENSO IRIDIUM POWER |
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| IXU01-31 | DENSO IRIDIUM RACING ZEPR400, ZR-7 |
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| 31910-NL3-620 | PLUG,SPARK NGKR0045Q-10 (Denso # RU01-31) | RU01-31 | DENSO IRIDIUM RACING CBR600F 99-00, CBR600F4i 01-, YZF-R6 99-, YZF-R1 99- |
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| RU01-34 | DENSO IRIDIUM RACING RVF/ RC45 |
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| 31910-NL6-000 | SPARK PLUG NGKR7119-10(IR) (Denso # IK02-31) | ||||
| Heat Range | ||||||
| NGK | 7 | 8 | 9 | 10 | 10.5 | 11 |
| DENSO | 22 | 24 | 27 | 31 | 32 | 34 |
| Bike | Year | NGK | DENSO | |||
| TZM50 | 94- | B9EG | IW-27 | IRIDIUM POWER | ||
| TZR50 | - | IW01-27 | IRIDIUM RACING | |||
| NSR50 | 89-95 | B7EG | IW-22 | IRIDIUM POWER | ||
| NSR50 | 95- | B8EG | IW-24 | IRIDIUM POWER | ||
| - | IW01-24 | IRIDIUM RACING | ||||
| CR80R | 90-01 | B9EG | IW-27 | IRIDIUM POWER | ||
| CR125R | ||||||
| CR250R | - | IW01-27 | IRIDIUM RACING | |||
| MH80 | ALL | B10EG | IW-31 | IRIDIUM POWER | ||
| R6385-10P | IW01-31 | |||||
| RS125R | 90-01 | R6385-10.5 | IW01-32 | STD | ||
| R6385-11P | IW01-34 | |||||
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R6120A-10.5 Replaced by R7282A-105 |
IA01-32 | |||||
| RS250R | 93-01 |
R6120-10.5 Replaced by R7282-105 |
- | STD | ||
| R7282A-105 | IA01-32 | |||||
| TZ125 | 94-01 | - | IW01-32 | STD | ||
| R7282A-105 | IA01-32 | |||||
| TZ250 | 90-94 | - | IWM01-32 | STD | ||
| R7282A-105 | IA01-32 | |||||
| TZ250 | 95-01 | R6179A-P-10.5 | IWM01-32 | STD | ||
| R7282A-105 | IA01-32 | |||||
| NSR250 | 90- | R5300A-10.5 | IWM01-32 | STD | ||
| R6120-10.5 | - | NX5/RS250R | ||||
| TZR250RSP | 94- | - | IWM01-32 | IRIDIUM RACING | ||
| TZR250/SP | 90-93 | - | IW01-32 | IRIDIUM RACING | ||
| RGV250Γ/SP | - | - | IWM01-32 | IRIDIUM RACING | ||
| RVF/NC35 | - | R017-10 (R016-10) | IU01-31 | |||
| CBR400RR | 94- | R017-10 (R016-10) | IU01-31 | |||
| CB400SF | - | R017-10 (R016-10) | IU01-31 | |||
| FZR400RR/SP | 90 | R017-10 (R016-10) | IU01-31 | |||
| ZXR400R | - | R017-10 (R016-10) | IU01-31 | |||
| ZEPR400改 | - | R017-10 (R016-10) | IU01-31 | |||
| ZEPR400 | - | - | IXU01-31 | |||
| CBR600F/F4i | 99-01 | R0379A-10 | IU01-31 | |||
| - | RU01-31 | |||||
| YZF-R6 | 99-01 | R0379A-10 | IU01-31 | |||
| R0045Q-11 | RU01-31 | |||||
| ZX-6R | 90-01 | |||||
| GSXR600 | 1 | |||||
| RVF/RC45 | - | R0045Q-11 | RU01-34 | |||
| ZR-7 | - | - | IXU01-31 | |||
| ZXR750 | -95 | R0379A-10 | IU01-31 | |||
| YZF-R1 | 99-01 | R0379A-10 | IU01-31 | |||
| R0045Q-11 | RU01-31 | |||||
| ZX-9R | 1 | |||||
Proper
Installation of Spark Plugs
In the past we have had a few racers tells
us of a spark plug in which the ceramic separated
from the metal outer housing and caused air leakage and which then seized their
motor.
I spoke to a Denso engineer at Suzuka who simply showed me the information below
which
most of us pay little attention to.
He then explained that over torque will stretch the metal outer shell and break
the seal.
For more light reading on spark plugs in general
CLICK HERE
