2003 YAMAHA YZF-R1 Spark Plug
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All Vehicles > YAMAHA > 2003 > YZF-R1 > 998cc > Ignition > Spark Plug
2003 YAMAHA YZF-R1 998cc : Ignition : Spark Plug  
Standard / Copper
AUTOLITE 4302 Copper Resistor Spark Plug Info   One of our most popular parts
Gap .028
CHAMPION 309 {#RG4HC} Copper Plus Info
Gap .034
Iridium (Lasts up to 4x longer than standard / copper plugs)
AUTOLITE XS4302 Extreme Sport; Xtreme Sport Info
Gap .028
See Options at Left
NGK 6289 {#CR9EIA9} Laser Iridium Info   One of our most popular parts
FitsGAP .036
Or.036 GAP
+ Sold in packs of {x}; Price reflects cost of each individual item, not the pack
DENSO 5363 {#IU27} Iridium Power Info
Gap 0.035; Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
DENSO 5735 Iridium Racing Info
Gap 0.025; Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
(Only 2 Remaining)