NGK Spark Plug DR8ES-L #2923 fits Honda/Suzuki/Ducati/Yamaha # 30
This is how this Plug part number (BR8ES) breaks down: B=14 mm, R=Resistor type, 8= the number is the heat of the plug, E=19mm or 3/4" thread reach, S=Standard 2.5 mmo center Electrode
NGK stock number 5422 or plug number BR8ES
What do the NGK PLUG part numbers mean? The first letter designates the Thread Diameter A=18mm, B=14 mm, C=10mm, D=12mm and J=12mm.
The next three letters designate Construction (may be combined) C=5/8" hex size, K=Hex size 5/8" Projected Tip(ISO), M= Compact Type, P= Projected Insulator, R=Resistor type, U=surface discharge, Z=Inductive resistor.
Next is the Number, it designates Hot to Cold =2 being a hot plug and 11 being the coldest.
Next number is the thread reach E=19 mm or 3/4", EF=tapered seat 17.5 mm or .708" reach, H=12.7 mm or 1/2",EH=Partial thread 19mm (3/4" total reach) &12.7mm (1/2"total thread), L=11.2 mm or 7/16", S=9.5 mm or 3/8" reach.
The next set of Numbers designates the Firing end construction: Letters run from A to Z. A and B= special design, C=low angle ground electrode, CM=Compact low angle ground electrode, E=V-grooved center (14mm only) 1.5 mm insulator, F=Tapered seat, G=fine wire nickel alloy center electrode, GV=Gold palladium for Racing, K=2 ground electrodes, L=Half heat range, LM= compact type for lawn mower, M=2 ground electrode for Mazda rotary engine, N=special side electrode, P=premium Platinum,
Q=4-ground electrode, R=special ground electrode, S=standard 2.5mmo center electrode, T=3 ground electrode, U=semi-surface discharge, V=Fine Wire Gold palladium Center electrode, VX=high performance, W= Tungsten Electrode, X=booster gap,
Y=V-grooved center electrode (14mm only) 2.5 mm insulator, Z=thick 2.9mmo center electrode.
Please verify that the part number or part will work for your machine or just ask we will be glad to help.
May fit other Makes and Models. The number # 29 is for our reference only.
Part is a 10 out of 10, 10 being new and 1 being the worst condition.
Location : Y 104 Bag 209/052 # 30