Lawn Mowers & Small Engines

Lawn Mower & Small Engine Spark Plug Application Chart

Use this Small Engine Spark Plug Reference Chart to find the right spark plug for your walk mower, riding mower, zero turn mower or any other gas powered small engine power equipment. Choose a brand from the list below then locate your engine by model number. (You will need the model information located on the engine on your equipment, this will be different from the model of the mower)



Briggs & Stratton

Model
Plug Gap
Champion
NGK
Mega-Fire
Torch
Bosch
Fource
0.030
 
 
 
 
Intek — single and twin cylinder OHV
Vanguard — liquid cooled three cylinders, single cylinder OHV engines and 31 HP OHV V-twin 
0.030
 
Single cylinder OHV engines — 97700 series, 99700 series, 197700 series, 28E700 series, 287700 series, 28N700 series, 28U700 series, 28W700
Vanguard — V-twin OHV (27 HP thru 32 HP)
0.030
 
Vanguard — V-twin OHV (12.5 HP thru 23 HP) 19A400-19G400 series, 93400 series (with top tank)
0.030
 
 
 
Opposed twin cylinder “L” head, single cylinder “L” head
0.030
625e, 675ex, 725ex series, 625-675 series and Quantum 7.5-6.75 gross HP engines 
0.020
 
 
 
 


Honda

Model
Plug Gap
Champion
NGK
Mega-Fire
Torch
Bosch
GC135, GC160, GC190
0.030
 
 
GC160A, GC190A, GS190A, GSV190A
0.030
 
 
GX22, GX31, GXH50, GXH50U, GX50, GX100U
0.025
 
 
 
 
GX25, GX25N, GX25NT, GX25T, GX35, GX35T, GX35NT
0.028
 
 
 
 
G30, G35, G40, G41, G42, G80, GS65, GV35
0.028
 
 
 
 
G65, G80
0.030
 
 
 
G100
0.030
 
 
GV100
0.024
 
 
G150 (with Mag), G200, G300, G400
0.030
 
 
 
 
GV150 2029059> (CDI), GV400
0.030
 
 
GV150 2029059 > (mag)
0.030
GV200, GV400
0.025
 
 
 
 
G400
0.030
 
 
 
GX100, GX110, GX120, GX140, GX160, GX200, GX240, GX240, GX270, GX340, GX390, GX610, GX620, GX670 (to 1999)
0.030
 
 
GXV110
0.028
 
 
GXV120, GXV140, GXV160, GXV270, GXV340, GXV390, GXV520, GXV530
0.028
 
 
 
 
GX630, GX660, GX690, GXV630
0.030
 
 
 
 
GX670 (from 2000), GXV610, GXV620, GXV670
0.028
 
 
 
 
GCV135, GCV135A, GCV160, GCV160A, GCV160E, GCV190, GCV190A, GCV520U
0.030
 
 
GXV50, GXV50U, GXV57U
0.030
 
 
GCV530, GCV530U
0.030
 
 


Kawasaki

Model
Plug Gap
Champion
NGK
Mega-Fire
Torch
Bosch
FA76D (from 1983)
0.028
 
 
FA76D (fo 1982), KT12, KT15, KT18, KT28 
0.024
 
 
FA130D, FA210D, FD501D, FD501V (to 1998), FD590V
0.025
FE120D, FE170D, FE250D, FE290D, FE350D, FE400D, FH741D, FH770D, FC150V, FC180V, FC290V, FJ180V, FC401V, FJ400D, FC420V, FC540V
0.028
 
FD620V, FD661D, FB460V, TF22, FD440V, FD501V (From 2002), FD611V
0.024
 
 
FD661V, FA210V, TG28
0.025
FD501V (1999-2001), FD680V, FD731V
0.028
 
 
 
 
FD601V, FD641V, FD671V, FD711D, FD750D, FD791D 
0.025
 
 
 
 
FH381V, FH430V, FH451V, FH500V, FH531V, FH541V, FH580V, FH411V, FH480V, TH26, TEX45, TH23
0.028
FH601D, FH601V, FH641D, FH641V, FH680D, FH680V, FH721D, FH721V 
0.028
 
 
 
 
FJ100D
0.028
 
 
 
 
KF24, KF52, KF53, KF53A, KT43
0.024
 
 
 
KF34, KF68, KF81, KT15J, KT18J, KT18M, KT28G, KT28M, KT28N, KT30, KT30G, KT30J, KT30M, KT30N, TA36, TA51
0.024
 
 
 
FG150, FG200, FG270, FG300
0.028
 
 
 
KT10, KT12AD, KT12J, KT12K, KT15D, KT17, KT17J, TA33 
0.024
 
 
 
TEX54
0.026
 


Kohler

Model
Plug Gap
Champion
NGK
Mega-Fire
Torch
Bosch
Aegis Series liquid cooled
LV560, LV625, LV630, LV675, LV680, LH630, LH685, LH690, LH750, LH755, LH775
0.030
 
Command / Command Pro Series
CS4, CS6, CS8.5, CS10, CS12, CS12.75 Hydro, CS13 Hydro
0.030
 
 
 
 
CH16, CV460, CV490, CV492, CV493, CV17, CH18, CV18, CH20, CV20, CH22, CV22, CH23, CV23, CH25, CH270, CH395, CH730, CV730, CH26, CH27, CH740, CV740, CH745, CV745, CH750, CH940, CV940, CH960, CV960, CH980, CV980, CV1000
0.030
 
CH5, CH6, CH11, CH12.5, CH13, CH14, CH15, CV11, CV12.5, CV13, CV14, CV15
0.040
 
 
Courage Series
SV470, SV480, SV530, SV540, SV590, SV600, SV610, SV620, SV710, SV715, SV720, SV725, SV730, SV735, SV740, SV810, SV820, SV830, SV840 
0.030
 
XT-6, XTR6, XT-7T
0.030
 
 
XT-7, XTR-7
0.030
 
Magnum Series
M8
0.025
 
 
 
 
M10, M12, M14, M16, MV23 
0.030
 
 
 
MV16, M18, M18V, M20, MV20V
0.025
 
 
 
Triad
TH14, TH16, TH18
0.040
 
 
K-Series
K7, K12
0.025
 
 
 
 
K90, K91, K121, K141, K161, L161, K181, L181, K330, K331, K660, K662 
0.025
K241, K301, K321, K341, K361, K482, K532, K582 (Twin)
0.0305
 
 
 
KT17 (Twin), KT19 (Twin), KT20 (Twin), KT21 (Twin)
0.025
 
 
 
KL25
0.030
 
 
LCT
All engines
0.030
 
 
 
 


Subaru

Model
Plug Gap
Champion
NGK
Mega-Fire
Torch
Bosch
EC Series Air-Cooled 1 Cyl. 2-Stroke
 
 
 
 
 
 
EC01ER, EC02ER, EC22GR, EC25GR
0.024
 
 
 
EC03ER, EC04ER, EC05-2 D/B, EC06 D/B, EC07-2 D/B
0.024
 
 
 
EC08 D/B , EC25 D/DS
0.024
 
 
 
EC12D, EC13V
0.024
 
 
EY Series Air-Cooled 1 Cyl 4-Stroke
Side Valve
 
 
 
 
 
 
EY08 D/BN
0.024
 
 
EY10 D/B, EY13-2 D/B, EY14 D/B, EY25
 
 
 
 
 
 
D/B, EY27-2 D/B
0.024
 
 
 
EY15 D/DS, EY15-2 B, EY18-3 D/B, EY20 D/DS/B/BS
0.024
 
 
 
 
EY23 D/DB/B/BS, EY35 D/DB/B/BS, EY40 D/DS/B/BS
0.024
 
 
 
EY28 D/DS/B/BS
0.024
 
 
 
EY45V
0.024
EY Series Air-Cooled 2 Cyl. 4-Stroke
Side Valve
EY21 AS/AS-C, EY21 AS-R/AS-CR, EY80-3 AS/AS-C, EY80-3 AS-R/AS-CR
0.024
 
 
 
EH Series Air-Cooled 1 Cyl. 4-Stroke
OHV
EH025, EH035V
0.024
 
 
 
 
EH09, EH12 D/DS/B/BS, EH30, D/DS/B/BS, EH11, EH15, EH21
0.024
 
 
 
 
EH17 D/DS/B/BS, EH25 D/DS/B/BS
0.024
 
 
 
 
EH30 V/VS, EH34 V/VS
0.024
 
 
EX Series 4-Cycle OHC
EX13, EX17, EX21, EX27, EX27
Fuel Injection, EX30, EX35, EX40 
0.024
 
 
 
 


Tecumseh

Model
Plug Gap
Champion
NGK
Mega-Fire
Torch
Bosch
Horizontal 2-Stroke
AH520, AH600, HXL840, TCH200
0.030
 
 
TCH300
0.030
 
 
 
Horizontal 4-Stroke
H20
0.030
 
 
 
 
H22, H25, HT30, HT35, HXL35, HH40, HH50, HH60, HH70, HMXL70, HH80, HHM80, HH100, HSSK60, HSSK70
0.030
 
 
 
 
H30, H35, H40, H50, H60, H70, H80, HM70, HM80, HM90, HM100, HS40, HS50 
0.030
HMSK70, HMSK80, HMSK90, HMSK100
0.030
OH120, OH140, OH160
0.030
 
 
 
 
OH180, OH195EA, OHH50, OHH55, OHH60, OHM120, OHSK50, OHSK55, OHSK110, OHSK120
0.030
 
 
 
 
Vertical 2-Stroke
TC200
0.030
 
 
TC300
0.030
 
 
 
 
TVS840, TVXL840
0.030
AV520, AV600, TVS600
 
 
 
 
 
Vertical 4-Stroke
ECV100, ECV105, ECV110, ECV115,  ECV120, LV148, LV195EA, LEV100, LEV115, LEV120, TV275, TVS90, TNT100, TNT120, TVS100, TVS105, TVS115, TVS120, TVXL105, TVXL115
0.030
LAV25, LAV30, LAV35, LAV40, LAV50, OVM120, TVM125, TVM140, TVM170, TVXL170, V40, V50, V60, V70, V80, VH40, VH50, VH60, VH70, VH80, VH100, VM70, VM80, VM100 
0.030
 
 
 
 
OHV100, OHV110, OHV115, OHV120, OHV125, OHV130, OHV135, OHV14, OHV145, OHV15, OHV155, OHV16, OHV165, OHV17, OV195EA, OV350EA, OV490EA, OVRM35, OVRM40, OVRM50, OVRM55, OVRM60, OVRM65, OVRM905, OVXL125 
0.030
 
 
 
 
TVM195, TVM220, TVXL195, TVXL220, VLV40, VLV50, VLV55, VLV60, VLV65
0.030
 
 
 
 
Snow King 2-Stroke
HSK300, HSK600, HSK635, HSK840, HSK845, HSK850
0.030
 
 
HSK860, HSK870
0.030
Snow King 4-Stroke
HSK30, HSK35, HSK40, HSSK40, HSK50, HSSK50, KSK60, LH195SP, LH318SA, OH318SA, HSK60, HMSK70, HSK70, HMSK80, HMSK85, HMSK90, HMSK100, HMSK105, HMSK110
0.030
 
 
 
OHSK70, OHSK130
0.030
 
 
 
 
TH098SA, TH139SA, TH139SP
0.030
 
 
OHSK50, OHSK55, OH195SA, OHSK60, OHSK65, OH195SA, OHSK70, OH195SP, OHS75, OH318SA, OHSK80, OHSK90, OHSK100, OH318SA, OHSK110 (Spec. #223000 and higher), OHSK120 (Spec. #223000 and higher), OHSK130 (Spec. #223000 and higher) 
0.030
 
 
 
 
OHSK110 (Spec. #222999 and lower), OHSK120 (Spec. #222999 and lower), OHSK130 (Spec. #222999 and lower)
0.030
 
 
 
 


Wisconsin-Robin

Model
Plug Gap
Champion
NGK
Mega-Fire
Torch
Bosch
Horizontal Shaft
ECO2R 
0.024
 
 
 
EY18-3W, EY25W, EY27W, EY44W, W1-145, W1-185 
0.024
 
 
 
EY21W
0.024
 
 
 
W1-080, W1-150
0.024
 
 
 


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