Lister 5/1 Diesel

Spark Plug Application Charts

Motorcycle Chart No 1


Motor Cycles - AJS to Douglas

Manufacturer Model / hp Spark Plug
Manufacturer Model / hp Spark Plug
AJS Side Valve Models 18mm 7 Brough Other Models 14mm L-10S
AJS Side Valve Models 14mm L-10 Brough Side Valve Models 7
AJS OHV Models 18mm 16 B.S.A. All Side Valve Models 18mm 7
AJS 1946 350cc L-10 B.S.A.Bantam 125cc C/Iron Head L-10
AJS 1946 500cc L10S B.S.A. C10 M20 M21 C/Iron heads L-10
AJS 1947-49 Cast Iron Head Models L-10S B.S.A. C10 C10L M20 M21 Ali Heads N-8B
AJS 1950 Onwards Ali Head Models NA-8 B.S.A. Bantam 1954-on D1 125cc D3 150cc L-10S
AJS OHC Model 7R Racing NA-14 B.S.A. C11 C11G C12 B31 C/Iron Heads L-10S
Alcyon Side Valve Models 15-A B.S.A. B33 M33 A7 A10 C/Iron Heads L-10S
Alcyon OHV Models 18mm 17 B.S.A. B32 B34 Gold Flash C/iron Heads L-10S
Alcyon OHV Models 14mm L-10 B.S.A. A7 Star Twin L-10S
Ambassador 197cc Villiers VIE L11S B.S.A. Gold Star B32 and B34 Ali Heads NA-8
Ambassador Envoy Supreme Embassy Popular L-11S B.S.A. Gold Star Racing NA-14
Ambassador Zundapp engined models L-10S B.S.A. Gold Star Scrambler NA-12 or 12
Ariel OHV Models 18mm 16 B.S.A. A7 Shooting Star NA-10
Ariel Side Valve Models 18mm 7 Commander 98cc Villiers L-10S
Ariel Side Valve 14mm 1/2" Reach L-10 Commander 122cc Villiers L-10S
Ariel Square 4 Cast iron + Mk1 Alloy L-10S Cotton Side Valve 7
Ariel Square 4 MkII Alloy NA-8 Cotton OHV 18mm fitting 16
Ariel OHV Models Cast iron 14mm L-10S Cotton OHV 14mm fitting L-10S
Ariel OHV Models Ali Head +600cc VB NA-8 Coventry Eagle OHV 14mm fitting L-10S
Ariel HS Scrambler NA-10 or 12 Coventry Eagle OHV 18mm fitting 16
Benson 125cc 8 Com Coventry Eagle 125cc 18mm fitting 8 Com
Bianchi 125cc and 250cc J-8 Coventry Eagle 125cc 14mm fitting L-10
Bianchi 250cc Sports J-6 Coventry Eagle 147cc 8 Com
Bianchi 500cc 17 Coventry Eagle 197cc L-11S
Blackburne Engines Side Valve Models 7 Csepel 125cc 250cc L-10
Blackburne Engines OHV Models 14mm L-10S Dayton Albatross 225cc L-11S
Blackburne Engines OHV Models 18mm 16 DKW Auto-Union 18mm fitting 17
B.M.W. R17 R57 R63 7 DKW Auto-Union RT125 L-10S
B.M.W. R4 R11 R16 17 DKW Auto-Union RT3 RT100 L-10S
B.M.W. R2 R3 R6 R12 R20 R23 R35 L-10S DKW Auto-Union NZ350 J-6
B.M.W. R36 R37 R61 R71 R75 L10-S D.M.W. 125cc 150cc L-10S
B.M.W. R24 R25 R25/1 R25/2 R25/3 L-11S D.M.W. 197cc 225cc 250cc L-11S
B.M.W. R51 R51/2 R51/3 R66 R67 L-11S D.M.W. Hornet 125cc L-11S
B.M.W. R67/1 R67/1 R68 L-11S Dot 197cc and 225cc L-11S
Bown 122cc Villiers Engine L-10S Dot Scrambler (Tuned) LA-1 4
Britax Hurricane LA-11 Douglas 150cc 8 Com
Brockhouse Indian Brave NA-8 Douglas 250cc 14mm L-10
Brough Superior SS100 from 1934 N-8B Douglas 250cc 18mm 7


Main Plug Menu Chart 2