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Bosch provides a cross reference chart for the Torch. This chart should give all of the various cross references for the Torch series including the F 7 RTC plugs.
NGK cross reference for this plug is CR8HSA
Champion stock # 71
torch F7RTC or champion RN9YC
I've just replaced my Torch E7RTC spark plug with a NGK BPR7ES. It works perfectly. Fitted to a Generic Ideo 50cc Scooter (2012).
NGK BPR6ES Champion RN9YC Champion Rn11YC4 [hotter plug fights carbon buildup
a ngk cr7hsa spark plug
Possible spark plugs for torch F6TC:Autolite 63Denso IW20Denso VW20Denso W20EX-UNGK BP6ES
Yes
NGK - BP5ES Champion - N11YC Autolite - 64 Bosch - WR8DC Denco - W16EXU Torch _ F5TC
One I know of is NGK CR6HSA
torch GL4RC or Champion J19LM