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ngk Bm6a its the same plug
You can use the following plugs for a cross reference for a Champion CJ8 Denso - W20M-U NGK - BM7A or BM6A (BM6A is a hotter plug than the BM7A) Bosch - WS9EC Autolite Part # 255
NGK cross reference for this plug is CR8HSA
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.
Champion stock # 71
ngk Bm6a its the same plug
torch F7RTC or champion RN9YC
NGK BPR6ES Champion RN9YC Champion Rn11YC4 [hotter plug fights carbon buildup
I've just replaced my Torch E7RTC spark plug with a NGK BPR7ES. It works perfectly. Fitted to a Generic Ideo 50cc Scooter (2012).
8902 cross reference plug
NGK - BP5ES Champion - N11YC Autolite - 64 Bosch - WR8DC Denco - W16EXU Torch _ F5TC
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