NGK BPR6ES
Champion RN9YC
Champion Rn11YC4 [hotter plug fights carbon buildup
Champion
Champion stock # 71
Bpr6es
Yes
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
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).
The laser 40500 Champion cross reference is for spark plugs. There are many cross reference data bases to show which spark plugs can be interchangeable.
UK spark plug cross reference information can be found on the instructions when purchasing a cross spark plug that works in the UK, or on websites that provide information on cross spark plugs.
Most all brand spark plug brands are on the cross reference including Champion. Some of the brands that cross reference to Champion are Autolite and Denso,
Many spark plugs can be interchangeable if they fit the motor in question. To find out which can cross reference with the Laser 40500, a cross reference catalog should be referenced.
RN9YC or BPR6ES NGK - BPR6ES or DENSO - W16EXR or Champion - RN11YC or Bosch - WR6DC The RN11YC burns hotter and prevents carbon buildup better than the RN9YC.