Lubrification

copy of NGK DPR8EA9, spark plug

Honda 4 RT.

NGK B7ES, spark plug

NGK B7ES. Yamaha: TY 125,  250 Suzuki: RI and Beamish 325

NGK BP7ES, spark plug

NGK BP7ES.

NGK BR7ES, spark plug

NGK B7HS, spark plug

Montesa Cota 25 and 49 Triumph: Cub

NGK B8ES, spark plug

Montesa Cota 123. Yamaha: TY monoshock 250 59N

NGK BR8ES, spark plug

Fantic 300.

NGK BP8ES, spark plug

NGK B8HS, spark plug

Montesa Cota 247. Ducati Mono.

NGK BR8HS, spark plug

NGK DR8ES, spark plug

Honda 125 to 250.

NGK DPR8EA9, spark plug

Honda 4 RT.