Denso is one of the most important pioneers in the world in the field of technology to OEM quality candles in so this type of candle on every Lambretta; both original engines for tuned engines.
Technology U-groove: guarantees more economic consumption, efficient combustinoe, reduced emissions and excellent durability
Nickel plating: greater resistance to heat
copper and glass Gasket: favors the dissipation of heat
Wide temperature range: the best thermal cover for any brand, to reduce inventory to a minimum
We recommend mounting the U-W22ESR spark plug if, on your Lambretta, have mounted electronic equipment (electronic speedometer, tachometer electronic or other improvements …)
The “R” letter is going to screen; by mounting this candle will have eliminated partly or totally the disorders that can cause the signal given from the spark plug.