High Quality Motorcycle Spark Plug C7HTC Repalce Spark Plug UR3AC CR7HSA U22FSRU

Takumi Japan is an automotive group consisting two business sections: traditional auto parts section & new energy electric vehicles section.

Takumi Japan auto parts business section is specialized in design, manufacture and marketing of Ignition system parts, Filtration system parts & Hybrid Batteries throughout the world. Taking advantage of the leading technologies, products from Takumi Japan have been obtaining very good reputation and gaining customers' satisfaction.

Takumi Japan has developed a professional team for international markets and been regularly participating at major international exhibitions to help our customers to be famous in local markets.

There are several reasons for carbon sediment in spark plugs:

A. Improper selection of spark plug model;

B. The mixture is too thick or the lubriing oil in the mixture is too much;

C. Frequent engine start or long time start ;

D. Low speed operation of engine for a long time;

E. Too much lubriing oil in the crankcase;

F. Excessive wear and tear of piston ring;

G. The ignition time is too late.